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  <front>
    <journal-meta>
      <journal-id journal-id-type="nlm-ta">Arq Bras Cardiol</journal-id>
      <journal-id journal-id-type="publisher-id">abc</journal-id>
      <journal-title-group>
        <journal-title>Arquivos Brasileiros de Cardiologia</journal-title>
        <abbrev-journal-title abbrev-type="publisher">Arq. Bras. Cardiol.</abbrev-journal-title>
      </journal-title-group>
      <issn pub-type="ppub">0066-782X</issn>
      <issn pub-type="epub">1678-4170</issn>
      <publisher>
        <publisher-name>Sociedade Brasileira de Cardiologia - SBC</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id specific-use="scielo-v3" pub-id-type="publisher-id">vfNf5nd477wvD8Y394W855r</article-id>
      <article-id specific-use="scielo-v2" pub-id-type="publisher-id">S0066-782X2026000401401</article-id>
      <article-id pub-id-type="other">01401</article-id>
      <article-id pub-id-type="doi">10.36660/abc.20250622</article-id>
      <article-categories>
        <subj-group subj-group-type="heading">
          <subject>Artigo de Revis&#227;o</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title>Revis&#227;o Sistem&#225;tica: Antagonistas dos Receptores de Mineralocorticoides na Insufici&#234;ncia Card&#237;aca com Fra&#231;&#227;o de Eje&#231;&#227;o Preservada e Levemente Reduzida</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0001-6553-8387</contrib-id>
          <name>
            <surname>Sim&#245;es</surname>
            <given-names>Marcus Vinicius</given-names>
          </name>
          <role>Concep&#231;&#227;o e desenho da pesquisa e Reda&#231;&#227;o do manuscrito</role>
          <role>An&#225;lise e interpreta&#231;&#227;o dos dados e Revis&#227;o cr&#237;tica do manuscrito quanto ao conte&#250;do intelectual importante</role>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0002-5774-2780</contrib-id>
          <name>
            <surname>Danzmann</surname>
            <given-names>Luiz Claudio</given-names>
          </name>
          <role>An&#225;lise e interpreta&#231;&#227;o dos dados e Revis&#227;o cr&#237;tica do manuscrito quanto ao conte&#250;do intelectual importante</role>
          <xref ref-type="aff" rid="aff2">
            <sup>2</sup>
          </xref>
          <xref ref-type="aff" rid="aff3">
            <sup>3</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0002-3093-9743</contrib-id>
          <name>
            <surname>Martins</surname>
            <given-names>S&#237;lvia Marinho</given-names>
          </name>
          <role>An&#225;lise e interpreta&#231;&#227;o dos dados e Revis&#227;o cr&#237;tica do manuscrito quanto ao conte&#250;do intelectual importante</role>
          <xref ref-type="aff" rid="aff4">
            <sup>4</sup>
          </xref>
          <xref ref-type="aff" rid="aff5">
            <sup>5</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0003-3739-7702</contrib-id>
          <name>
            <surname>Figueiredo</surname>
            <given-names>Jos&#233; Albuquerque de</given-names>
            <suffix>Neto</suffix>
          </name>
          <role>An&#225;lise e interpreta&#231;&#227;o dos dados e Revis&#227;o cr&#237;tica do manuscrito quanto ao conte&#250;do intelectual importante</role>
          <xref ref-type="aff" rid="aff6">
            <sup>6</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0002-2533-5638</contrib-id>
          <name>
            <surname>Marcondes-Braga</surname>
            <given-names>Fabiana G.</given-names>
          </name>
          <role>An&#225;lise e interpreta&#231;&#227;o dos dados e Revis&#227;o cr&#237;tica do manuscrito quanto ao conte&#250;do intelectual importante</role>
          <xref ref-type="aff" rid="aff7">
            <sup>7</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0003-2501-302X</contrib-id>
          <name>
            <surname>Mourilhe-Rocha</surname>
            <given-names>Ricardo</given-names>
          </name>
          <role>An&#225;lise e interpreta&#231;&#227;o dos dados e Revis&#227;o cr&#237;tica do manuscrito quanto ao conte&#250;do intelectual importante</role>
          <xref ref-type="aff" rid="aff8">
            <sup>8</sup>
          </xref>
          <xref ref-type="aff" rid="aff9">
            <sup>9</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0003-1883-6546</contrib-id>
          <name>
            <surname>Albuquerque</surname>
            <given-names>Denilson Campos de</given-names>
          </name>
          <role>An&#225;lise e interpreta&#231;&#227;o dos dados e Revis&#227;o cr&#237;tica do manuscrito quanto ao conte&#250;do intelectual importante</role>
          <xref ref-type="aff" rid="aff8">
            <sup>8</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0001-9413-3792</contrib-id>
          <name>
            <surname>Oliveira</surname>
            <given-names>Mucio Tavares de</given-names>
            <suffix>Jr</suffix>
          </name>
          <role>An&#225;lise e interpreta&#231;&#227;o dos dados e Revis&#227;o cr&#237;tica do manuscrito quanto ao conte&#250;do intelectual importante</role>
          <xref ref-type="aff" rid="aff7">
            <sup>7</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Moura</surname>
            <given-names>Lidia Ana Zytynski</given-names>
          </name>
          <role>An&#225;lise e interpreta&#231;&#227;o dos dados e Revis&#227;o cr&#237;tica do manuscrito quanto ao conte&#250;do intelectual importante</role>
          <xref ref-type="aff" rid="aff10">
            <sup>10</sup>
          </xref>
        </contrib>
      </contrib-group>
      <aff id="aff1">
        <label>1</label>
        <institution content-type="orgname">Universidade de S&#227;o Paulo</institution>
        <institution content-type="orgdiv1">Faculdade de Medicina de Ribeir&#227;o Preto</institution>
        <addr-line>
          <named-content content-type="city">Ribeir&#227;o Preto</named-content>
          <named-content content-type="state">SP</named-content>
        </addr-line>
        <country country="BR">Brasil</country>
        <institution content-type="original">Universidade de S&#227;o Paulo Faculdade de Medicina de Ribeir&#227;o Preto, Ribeir&#227;o Preto, SP &#8211; Brasil</institution>
      </aff>
      <aff id="aff2">
        <label>2</label>
        <institution content-type="orgname">Universidade Luterana do Brasil</institution>
        <addr-line>
          <named-content content-type="city">Canoas</named-content>
          <named-content content-type="state">RS</named-content>
        </addr-line>
        <country country="BR">Brasil</country>
        <institution content-type="original">Universidade Luterana do Brasil, Canoas, RS &#8211; Brasil</institution>
      </aff>
      <aff id="aff3">
        <label>3</label>
        <institution content-type="orgname">Hospital S&#227;o Lucas da PUCRS</institution>
        <addr-line>
          <named-content content-type="city">Porto Alegre</named-content>
          <named-content content-type="state">RS</named-content>
        </addr-line>
        <country country="BR">Brasil</country>
        <institution content-type="original">Hospital S&#227;o Lucas da PUCRS, Porto Alegre, RS &#8211; Brasil</institution>
      </aff>
      <aff id="aff4">
        <label>4</label>
        <institution content-type="orgname">Pronto Socorro Cardiol&#243;gico de Pernambuco</institution>
        <addr-line>
          <named-content content-type="city">Recife</named-content>
          <named-content content-type="state">PE</named-content>
        </addr-line>
        <country country="BR">Brasil</country>
        <institution content-type="original">Pronto Socorro Cardiol&#243;gico de Pernambuco (PROCAPE), Recife, PE &#8211; Brasil</institution>
      </aff>
      <aff id="aff5">
        <label>5</label>
        <institution content-type="orgname">Real Hospital Portugu&#234;s de Benefic&#234;ncia em Pernambuco</institution>
        <addr-line>
          <named-content content-type="city">Recife</named-content>
          <named-content content-type="state">PE</named-content>
        </addr-line>
        <country country="BR">Brasil</country>
        <institution content-type="original">Real Hospital Portugu&#234;s de Benefic&#234;ncia em Pernambuco &#8211; Realcor, Recife, PE &#8211; Brasil</institution>
      </aff>
      <aff id="aff6">
        <label>6</label>
        <institution content-type="orgname">Universidade Federal do Maranh&#227;o</institution>
        <addr-line>
          <named-content content-type="city">S&#227;o Lu&#237;s</named-content>
          <named-content content-type="state">MA</named-content>
        </addr-line>
        <country country="BR">Brasil</country>
        <institution content-type="original">Universidade Federal do Maranh&#227;o, S&#227;o Lu&#237;s, MA &#8211; Brasil</institution>
      </aff>
      <aff id="aff7">
        <label>7</label>
        <institution content-type="orgdiv2">Instituto do Cora&#231;&#227;o do Hospital das Cl&#237;nicas</institution>
        <institution content-type="orgdiv1">Faculdade de Medicina</institution>
        <institution content-type="orgname">Universidade de S&#227;o Paulo</institution>
        <addr-line>
          <named-content content-type="city">S&#227;o Paulo</named-content>
          <named-content content-type="state">SP</named-content>
        </addr-line>
        <country country="BR">Brasil</country>
        <institution content-type="original">Instituto do Cora&#231;&#227;o do Hospital das Cl&#237;nicas da Faculdade de Medicina da Universidade de S&#227;o Paulo, S&#227;o Paulo, SP &#8211; Brasil</institution>
      </aff>
      <aff id="aff8">
        <label>8</label>
        <institution content-type="orgname">Universidade do Estado do Rio de Janeiro</institution>
        <addr-line>
          <named-content content-type="city">Rio de Janeiro</named-content>
          <named-content content-type="state">RJ</named-content>
        </addr-line>
        <country country="BR">Brasil</country>
        <institution content-type="original">Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ &#8211; Brasil</institution>
      </aff>
      <aff id="aff9">
        <label>9</label>
        <institution content-type="orgname">Hospital Pr&#243;-Card&#237;aco &#8211; Am&#233;ricas Servi&#231;os M&#233;dicos</institution>
        <addr-line>
          <named-content content-type="city">Rio de Janeiro</named-content>
          <named-content content-type="state">RJ</named-content>
        </addr-line>
        <country country="BR">Brasil</country>
        <institution content-type="original">Hospital Pr&#243;-Card&#237;aco &#8211; Am&#233;ricas Servi&#231;os M&#233;dicos, Rio de Janeiro, RJ &#8211; Brasil</institution>
      </aff>
      <aff id="aff10">
        <label>10</label>
        <institution content-type="orgname">Pontif&#237;cia Universidade Cat&#243;lica do Paran&#225;</institution>
        <addr-line>
          <named-content content-type="city">Curitiba</named-content>
          <named-content content-type="state">PR</named-content>
        </addr-line>
        <country country="BR">Brasil</country>
        <institution content-type="original">Pontif&#237;cia Universidade Cat&#243;lica do Paran&#225;, Curitiba, PR &#8211; Brasil</institution>
      </aff>
      <author-notes>
        <corresp id="c01"><label>Correspond&#234;ncia</label>: Marcus Vinicius Sim&#245;es &#8226; Universidade de S&#227;o Paulo Faculdade de Medicina de Ribeir&#227;o Preto &#8211; Av. Bandeirantes, 3900. CEP 14049-900, Ribeir&#227;o Preto, SP &#8211; Brasil E-mail: <email>msimoes@fmrp.usp.br</email> </corresp>
        <fn fn-type="coi-statement">
          <label>Potencial Conflito de Interesse:</label>
          <p>Declaro n&#227;o haver conflito de interesses pertinentes.</p>
        </fn>
        <fn fn-type="edited-by">
          <label>Editor respons&#225;vel pela revis&#227;o:</label>
          <p>Marcio Bittencourt</p>
        </fn>
      </author-notes>
      <pub-date date-type="pub" publication-format="electronic">
        <day>06</day>
        <month>07</month>
        <year>2026</year>
      </pub-date>
      <pub-date date-type="collection" publication-format="electronic">
        <month>04</month>
        <year>2026</year>
      </pub-date>
      <volume>123</volume>
      <issue>4</issue>
      <elocation-id>e20250622</elocation-id>
      <history>
        <date date-type="received">
          <day>10</day>
          <month>09</month>
          <year>2025</year>
        </date>
        <date date-type="rev-recd">
          <day>27</day>
          <month>01</month>
          <year>2026</year>
        </date>
        <date date-type="accepted">
          <day>04</day>
          <month>03</month>
          <year>2026</year>
        </date>
      </history>
      <permissions>
        <license license-type="open-access" xlink:href="https://creativecommons.org/licenses/by/4.0/" xml:lang="pt">
          <license-p>Este &#233; um artigo de acesso aberto distribu&#237;do sob os termos da licen&#231;a de atribui&#231;&#227;o pelo Creative Commons</license-p>
        </license>
      </permissions>
      <abstract>
        <title>Resumo</title>
        <p>A insufici&#234;ncia card&#237;aca com fra&#231;&#227;o de eje&#231;&#227;o preservada (ICFEp) ou levemente reduzida (ICFElr) &#233; uma condi&#231;&#227;o prevalente associada &#224; significativa morbidade e mortalidade em que os benef&#237;cios dos antagonistas dos receptores de mineralocorticoides (ARMs) ainda n&#227;o s&#227;o claros. Nosso objetivo foi desenvolver uma revis&#227;o sistem&#225;tica sobre o uso de ARMs em pacientes com ICFEp ou ICFElr. Foi realizada uma revis&#227;o sistem&#225;tica com metan&#225;lise, utilizando uma estrat&#233;gia de busca ampla nas bases de dados MEDLINE, Embase e Cochrane Central Register of Controlled Trials (CENTRAL). Foram inclu&#237;dos ensaios cl&#237;nicos randomizados que avaliaram o uso de ARMs em pacientes com ICFEp, comparados a grupos controle. A qualidade da evid&#234;ncia e a for&#231;a da recomenda&#231;&#227;o foram avaliadas segundo a metodologia Grading of Recommendations Assessment, Development, and Evaluation (GRADE). Oito estudos foram inclu&#237;dos. N&#227;o foram observadas diferen&#231;as estatisticamente significativas para os desfechos de mortalidade geral e mortalidade cardiovascular em compara&#231;&#227;o ao grupo controle para qualquer dos ARMs. Identificou-se benef&#237;cio na redu&#231;&#227;o do risco de hospitaliza&#231;&#227;o por insufici&#234;ncia card&#237;aca (risco relativo: 0,87; intervalo de confian&#231;a de 95%: 0,79 a 0,96; certeza da evid&#234;ncia moderada) e piora da insufici&#234;ncia card&#237;aca (risco relativo: 0,83; intervalo de confian&#231;a de 95%: 0,77 a 0,89; certeza da evid&#234;ncia alta). Os resultados da metan&#225;lise indicam significativo benef&#237;cio dos ARMs, espironolactona ou finerenona, para redu&#231;&#227;o de hospitaliza&#231;&#245;es e eventos de piora da insufici&#234;ncia card&#237;aca em pacientes com ICFEp ou ICFElr.</p>
      </abstract>
      <abstract abstract-type="graphical">
        <p>
          <fig id="f01">
            <label>Figura Central</label>
            <caption>
              <title>: Revis&#227;o Sistem&#225;tica: Antagonistas dos Receptores de Mineralocorticoides na Insufici&#234;ncia Card&#237;aca com Fra&#231;&#227;o de Eje&#231;&#227;o Preservada e Levemente Reduzida</title>
              <p>FEVE: fra&#231;&#227;o de eje&#231;&#227;o do ventr&#237;culo esquerdo; ICFElr: insufici&#234;ncia card&#237;aca com fra&#231;&#227;o de eje&#231;&#227;o levemente reduzida; ICFEp: insufici&#234;ncia card&#237;aca com fra&#231;&#227;o de eje&#231;&#227;o preservada; TFGe: taxa de filtra&#231;&#227;o glomerular estimada.</p>
            </caption>
            <alternatives>
              <graphic xlink:href="https://minio.scielo.br/documentstore/1678-4170/vfNf5nd477wvD8Y394W855r/25e39dfd675569cfc78623dca15f75ba13dd911a.tif"/>
              <graphic xlink:href="https://minio.scielo.br/documentstore/1678-4170/vfNf5nd477wvD8Y394W855r/9ad38affe9efdd205ebe4686b2315cbba062ebf8.png" specific-use="scielo-web"/>
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            </alternatives>
          </fig>
        </p>
      </abstract>
      <kwd-group xml:lang="pt">
        <title>Palavras-chave:</title>
        <kwd>Antagonistas de Receptores de Mineralocorticoides</kwd>
        <kwd>Insufici&#234;ncia Card&#237;aca Diast&#243;lica</kwd>
        <kwd>Insufici&#234;ncia Card&#237;aca Sist&#243;lica</kwd>
        <kwd>Revis&#227;o Sistem&#225;tica</kwd>
        <kwd>Metan&#225;lise</kwd>
      </kwd-group>
      <counts>
        <fig-count count="28"/>
        <table-count count="4"/>
        <equation-count count="0"/>
        <ref-count count="29"/>
      </counts>
    </article-meta>
  </front>
  <body>
    <sec sec-type="intro">
      <title>Introdu&#231;&#227;o</title>
      <p>Em pacientes com insufici&#234;ncia card&#237;aca com fra&#231;&#227;o de eje&#231;&#227;o reduzida, o uso de antagonistas esteroidais dos receptores mineralocorticoides (ARMs), nominalmente espironolactona e eplerenona, tem demonstra&#231;&#227;o clara da redu&#231;&#227;o do risco de morte e hospitaliza&#231;&#227;o. Evid&#234;ncia desse efeito &#233; derivada de dois estudos cl&#237;nicos fundamentais: o Randomized Aldactone Evaluation Study (RALES)<sup><xref ref-type="bibr" rid="B1">1</xref></sup> e o Eplerenone in Mild Patients Hospitalization and Survival Study in Heart Failure (EMPHASIS-HF).<sup><xref ref-type="bibr" rid="B2">2</xref></sup> Dessa forma, as diretrizes internacionais trazem recomenda&#231;&#245;es fortes e consistentes para o uso desses ARMs em pacientes com insufici&#234;ncia card&#237;aca com fra&#231;&#227;o de eje&#231;&#227;o reduzida.<sup><xref ref-type="bibr" rid="B3">3</xref></sup></p>
      <p>Em contrapartida, a efic&#225;cia desses agentes para tratamento da insufici&#234;ncia card&#237;aca com fra&#231;&#227;o de eje&#231;&#227;o levemente reduzida (ICFElr) ou preservada (ICFEp) ainda &#233; incerta. At&#233; recentemente, um &#250;nico estudo cl&#237;nico randomizado multic&#234;ntrico, o estudo Treatment of Preserved Cardiac Function Heart Failure with an Aldosterone Antagonist (TOPCAT),<sup><xref ref-type="bibr" rid="B4">4</xref></sup> havia testado o efeito da espironolactona em pacientes com fra&#231;&#227;o de eje&#231;&#227;o do ventr&#237;culo esquerdo (FEVE) &gt; 45%. Neste estudo, a espironolactona n&#227;o reduziu significativamente o desfecho prim&#225;rio composto por primeira hospitaliza&#231;&#227;o por insufici&#234;ncia card&#237;aca, parada card&#237;aca ressuscitada ou morte cardiovascular. Contudo, a an&#225;lise dos componentes do desfecho prim&#225;rio mostrou redu&#231;&#227;o nas hospitaliza&#231;&#245;es por insufici&#234;ncia card&#237;aca, indicando potencial efeito significativo da espironolactona.<sup><xref ref-type="bibr" rid="B4">4</xref></sup> Adicionalmente, an&#225;lises posteriores levantaram aspectos que poderiam justificar um resultado neutro deste estudo, observando-se que uma parcela consider&#225;vel dos pacientes inclu&#237;dos nesse estudo nos centros da R&#250;ssia e Ge&#243;rgia talvez n&#227;o tivesse insufici&#234;ncia card&#237;aca, j&#225; que a taxa de eventos observados foi bem menores que o observado nos pacientes inclu&#237;dos nos 4 pa&#237;ses das Am&#233;ricas (Estados Unidos, Canad&#225;, Brasil e Argentina).<sup><xref ref-type="bibr" rid="B5">5</xref></sup> Outra an&#225;lise post hoc indicou que muitos pacientes n&#227;o devem ter tomado a medica&#231;&#227;o atribu&#237;da, tendo-se em muitos pacientes randomizados para espironolactona n&#227;o se detectado metab&#243;lito da droga na urina, indicando um poss&#237;vel benef&#237;cio naqueles que efetivamente a utilizaram.<sup><xref ref-type="bibr" rid="B6">6</xref></sup> Como consequ&#234;ncias desses aspectos controversos, as recomenda&#231;&#245;es para uso de ARMs na ICFElr e ICFEp s&#227;o fracas ou inexistentes.<sup><xref ref-type="bibr" rid="B7">7</xref></sup></p>
      <p>Recentemente, o estudo Finerenone Trial to Investigate Efficacy and Safety Superior to Placebo in Patients With Heart Failure (FINEARTS-HF) avaliou a efic&#225;cia da finerenona, um ARM n&#227;o esteroidal, em pacientes com FEVE &gt; 40%, mostrando redu&#231;&#227;o significativa do risco do desfecho prim&#225;rio composto por eventos totais de piora da insufici&#234;ncia card&#237;aca e morte cardiovascular em pacientes com ICFEp e ICFElr.<sup><xref ref-type="bibr" rid="B8">8</xref></sup></p>
      <p>Portanto, diante da crescente evid&#234;ncia sugerindo potenciais benef&#237;cios dos ARMs em pacientes com insufici&#234;ncia card&#237;aca de fra&#231;&#227;o de eje&#231;&#227;o n&#227;o reduzida, foi realizada uma revis&#227;o sistem&#225;tica com o objetivo de identificar, avaliar e sumarizar as evid&#234;ncias cient&#237;ficas dispon&#237;veis quanto &#224; efic&#225;cia e seguran&#231;a desses f&#225;rmacos em pacientes com ICFEp e ICFElr.</p>
    </sec>
    <sec sec-type="methods">
      <title>M&#233;todos</title>
      <p>Para a elabora&#231;&#227;o desta revis&#227;o sistem&#225;tica da Sociedade Brasileira de Cardiologia (SBC), foi realizada uma revis&#227;o sistem&#225;tica r&#225;pida, seguindo os crit&#233;rios da Cochrane.<sup><xref ref-type="bibr" rid="B9">9</xref></sup> O protocolo da revis&#227;o foi registrado na plataforma Open Science Framework, sob o n&#250;mero 10.17605/OSF.IO/MVB75. O relato do estudo esteve de acordo com as diretrizes do Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA).<sup><xref ref-type="bibr" rid="B10">10</xref></sup></p>
      <p>A quest&#227;o de pesquisa, estruturada no formato PICO, buscou avaliar a efic&#225;cia e seguran&#231;a do uso de ARMs em pacientes com ICFEp e ICFElr quando comparado ao tratamento usual ou terapia otimizada.</p>
      <p>Os crit&#233;rios de inclus&#227;o foram: (1) ensaios cl&#237;nicos randomizados (ECRs); (2) pacientes diagnosticados com ICFEp (FEVE &#8805; 40%); (3) pacientes sintom&#225;ticos classificados na classe funcional II, III ou IV da New York Heart Association; (4) estudos que avaliem o uso de ARMs como interven&#231;&#227;o e incluam grupo controle utilizando placebo ou tratamento padr&#227;o para ICFEp.</p>
      <p>Os crit&#233;rios de exclus&#227;o aplicados foram: (1) pacientes com taxa de filtra&#231;&#227;o glomerular estimada &lt; 25 mL/min/1,73 m<sup>2</sup>; (2) pacientes com n&#237;veis s&#233;ricos de pot&#225;ssio &gt; 5,0 mmol/L; (3) estudos que n&#227;o apresentem um grupo comparador adequado (placebo ou tratamento padr&#227;o); (4) revis&#245;es narrativas, relatos de caso, editoriais e estudos pr&#233;-cl&#237;nicos (em animais ou in vitro).</p>
      <p>Os desfechos prim&#225;rios de efic&#225;cia inclu&#237;ram mortalidade geral, mortalidade cardiovascular, hospitaliza&#231;&#227;o por insufici&#234;ncia card&#237;aca, piora da insufici&#234;ncia card&#237;aca e qualidade de vida. Os desfechos de seguran&#231;a analisados foram hipercalemia e deteriora&#231;&#227;o da fun&#231;&#227;o renal.</p>
      <p>Inicialmente, foi realizada uma busca por revis&#245;es sistem&#225;ticas sobre o tema em 3 bases de dados: Embase, MEDLINE (via PubMed) e Cochrane Library na data de 26 de fevereiro de 2025. Detalhes sobre a metodologia e as estrat&#233;gias de busca est&#227;o dispon&#237;veis no material suplementar (<xref ref-type="sec" rid="suppl01">Quadro 1S</xref>). Contudo, devido &#224; aus&#234;ncia de revis&#245;es sistem&#225;ticas de alta qualidade metodol&#243;gica para embasar as recomenda&#231;&#245;es, uma nova busca por ECRs foi realizada nas mesmas bases de dados, incluindo tamb&#233;m uma busca manual complementar, baseada nas revis&#245;es sistem&#225;ticas selecionadas na primeira etapa. O material suplementar (<xref ref-type="sec" rid="suppl01">Quadro 2S e a Figura S1</xref>) apresentam detalhes sobre a busca por revis&#245;es sistem&#225;ticas.</p>
      <p>A busca por ECR foi restrita a estudos publicados em ingl&#234;s e portugu&#234;s. Detalhes sobre a estrat&#233;gia de busca est&#227;o descritos no material suplementar (<xref ref-type="sec" rid="suppl01">Quadro 3S</xref>). A sele&#231;&#227;o dos estudos foi realizada utilizando o gerenciador de refer&#234;ncias Rayyan<sup><xref ref-type="bibr" rid="B11">11</xref></sup> e avaliada por um &#250;nico autor. A triagem dos textos completos tamb&#233;m foi realizada pelo mesmo revisor. A extra&#231;&#227;o de dados foi conduzida por um revisor utilizando um formul&#225;rio previamente testado e validada por um segundo revisor.</p>
      <sec>
        <title>An&#225;lise estat&#237;stica</title>
        <p>Os dados foram sintetizados de forma narrativa; quando poss&#237;vel, foi conduzida uma metan&#225;lise para cada desfecho de interesse, sumarizando os resultados obtidos nos ECRs.</p>
        <p>As metan&#225;lises foram realizadas utilizando um modelo de efeitos rand&#244;micos, com dados dos ensaios cl&#237;nicos inclu&#237;dos. Para desfechos dicot&#244;micos, foi utilizado o risco relativo (RR) como medida de estimativa do tamanho do efeito. Para desfechos cont&#237;nuos, foram utilizadas a diferen&#231;a de m&#233;dias (DM). Um intervalo de confian&#231;a de 95% foi considerado. A heterogeneidade foi avaliada pelo valor de I<sup>2</sup>, considerando valores acima de 50% indicativos de heterogeneidade significativa. Metan&#225;lises foram conduzidas no software estat&#237;stico R, vers&#227;o 4.4.3, utilizando o pacote meta, vers&#227;o 8.0-2.<sup><xref ref-type="bibr" rid="B12">12</xref></sup></p>
        <p>Foram planejadas an&#225;lises de subgrupos para os desfechos prim&#225;rios, desde que houvesse disponibilidade de dados nos estudos inclu&#237;dos. Tamb&#233;m estavam previstas an&#225;lises de sensibilidade para os desfechos prim&#225;rios, a serem realizadas caso houvesse um n&#250;mero suficiente de estudos metodologicamente homog&#234;neos, com exclus&#227;o daqueles que apresentassem ao menos um dom&#237;nio avaliado como de alto risco ou risco incerto de vi&#233;s. No entanto, tais an&#225;lises n&#227;o foram necess&#225;rias, uma vez que os estudos inclu&#237;dos apresentaram baixa heterogeneidade metodol&#243;gica e de resultados. A avalia&#231;&#227;o do vi&#233;s de publica&#231;&#227;o teria sido realizada por meio da inspe&#231;&#227;o visual dos gr&#225;ficos em funil, caso pelo menos 10 estudos fossem agrupados em uma metan&#225;lise.</p>
      </sec>
      <sec>
        <title>Avalia&#231;&#227;o do risco de vi&#233;s e certeza da evid&#234;ncia</title>
        <p>As potenciais revis&#245;es sistem&#225;ticas foram avaliadas quanto a sua qualidade metodol&#243;gica atrav&#233;s da ferramenta AMSTAR-2.<sup><xref ref-type="bibr" rid="B13">13</xref></sup> O risco de vi&#233;s dos ECRs individuais foi avaliado de acordo com a ferramenta Risk of Bias 2.0 (RoB 2.0) da Colabora&#231;&#227;o Cochrane.<sup><xref ref-type="bibr" rid="B14">14</xref></sup> A certeza geral da evid&#234;ncia e a for&#231;a da recomenda&#231;&#227;o foram analisadas conforme a abordagem desenvolvida pelo Grading of Recommendations Assessment, Development, and Evaluation (GRADE) Working Group.<sup><xref ref-type="bibr" rid="B15">15</xref></sup></p>
      </sec>
    </sec>
    <sec sec-type="results">
      <title>Resultados</title>
      <p>Os resultados da metan&#225;lise mostram que n&#227;o houve diferen&#231;a estatisticamente significativa nos desfechos de mortalidade geral e cardiovascular, com moderada certeza da evid&#234;ncia. Para qualidade de vida, a certeza da evid&#234;ncia foi baixa, tamb&#233;m sem diferen&#231;a significativa. Por outro lado, houve um aumento importante na incid&#234;ncia de hipercalemia, com alta certeza da evid&#234;ncia. Ainda assim, ao considerar o conjunto das evid&#234;ncias, o painel atribuiu maior peso aos benef&#237;cios observados nos desfechos cl&#237;nicos considerados mais relevantes para os pacientes &#8212; como a redu&#231;&#227;o de hospitaliza&#231;&#245;es por insufici&#234;ncia card&#237;aca e da piora cl&#237;nica da condi&#231;&#227;o &#8212;, avaliando que esses benef&#237;cios superam o risco identificado de hipercalemia. Destaca-se, contudo, que os valores e prefer&#234;ncias dos pacientes devem ser incorporados ao processo de tomada de decis&#227;o.</p>
      <sec>
        <title>Sum&#225;rio das evid&#234;ncias</title>
        <p>Inicialmente, foi realizada uma busca por revis&#245;es sistem&#225;ticas, que resultou na identifica&#231;&#227;o de 168 refer&#234;ncias nas bases de dados. Ap&#243;s a remo&#231;&#227;o de 5 registros duplicados, 163 refer&#234;ncias foram analisadas por t&#237;tulo e resumo, das quais 13 foram selecionadas para leitura completa. Ao final dessa etapa, 2 refer&#234;ncias foram inclu&#237;das<sup><xref ref-type="bibr" rid="B16">16</xref>,<xref ref-type="bibr" rid="B17">17</xref></sup> (<xref ref-type="sec" rid="suppl01">Figura 1S</xref>).</p>
        <p>A avalia&#231;&#227;o do risco de vi&#233;s dessas duas revis&#245;es sistem&#225;ticas, utilizando a ferramenta AMSTAR-2, revelou limita&#231;&#245;es metodol&#243;gicas significativas em ambos os estudos (<xref ref-type="sec" rid="suppl01">Tabela 1S</xref>). Diante disso, optou-se por conduzir uma nova busca por ECRs que avaliassem a efic&#225;cia e seguran&#231;a dos ARMs em pacientes com ICFEp.</p>
        <p>Na busca por ECRs, foram identificados 522 registros. Ap&#243;s a exclus&#227;o de 22 registros duplicados e 475 estudos com base em t&#237;tulo e resumo, 27 refer&#234;ncias foram selecionadas para leitura completa. Por fim, 8 estudos reportados em 11 publica&#231;&#245;es foram inclu&#237;dos na revis&#227;o sistem&#225;tica e metan&#225;lise (<xref ref-type="sec" rid="suppl01">Figura 2S</xref>). As listas dos estudos exclu&#237;dos e suas respectivas justificativas encontram-se detalhadas no material suplementar (<xref ref-type="sec" rid="suppl01">Quadro 3S</xref>).</p>
        <p>Dos 8 ECRs inclu&#237;dos, 5 compararam espironolactona versus placebo, enquanto 2 avaliaram eplerenona versus placebo e 1 finerenona versus placebo.<sup><xref ref-type="bibr" rid="B4">4</xref>,<xref ref-type="bibr" rid="B5">5</xref>,<xref ref-type="bibr" rid="B8">8</xref>,<xref ref-type="bibr" rid="B18">18</xref>-<xref ref-type="bibr" rid="B26">26</xref></sup> O tempo de seguimento dos estudos variou de 6 a 60 meses.</p>
        <p>As caracter&#237;sticas dos estudos inclu&#237;dos e cujos resultados foram localizados est&#227;o apresentadas na <xref ref-type="table" rid="t1">Tabela 1</xref>.</p>
        <p>
          <table-wrap id="t1">
            <label>Tabela 1</label>
            <caption>
              <title>&#8211; Caracter&#237;sticas dos ensaios cl&#237;nicos randomizados inclu&#237;dos (n = 8 ensaios, 11 refer&#234;ncias)</title>
            </caption>
            <table frame="hsides" rules="groups">
              <colgroup width="11%">
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
              </colgroup>
              <thead>
                <tr>
                  <th align="left">Estudo (autor, ano)</th>
                  <th>Mak, 2009<sup>22</sup></th>
                  <th style="font-weight:normal">RAAM-PEF (Deswal, 2011)<sup>24</sup></th>
                  <th style="font-weight:normal">Aldo-DHF (Edelmann, 2013)<sup>18</sup></th>
                  <th>Kurrelmeyer, 2014<sup>20</sup></th>
                  <th style="font-weight:normal">TOPCAT (Pitt, 2014, Pfeffer, 2015 e Lewis, 2016)<sup>4,5,21</sup></th>
                  <th>STRUCTURE trial (Kosmala, 2016)<sup>19</sup></th>
                  <th>Upadhya, 2017<sup>23</sup></th>
                  <th style="font-weight:normal">FINEARTS-HF (Solomon, 2024 e Cunningham, 2025)<sup>8,25</sup></th>
                </tr>
              </thead>
              <tbody>
                <tr>
                  <td>
                    <bold>Delineamento do estudo e registro do protocolo</bold>
                  </td>
                  <td align="center">ECR paralelo, aberto NCT00505336</td>
                  <td align="center">ECR paralelo, duplo-cego, fase IV NCT00108251</td>
                  <td align="center">ECR paralelo, duplo-cego, fase IIb ISRCTN94726526</td>
                  <td align="center">ECR paralelo, duplo-cego, fase IV NCT00206232</td>
                  <td align="center">ECR paralelo, duplo-cego, fase III NCT00094302</td>
                  <td align="center">ECR paralelo, duplo-cego, fase IV ACTRN12614000088640</td>
                  <td align="center">ECR paralelo, duplo-cego, fase III NCT00123955</td>
                  <td align="center">ECR paralelo, duplo-cego, fase III NCT04435626</td>
                </tr>
                <tr>
                  <td>
                    <bold>Local e per&#237;odo</bold>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Irlanda</p>
                      </list-item>
                      <list-item>
                        <p>In&#237;cio em abril de 2006</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Estados Unidos</p>
                      </list-item>
                      <list-item>
                        <p>In&#237;cio em agosto de 2006</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Alemanha e &#193;ustria (10 locais)</p>
                      </list-item>
                      <list-item>
                        <p>In&#237;cio em mar&#231;o 2007</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Estados Unidos</p>
                      </list-item>
                      <list-item>
                        <p>In&#237;cio em julho de 2004</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Estados Unidos, Canad&#225;, Brasil, Argentina, R&#250;ssia e Ge&#243;rgia</p>
                      </list-item>
                      <list-item>
                        <p>In&#237;cio em agosto de 2006</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Pol&#244;nia</p>
                      </list-item>
                      <list-item>
                        <p>In&#237;cio em novembro de 2011</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Estados Unidos</p>
                      </list-item>
                      <list-item>
                        <p>In&#237;cio em abril de 2005</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Estados Unidos, Argentina, Austr&#225;lia, &#193;ustria, Brasil, Bulg&#225;ria, Canad&#225;, China, Col&#244;mbia, Rep&#250;blica Tcheca, Dinamarca, Finl&#226;ndia, Alemanha, Gr&#233;cia, Hong Kong, Hungria, &#205;ndia, Israel, It&#225;lia, Jap&#227;o, Cor&#233;ia, Let&#244;nia, Litu&#226;nia, Mal&#225;sia, M&#233;xico, Holanda, Nova Zel&#226;ndia, Pol&#244;nia, Portugal, Rom&#234;nia, R&#250;ssia, Eslov&#225;quia, Espanha, Taiwan, Turquia, Ucr&#226;nia, Reino Unido</p>
                      </list-item>
                      <list-item>
                        <p>In&#237;cio em setembro de 2020</p>
                      </list-item>
                    </list>
                  </td>
                </tr>
                <tr>
                  <td>
                    <bold>Participantes</bold>
                  </td>
                  <td align="center">Indiv&#237;duos de ambos os sexos com insufici&#234;ncia card&#237;aca; fra&#231;&#227;o de eje&#231;&#227;o &#8805; 45% (n = 44) Idade (m&#233;dia): 80 &#177; 7,8 anos Comorbidades: hipertens&#227;o (91%); diabetes mellitus (28%); hiperlipidemia (29%)</td>
                  <td align="center">Indiv&#237;duos de ambos os sexos com insufici&#234;ncia card&#237;aca; fra&#231;&#227;o de eje&#231;&#227;o &#8805; 50% (n = 46) Idade (m&#233;dia): 70 &#177; 9 anos Comorbidades: hipertens&#227;o (100%); diabetes mellitus (61%); DAC (57%); fibrila&#231;&#227;o atrial (13,7%)</td>
                  <td align="center">Indiv&#237;duos de ambos os sexos com insufici&#234;ncia card&#237;aca; fra&#231;&#227;o de eje&#231;&#227;o &#8805; 50% (n = 422) Idade (m&#233;dia): 67 &#177; 8 anos Comorbidades: hipertens&#227;o (92%); hiperlipidemia (65%); DAC (40%); diabetes mellitus (17%); fibrila&#231;&#227;o atrial (5%); DPOC (3%)</td>
                  <td align="center">Indiv&#237;duos de ambos os sexos com insufici&#234;ncia card&#237;aca; fra&#231;&#227;o de eje&#231;&#227;o &#8805; 50% (n = 48) Idade (m&#233;dia): 71 &#177; 5 anos Comorbidades: hipertens&#227;o (83%); diabetes mellitus (38%); DAC (35%); fibrila&#231;&#227;o atrial (25%)</td>
                  <td align="center">Indiv&#237;duos de ambos os sexos com insufici&#234;ncia card&#237;aca; fra&#231;&#227;o de eje&#231;&#227;o &#8805; 45% (n = 3.445) Idade (mediana): 68,7 anos Comorbidades: hipertens&#227;o (91,5%); dislipidemia (60,2%); DAC (58,8%); doen&#231;a renal cr&#244;nica (38,7%); diabetes mellitus (32,5%); fibrila&#231;&#227;o atrial (35,3%); infarto do mioc&#225;rdio (26%); DPOC (11,7%); acidente vascular cerebral (7,7%)</td>
                  <td align="center">Indiv&#237;duos de ambos os sexos com insufici&#234;ncia card&#237;aca; fra&#231;&#227;o de eje&#231;&#227;o &#8805; 50% (n = 150) Idade (m&#233;dia): 67 &#177; 8 anos Comorbidades: hipertens&#227;o (91,5%); diabetes mellitus (39,5%)</td>
                  <td align="center">Indiv&#237;duos de ambos os sexos com insufici&#234;ncia card&#237;aca; fra&#231;&#227;o de eje&#231;&#227;o &#8805; 50% (n = 80) Idade (m&#233;dia): 71 &#177; 1 anos Comorbidades: hipertens&#227;o (87,5%); diabetes mellitus (23%); edema pulmonar (19%)</td>
                  <td align="center">Indiv&#237;duos de ambos os sexos com insufici&#234;ncia card&#237;aca; fra&#231;&#227;o de eje&#231;&#227;o &#8805; 40% (n = 7.463) Idade (m&#233;dia): 72 &#177; 9,7 anos Comorbidades: hipertens&#227;o (88,8%); diabetes mellitus (40,7%); fibrila&#231;&#227;o atrial (38,2%)</td>
                </tr>
                <tr>
                  <td>
                    <bold>Interven&#231;&#227;o</bold>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Eplerenona 25 mg por dia por 6 meses, aumentada para 50 mg por dia de 6 a 12 meses (n = 24)</p>
                      </list-item>
                      <list-item>
                        <p>12 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Eplerenona 25 mg por dia por 2 semanas, aumentada para 50 mg por 22 semanas (n = 23)</p>
                      </list-item>
                      <list-item>
                        <p>6 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Espironolactona 25 mg por dia (n = 213)</p>
                      </list-item>
                      <list-item>
                        <p>12 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Espironolactona 25 mg por dia (n = 24)</p>
                      </list-item>
                      <list-item>
                        <p>6 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Espironolactona 15 mg 1 vez ao dia, que foi aumentado para um m&#225;ximo de 45 mg ao dia durante os primeiros 4 meses (n = 1.722)</p>
                      </list-item>
                      <list-item>
                        <p>39,6 meses e 60 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Espironolactona 25 mg por dia (n = 75)</p>
                      </list-item>
                      <list-item>
                        <p>6 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Espironolactona 25 mg por dia (n = 42)</p>
                      </list-item>
                      <list-item>
                        <p>9 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Finerenona na dose m&#225;xima de 20 mg ou 40 mg 1 vez ao dia (n = 3.003)</p>
                      </list-item>
                      <list-item>
                        <p>32 meses</p>
                      </list-item>
                    </list>
                  </td>
                </tr>
                <tr>
                  <td>
                    <bold>Comparador</bold>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Controle sem tratamento adicional (n = 20)</p>
                      </list-item>
                      <list-item>
                        <p>12 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Placebo (n = 23)</p>
                      </list-item>
                      <list-item>
                        <p>6 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Placebo (n = 209)</p>
                      </list-item>
                      <list-item>
                        <p>12 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Placebo (n = 24)</p>
                      </list-item>
                      <list-item>
                        <p>6 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Placebo (n = 1.723)</p>
                      </list-item>
                      <list-item>
                        <p>39,6 meses e 60 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Placebo (n = 75)</p>
                      </list-item>
                      <list-item>
                        <p>6 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Placebo (n = 38)</p>
                      </list-item>
                      <list-item>
                        <p>9 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Placebo (n = 2.998)</p>
                      </list-item>
                      <list-item>
                        <p>32 meses</p>
                      </list-item>
                    </list>
                  </td>
                </tr>
                <tr>
                  <td>
                    <bold>Desfechos e time points de avalia&#231;&#227;o</bold>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Qualidade de vida, biomarcadores, fun&#231;&#227;o diast&#243;lica</p>
                      </list-item>
                      <list-item>
                        <p>12 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Capacidade funcional, qualidade de vida, biomarcadores, fun&#231;&#227;o diast&#243;lica, classe funcional</p>
                      </list-item>
                      <list-item>
                        <p>6,4 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Capacidade funcional, fun&#231;&#227;o diast&#243;lica, mortalidade geral, hospitaliza&#231;&#227;o, qualidade de vida, ansiedade, depress&#227;o, eventos adversos</p>
                      </list-item>
                      <list-item>
                        <p>12 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Capacidade funcional, fun&#231;&#227;o diast&#243;lica, biomarcadores, mortalidade geral, hospitaliza&#231;&#227;o por insufici&#234;ncia card&#237;aca, hipercalemia e qualidade de vida</p>
                      </list-item>
                      <list-item>
                        <p>6 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Mortalidade geral, mortalidade cardiovascular, hospitaliza&#231;&#227;o, eventos adversos, hipercalemia e piora da fun&#231;&#227;o renal 39,6 meses Qualidade de vida</p>
                      </list-item>
                      <list-item>
                        <p>60 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Capacidade funcional, fun&#231;&#227;o diast&#243;lica, mortalidade geral, hospitaliza&#231;&#227;o, biomarcadores, eventos adversos</p>
                      </list-item>
                      <list-item>
                        <p>6 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Capacidade funcional, fun&#231;&#227;o diast&#243;lica, mortalidade, hospitaliza&#231;&#227;o, eventos adversos, ader&#234;ncia, qualidade de vida</p>
                      </list-item>
                      <list-item>
                        <p>9 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>Mortalidade, hospitaliza&#231;&#227;o, piora da insufici&#234;ncia card&#237;aca, qualidade de vida, eventos adversos, classe funcional</p>
                      </list-item>
                      <list-item>
                        <p>32 meses</p>
                      </list-item>
                    </list>
                  </td>
                </tr>
                <tr>
                  <td>
                    <bold>Fontes de financiamento</bold>
                  </td>
                  <td align="center">St Vincent&#8217;s University Hospital, Ireland</td>
                  <td align="center">Pfizer Pharmaceuticals</td>
                  <td align="center">German-Austrian Heart Failure Study Group e German Competence Network of Heart Failure</td>
                  <td align="center">Women&#8217;s Fund; Houston, Texas</td>
                  <td align="center">National Heart, Lung, and Blood Institute, National Institutes of Health (HHSN268200425207C)</td>
                  <td align="center">Wroclaw Medical University (ST-678) e Royal Hobart Hospital Foundation (13-024)</td>
                  <td align="center">National Institutes of Health (NIH, R01AG18915); Claude D. Pepper Older Americans Independence Center of Wake Forest University (P30AG21332); the Clinical and Translational Science Institute of Wake Forest School of Medicine (NIH UL1TR001420); e o Kermit G. Phillips Chair in Cardiovascular Medicine of Wake Forest School of Medicine</td>
                  <td align="center">Bayer</td>
                </tr>
              </tbody>
            </table>
            <table-wrap-foot>
              <fn id="TFN1">
                <p>DAC: doen&#231;a arterial coron&#225;ria; DPOC: doen&#231;a pulmonar obstrutiva cr&#244;nica; ECR: ensaio cl&#237;nico randomizado.</p>
              </fn>
            </table-wrap-foot>
          </table-wrap>
        </p>
      </sec>
      <sec>
        <title>Mortalidade geral</title>
        <p>O uso de ARMs n&#227;o resultou em diferen&#231;a significativa no desfecho de mortalidade geral quando comparado ao grupo controle (RR: 0,93; intervalo de confian&#231;a de 95%: 0,85 a 1,02; n = 10.215; 8 ECRs; I<sup>2</sup> = 0%; certeza de evid&#234;ncia moderada; <xref ref-type="fig" rid="f02">Figura 1</xref> e <xref ref-type="sec" rid="suppl01">Tabela 2S</xref>). A certeza da evid&#234;ncia foi considerada moderada devido &#224; imprecis&#227;o dos dados, com intervalo de confian&#231;a incluindo tanto uma redu&#231;&#227;o de at&#233; 15% quanto um aumento de 2% no risco de mortalidade geral.</p>
        <p>
          <fig id="f02">
            <label>Figura 1</label>
            <caption>
              <title>&#8211; Efeito do uso de antagonistas dos receptores de mineralocorticoides versus controle para o desfecho mortalidade geral. ARMs: antagonistas dos receptores de mineralocorticoides; IC: intervalo de confian&#231;a; RR: risco relativo. Fonte: elabora&#231;&#227;o pr&#243;pria.</title>
            </caption>
            <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf01.tif"/></fig>
        </p>
        <p>Foi realizada uma suban&#225;lise substituindo o estudo TOPCAT (2014) pelos dados da subpopula&#231;&#227;o das Am&#233;ricas, conforme descrito por Pfeffer e colaboradores (TOPCAT 2015),<sup><xref ref-type="bibr" rid="B5">5</xref></sup> devido &#224; significativa heterogeneidade entre as regi&#245;es participantes do estudo original. A decis&#227;o baseou-se na baixa taxa de eventos observada na coorte da R&#250;ssia/Ge&#243;rgia, que compromete a validade externa dos resultados globais. A subpopula&#231;&#227;o das Am&#233;ricas apresentou caracter&#237;sticas cl&#237;nicas e resposta &#224; interven&#231;&#227;o mais compat&#237;veis com os demais estudos inclu&#237;dos na metan&#225;lise. Com essa substitui&#231;&#227;o, o uso de ARMs continuou sem diferen&#231;a significativa no desfecho de mortalidade geral em compara&#231;&#227;o ao grupo controle (RR: 0,91; intervalo de confian&#231;a de 95%: 0,83 a 1,00; n = 8.537; 8 ECRs; I<sup>2</sup> = 0%; <xref ref-type="fig" rid="f03">Figura 2</xref>), mantendo a certeza da evid&#234;ncia como moderada.</p>
        <p>
          <fig id="f03">
            <label>Figura 2</label>
            <caption>
              <title>&#8211; Suban&#225;lise do efeito do uso de antagonistas dos receptores de mineralocorticoides versus controle para o desfecho mortalidade geral. ARMs: antagonistas dos receptores de mineralocorticoides; IC: intervalo de confian&#231;a; RR: risco relativo. Fonte: elabora&#231;&#227;o pr&#243;pria.</title>
            </caption>
            <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf02.tif"/></fig>
        </p>
      </sec>
      <sec>
        <title>Mortalidade cardiovascular</title>
        <p>O uso de ARMs n&#227;o resultou em diferen&#231;a significativa no desfecho mortalidade cardiovascular quando comparado ao grupo controle (RR: 0,92; intervalo de confian&#231;a de 95%: 0,81 a 1,05; n = 9.446; 2 ECRs; I<sup>2</sup> = 0%; certeza de evid&#234;ncia moderada; <xref ref-type="fig" rid="f04">Figura 3</xref> e <xref ref-type="sec" rid="suppl01">Tabela 2S</xref>). A certeza na evid&#234;ncia foi considerada moderada, com intervalo de confian&#231;a amplo, englobando desde uma redu&#231;&#227;o de 19% at&#233; um aumento de 5% no risco, refletindo imprecis&#227;o nos achados.</p>
        <p>
          <fig id="f04">
            <label>Figura 3</label>
            <caption>
              <title>&#8211; Efeito do uso de antagonistas dos receptores de mineralocorticoides versus controle para o desfecho mortalidade cardiovascular. ARMs: antagonistas dos receptores de mineralocorticoides; IC: intervalo de confian&#231;a; RR: risco relativo. Fonte: elabora&#231;&#227;o pr&#243;pria.</title>
            </caption>
            <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf03.tif"/></fig>
        </p>
        <p>Na suban&#225;lise substituindo o estudo TOPCAT (2014) pelos dados da subpopula&#231;&#227;o das Am&#233;ricas, conforme descrito por Pfeffer e colaboradores (TOPCAT 2015),<sup><xref ref-type="bibr" rid="B5">5</xref></sup> o uso de ARMs continuou sem diferen&#231;a significativa no desfecho de mortalidade cardiovascular em compara&#231;&#227;o ao grupo controle (RR: 0,85; intervalo de confian&#231;a de 95%: 0,70 a 1,05; n = 7.768; 2 ECRs; I<sup>2</sup> = 48,1%; <xref ref-type="fig" rid="f05">Figura 4</xref>), mantendo a certeza da evid&#234;ncia como moderada.</p>
        <p>
          <fig id="f05">
            <label>Figura 4</label>
            <caption>
              <title>&#8211; Suban&#225;lise do efeito do uso de antagonistas dos receptores de mineralocorticoides versus controle para o desfecho mortalidade cardiovascular. ARMs: antagonistas dos receptores de mineralocorticoides; IC: intervalo de confian&#231;a; RR: risco relativo. Fonte: elabora&#231;&#227;o pr&#243;pria.</title>
            </caption>
            <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf04.tif"/></fig>
        </p>
      </sec>
      <sec>
        <title>Hospitaliza&#231;&#227;o</title>
        <p>O uso de ARMs resultou em diferen&#231;a no desfecho hospitaliza&#231;&#227;o cardiovascular quando comparado ao grupo controle (RR: 0,87; intervalo de confian&#231;a de 95%: 0,79 a 0,96; n = 10.040; 6 ECRs; I<sup>2</sup> = 18,4%; certeza de evid&#234;ncia moderada; <xref ref-type="fig" rid="f06">Figura 5</xref> e <xref ref-type="sec" rid="suppl01">Tabela 2S</xref>). A certeza na evid&#234;ncia foi considerada moderada, com o intervalo de confian&#231;a de 95% amplo, englobando uma redu&#231;&#227;o de 4% a 21% no risco.</p>
        <p>
          <fig id="f06">
            <label>Figura 5</label>
            <caption>
              <title>&#8211; Efeito do uso de antagonistas dos receptores de mineralocorticoides versus controle para o desfecho hospitaliza&#231;&#227;o por insufici&#234;ncia card&#237;aca. ARMs: antagonistas dos receptores de mineralocorticoides; IC: intervalo de confian&#231;a; RR: risco relativo. Fonte: elabora&#231;&#227;o pr&#243;pria. Os dados do FINEARTS-HF s&#227;o do efeito da finerenona comparado ao placebo em eventos iniciais de piora da insufici&#234;ncia card&#237;aca.21</title>
            </caption>
            <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf05.tif"/></fig>
        </p>
        <p>O estudo STRUCTURE avaliou 64 pacientes no grupo interven&#231;&#227;o e 67 pacientes no grupo controle. Ap&#243;s 6 meses de tratamento, foram registradas 3 hospitaliza&#231;&#245;es por causas card&#237;acas no grupo tratado com ARMs (4,7%) e 4 hospitaliza&#231;&#245;es no grupo controle (6,0%). No entanto, os autores n&#227;o detalharam os crit&#233;rios diagn&#243;sticos ou cl&#237;nicos utilizados para a defini&#231;&#227;o de hospitaliza&#231;&#227;o por causas card&#237;acas e por isso o estudo n&#227;o foi inclu&#237;do nesta metan&#225;lise.</p>
        <p>Na suban&#225;lise substituindo o estudo TOPCAT (2014) pelos dados da subpopula&#231;&#227;o das Am&#233;ricas, conforme descrito por Pfeffer et al. (TOPCAT 2015),<sup><xref ref-type="bibr" rid="B5">5</xref></sup> o uso de ARMs continuou com a mesma diferen&#231;a significativa no desfecho de hospitaliza&#231;&#227;o cardiovascular em compara&#231;&#227;o ao grupo controle (RR: 0,87; intervalo de confian&#231;a de 95%: 0,79 a 0,96; n = 8.362; 6 ECRs; I<sup>2</sup> = 17,4%; <xref ref-type="fig" rid="f07">Figura 6</xref>), mantendo a certeza da evid&#234;ncia como moderada.</p>
        <p>
          <fig id="f07">
            <label>Figura 6</label>
            <caption>
              <title>&#8211; Suban&#225;lise do efeito do uso de antagonistas dos receptores de mineralocorticoides versus controle para o desfecho hospitaliza&#231;&#227;o cardiovascular. ARMs: antagonistas dos receptores de mineralocorticoides; IC: intervalo de confian&#231;a; RR: risco relativo. Fonte: elabora&#231;&#227;o pr&#243;pria. Os dados do FINEARTS-HF s&#227;o do efeito da finerenona comparado ao placebo em eventos iniciais de piora da insufici&#234;ncia card&#237;aca.21</title>
            </caption>
            <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf06.tif"/></fig>
        </p>
      </sec>
      <sec>
        <title>Piora da insufici&#234;ncia card&#237;aca</title>
        <p>O uso de ARMs resultou na redu&#231;&#227;o em 18% do risco de piora da insufici&#234;ncia card&#237;aca quando comparado ao grupo controle (RR: 0,82; intervalo de confian&#231;a de 95%: 0,77 a 0,89; n = 6.467; 3 ECRs; I<sup>2</sup> = 0%; certeza de evid&#234;ncia alta; <xref ref-type="fig" rid="f08">Figura 7</xref> e <xref ref-type="sec" rid="suppl01">Tabela 2S</xref>). Foi realizada uma an&#225;lise de sensibilidade com a exclus&#227;o do estudo Aldo-DHF, devido &#224; popula&#231;&#227;o com insufici&#234;ncia card&#237;aca relativamente est&#225;vel (NT-proBNP n&#227;o elevado). Nessa an&#225;lise, o uso de ARMs manteve a redu&#231;&#227;o significativa do risco (RR: 0,82; intervalo de confian&#231;a de 95%: 0,76 a 0,88; 2 ECRs; n = 6.045), refor&#231;ando a robustez dos achados.</p>
        <p>
          <fig id="f08">
            <label>Figura 7</label>
            <caption>
              <title>&#8211; Efeito do uso de antagonistas dos receptores de mineralocorticoides versus controle para o desfecho piora da insufici&#234;ncia card&#237;aca. ARMs: antagonistas dos receptores de mineralocorticoides; IC: intervalo de confian&#231;a; RR: risco relativo. Fonte: elabora&#231;&#227;o pr&#243;pria.</title>
            </caption>
            <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf07.tif"/></fig>
        </p>
        <p>Os estudos inclu&#237;dos adotaram defini&#231;&#245;es vari&#225;veis para caracterizar a piora da insufici&#234;ncia card&#237;aca. O estudo RAAM-PEF (2011) definiu a piora como hospitaliza&#231;&#227;o por insufici&#234;ncia card&#237;aca ou necessidade de intensifica&#231;&#227;o do tratamento, incluindo administra&#231;&#227;o de diur&#233;ticos intravenosos ou aumento da dose de diur&#233;ticos orais. O estudo Aldo-DHF (2013) considerou como crit&#233;rios de piora a intensifica&#231;&#227;o da dispneia, bem como o agravamento ou surgimento de edema. J&#225; o estudo FINEARTS-HF (2024) definiu a piora da insufici&#234;ncia card&#237;aca como a ocorr&#234;ncia de hospitaliza&#231;&#227;o n&#227;o planejada, seja inicial ou recorrente, ou visita urgente devido &#224; condi&#231;&#227;o.</p>
      </sec>
      <sec>
        <title>Qualidade de vida</title>
        <p>Esse desfecho foi avaliado atrav&#233;s das ferramentas Minnesota Living With Heart Failure Questionnaire (MLHFQ), Kansas City Cardiomyopathy Questionnaire (KCCQ), EQ5D Visual analog scale (VAS) e 36-Item Short Form Health Survey (SF-36).</p>
        <p>Na an&#225;lise dos estudos que utilizaram a ferramenta MLHFQ, o uso de ARMs n&#227;o resultou em diferen&#231;a significativa no desfecho de qualidade de vida em compara&#231;&#227;o ao grupo controle (DM: &#8722;1,17; intervalo de confian&#231;a de 95%: &#8722;3,10 a 0,76; n = 505; 3 ECRs; I<sup>2</sup> = 0%; certeza da evid&#234;ncia moderada; <xref ref-type="fig" rid="f09">Figura 8</xref> e <xref ref-type="sec" rid="suppl01">Tabela 2S</xref>). A certeza da evid&#234;ncia foi considerada moderada devido &#224; imprecis&#227;o dos dados, com intervalo de confian&#231;a que varia desde uma poss&#237;vel melhora discreta (3,1 pontos) at&#233; uma piora m&#237;nima (0,76 pontos). Adicionalmente, o estudo de Upadhya de 2017<sup><xref ref-type="bibr" rid="B23">23</xref></sup> avaliou os dom&#237;nios emocional e f&#237;sico do MLHFQ, e tamb&#233;m n&#227;o foram observadas diferen&#231;as significativas entre o grupo que utilizou espironolactona e o grupo placebo ap&#243;s 6 meses de tratamento.</p>
        <p>
          <fig id="f09">
            <label>Figura 8</label>
            <caption>
              <title>&#8211; Diferen&#231;a de m&#233;dia entre o uso de antagonistas dos receptores de mineralocorticoides versus controle para o desfecho qualidade de vida avaliado pela ferramenta MLHFQ. ARMs: antagonistas dos receptores de mineralocorticoides; DM: diferen&#231;a de m&#233;dias; DP: desvio padr&#227;o; IC: intervalo de confian&#231;a. Fonte: elabora&#231;&#227;o pr&#243;pria.</title>
            </caption>
            <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf08.tif"/></fig>
        </p>
        <p>Entre os estudos que utilizaram a ferramenta KCCQ Overall Summary Score, tamb&#233;m n&#227;o foi observada diferen&#231;a significativa entre os grupos (DM: 3,62; intervalo de confian&#231;a de 95%: &#8722;1,85 a 9,10; n = 7.659; 3 ECRs; I<sup>2</sup> = 92%; certeza da evid&#234;ncia moderada; <xref ref-type="fig" rid="f10">Figura 9</xref> e <xref ref-type="sec" rid="suppl01">Tabela 2S</xref>). A certeza na evid&#234;ncia foi considerada moderada devido &#224; imprecis&#227;o, com intervalo de confian&#231;a amplo, que inclui desde uma piora discreta (&#8722;1,85 pontos) at&#233; uma melhora modesta (9,10 pontos). Resultados semelhantes foram observados no Clinical Summary Score (DM: &#8722;3,33; intervalo de confian&#231;a de 95%: &#8722;9,59 a 2,94; 2 ECRs, n = 92; I<sup>2</sup> = 0%; <xref ref-type="fig" rid="f11">Figura 10</xref> e <xref ref-type="sec" rid="suppl01">Tabela 2S</xref>), por&#233;m com certeza baixa devido ao pequeno tamanho amostral e imprecis&#227;o dos resultados, onde o intervalo sugeriu desde poss&#237;vel piora (&#8722;9,59) at&#233; benef&#237;cio (2,94) (<xref ref-type="sec" rid="suppl01">Tabela 2S</xref>).</p>
        <p>
          <fig id="f10">
            <label>Figura 9</label>
            <caption>
              <title>&#8211; Diferen&#231;a de m&#233;dia entre o uso de antagonistas dos receptores de mineralocorticoides versus controle para o desfecho qualidade de vida avaliado pela ferramenta KCCQ Overall Summary Score. ARMs: antagonistas dos receptores de mineralocorticoides; DM: diferen&#231;a de m&#233;dias; DP: desvio padr&#227;o; IC: intervalo de confian&#231;a. Fonte: elabora&#231;&#227;o pr&#243;pria.</title>
            </caption>
            <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf09.tif"/></fig>
        </p>
        <p>
          <fig id="f11">
            <label>Figura 10</label>
            <caption>
              <title>&#8211; Diferen&#231;a de m&#233;dia entre o uso de antagonistas dos receptores de mineralocorticoides versus controle para o desfecho qualidade de vida avaliado pela ferramenta KCCQ Clinical Summary Score. ARMs: antagonistas dos receptores de mineralocorticoides; DM: diferen&#231;a de m&#233;dias; DP: desvio padr&#227;o; IC: intervalo de confian&#231;a. Fonte: elabora&#231;&#227;o pr&#243;pria.</title>
            </caption>
            <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf10.tif"/></fig>
        </p>
        <p>O estudo TOPCAT de 2016 tamb&#233;m avaliou a qualidade de vida por meio da ferramenta EQ5D VAS. N&#227;o foi observada diferen&#231;a estatisticamente significativa na varia&#231;&#227;o m&#233;dia do escore entre os grupos tratados com espironolactona (varia&#231;&#227;o m&#233;dia: 9,04; erro padr&#227;o: 0,96) e placebo (varia&#231;&#227;o m&#233;dia: 8,67; erro padr&#227;o: 0,86) ao longo de 60 meses de acompanhamento.</p>
        <p>No estudo Aldo-DHF de 2013, o uso de espironolactona n&#227;o resultou em melhora significativa no desfecho de qualidade de vida avaliados pelas escalas SF-36 Physical Functioning (diferen&#231;a ajustada de 1 ponto; intervalo de confian&#231;a de 95%: &#8722;2 a 4; p = 0,62) e SF-36 Global Self-Assessment (diferen&#231;a ajustada de 0,0; intervalo de confian&#231;a de 95%: &#8722;0,1 a 0,1; p = 0,79), quando comparado ao grupo placebo ap&#243;s 12 meses de tratamento.</p>
      </sec>
      <sec>
        <title>Hipercalemia</title>
        <p>Os resultados demonstraram que o uso de ARMs aumentou o risco de hipercalemia em compara&#231;&#227;o ao grupo controle (RR: 2,16; intervalo de confian&#231;a de 95%: 1,89 a 2,47; n = 9.654; 5 ECRs; I<sup>2</sup> = 0%; certeza de evid&#234;ncia alta; <xref ref-type="fig" rid="f12">Figura 11</xref> e <xref ref-type="sec" rid="suppl01">Tabela 2S</xref>). O intervalo de confian&#231;a indicou que o tratamento com ARM aumentou o risco de hipercalemia, com uma varia&#231;&#227;o estimada entre 89% e 147% de aumento.</p>
        <p>
          <fig id="f12">
            <label>Figura 11</label>
            <caption>
              <title>&#8211; Efeito do uso de antagonistas dos receptores de mineralocorticoides versus controle para o desfecho de hipercalemia. ARMs: antagonistas dos receptores de mineralocorticoides; IC: intervalo de confian&#231;a; RR: risco relativo. Fonte: elabora&#231;&#227;o pr&#243;pria.</title>
            </caption>
            <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf11.tif"/></fig>
        </p>
        <p>Na suban&#225;lise substituindo o estudo TOPCAT (2014) pelos dados da subpopula&#231;&#227;o das Am&#233;ricas, conforme descrito por Pfeffer e colaboradores (TOPCAT 2015),<sup><xref ref-type="bibr" rid="B5">5</xref></sup> o uso de ARMs continuou com o aumento de risco de hipercalemia em compara&#231;&#227;o ao grupo controle (RR: 2,54; intervalo de confian&#231;a de 95%: 2,09 a 3,08; n = 7.976; 5 ECRs; I<sup>2</sup> = 0%), mantendo a certeza da evid&#234;ncia como moderada (<xref ref-type="fig" rid="f13">Figura 12</xref>).</p>
        <p>
          <fig id="f13">
            <label>Figura 12</label>
            <caption>
              <title>&#8211; Suban&#225;lise do efeito do uso de antagonistas dos receptores de mineralocorticoides versus controle para o desfecho de hipercalemia. ARMs: antagonistas dos receptores de mineralocorticoides; IC: intervalo de confian&#231;a; RR: risco relativo. Fonte: elabora&#231;&#227;o pr&#243;pria.</title>
            </caption>
            <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf12.tif"/></fig>
        </p>
      </sec>
      <sec>
        <title>Deteriora&#231;&#227;o da fun&#231;&#227;o renal</title>
        <p>A an&#225;lise revelou que o uso de ARMs apresentou tend&#234;ncia &#224; piora da fun&#231;&#227;o renal em compara&#231;&#227;o ao controle (RR: 1,53; intervalo de confian&#231;a de 95%: 0,96 a 2,45; n = 6.554; 3 ECRs; I<sup>2</sup> = 0%; certeza de evid&#234;ncia moderada; <xref ref-type="fig" rid="f14">Figura 13</xref> e <xref ref-type="sec" rid="suppl01">Tabela 2S</xref>). A certeza na evid&#234;ncia foi considerada moderada devido &#224; imprecis&#227;o dos dados visto que, embora o RR sugira um aumento potencial de 53%, o intervalo de confian&#231;a amplo engloba desde uma redu&#231;&#227;o marginal de 4% at&#233; um aumento expressivo de 145%.</p>
        <p>
          <fig id="f14">
            <label>Figura 13</label>
            <caption>
              <title>&#8211; Efeito do uso de antagonistas dos receptores de mineralocorticoides versus controle para o desfecho deteriora&#231;&#227;o da fun&#231;&#227;o renal. ARMs: antagonistas dos receptores de mineralocorticoides; IC: intervalo de confian&#231;a; RR: risco relativo. Fonte: elabora&#231;&#227;o pr&#243;pria.</title>
            </caption>
            <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf13.tif"/></fig>
        </p>
      </sec>
      <sec>
        <title>Risco de vi&#233;s e certeza da evid&#234;ncia</title>
        <p>A avalia&#231;&#227;o do risco de vi&#233;s dos ECRs foi realizada para todos os desfechos considerados. Os estudos Aldo-DHF, TOPCAT (2014) e FINEARTS-HF (2024) n&#227;o apresentaram vi&#233;s em nenhum dos dom&#237;nios avaliados, correspondendo a 34% do total. Das 9 publica&#231;&#245;es inclu&#237;das, 4 (44%) foram classificadas como de alto risco de vi&#233;s, enquanto 2 estudos (22%) apresentaram algumas preocupa&#231;&#245;es quanto ao risco de vi&#233;s em sua avalia&#231;&#227;o global. O material suplementar (<xref ref-type="sec" rid="suppl01">Figura 3S</xref>) apresenta o quadro com os detalhes dos julgamentos realizados para cada dom&#237;nio da ferramenta.</p>
        <p>A certeza no conjunto final das evid&#234;ncias foi avaliada por meio da abordagem GRADE para todos os desfechos da compara&#231;&#227;o, sendo apenas considerado os <italic>time points</italic> mais longos de acompanhamento nos estudos e a amostra geral (<xref ref-type="table" rid="t2">Tabela 2</xref> e <xref ref-type="sec" rid="suppl01">Tabela 2S</xref>).</p>
        <p>
          <table-wrap id="t2">
            <label>Tabela 2</label>
            <caption>
              <title>&#8211; Avalia&#231;&#227;o da certeza no conjunto final das evid&#234;ncias</title>
            </caption>
            <table frame="hsides" rules="groups">
              <colgroup width="14%">
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
              </colgroup>
              <thead>
                <tr>
                  <th align="left" colspan="7" style="font-weight:normal">Popula&#231;&#227;o: Pacientes com insufici&#234;ncia card&#237;aca com fra&#231;&#227;o de eje&#231;&#227;o preservada Interven&#231;&#227;o: ARMs Compara&#231;&#227;o: Controle</th>
                </tr>
                <tr>
                  <th align="left" rowspan="2">Desfechos</th>
                  <th colspan="2">Efeitos absolutos potenciais (IC 95%)</th>
                  <th rowspan="2">Efeito relativo (IC 95%)</th>
                  <th rowspan="2">&#8470; de participantes (estudos)</th>
                  <th rowspan="2">Certeza da evid&#234;ncia (GRADE)</th>
                  <th align="left" rowspan="2">Declara&#231;&#245;es narrativas</th>
                </tr>
                <tr>
                  <th>Risco com controle</th>
                  <th>Risco com ARMs</th>
                </tr>
              </thead>
              <tbody>
                <tr>
                  <td>
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>Mortalidade geral</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>Seguimento: varia&#231;&#227;o</p>
                      </list-item>
                      <list-item>
                        <p>6 meses para 39,6 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">156 por 1.000</td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>145 por 1.000</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(132 a 159)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>RR 0,93</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(0,85 a 1,02)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>10.234</p>
                      </list-item>
                      <list-item>
                        <p>(8 ECRs)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>&#10753;&#10753;&#10753;&#9711;</p>
                      </list-item>
                      <list-item>
                        <p>Moderada<sup>a,b</sup></p>
                      </list-item>
                    </list>
                  </td>
                  <td>ARMs provavelmente n&#227;o resultam em diferen&#231;a de risco na mortalidade geral.</td>
                </tr>
                <tr>
                  <td>
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>Mortalidade cardiovascular</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>Seguimento: varia&#231;&#227;o</p>
                      </list-item>
                      <list-item>
                        <p>32 meses para 39,6 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">85 por 1.000</td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>78 por 1.000</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(69 a 89)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>RR 0,92</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(0,81 a 1,05)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>9.446</p>
                      </list-item>
                      <list-item>
                        <p>(2 ECRs)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>&#10753;&#10753;&#10753;&#9711;</p>
                      </list-item>
                      <list-item>
                        <p>Moderada<sup>b</sup></p>
                      </list-item>
                    </list>
                  </td>
                  <td>ARMs provavelmente n&#227;o resultam em diferen&#231;a de risco na mortalidade cardiovascular.</td>
                </tr>
                <tr>
                  <td>
                    <list list-type="simple">
                      <list-item>
                        <p><bold>Hospitaliza&#231;&#227;o por insufici&#234;ncia</bold> card&#237;aca</p>
                      </list-item>
                      <list-item>
                        <p>Seguimento: varia&#231;&#227;o</p>
                      </list-item>
                      <list-item>
                        <p>6 meses para 39,6 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">156 por 1.000</td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>135 por 1.000</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(123 a 150)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>RR 0,87</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(0,79 a 0,96)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>10.040</p>
                      </list-item>
                      <list-item>
                        <p>(6 ECRs)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>&#10753;&#10753;&#10753;&#10753;</p>
                      </list-item>
                      <list-item>
                        <p>Alta</p>
                      </list-item>
                    </list>
                  </td>
                  <td>ARMs resultam em redu&#231;&#227;o no risco de hospitaliza&#231;&#227;o por insufici&#234;ncia card&#237;aca.</td>
                </tr>
                <tr>
                  <td>
                    <bold>Piora da insufici&#234;ncia card&#237;aca</bold>
                  </td>
                  <td align="center">342 por 1.000</td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>281 por 1.000</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(263 a 304)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>RR 0,82</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(0,77 a 0,89)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>6.467</p>
                      </list-item>
                      <list-item>
                        <p>(3 ECRs)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>&#10753;&#10753;&#10753;&#10753;</p>
                      </list-item>
                      <list-item>
                        <p>Alta</p>
                      </list-item>
                    </list>
                  </td>
                  <td>ARMs reduzem o risco da piora da insufici&#234;ncia card&#237;aca.</td>
                </tr>
                <tr>
                  <td>
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>Qualidade de vida</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(avaliada com MLHFQ)</p>
                      </list-item>
                      <list-item>
                        <p>Seguimento: varia&#231;&#227;o</p>
                      </list-item>
                      <list-item>
                        <p>9 meses para 12 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">A m&#233;dia qualidade de vida foi 0</td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>DM 1,17 menor</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(3,10 menor a 0,76 mais alto)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">-</td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>505</p>
                      </list-item>
                      <list-item>
                        <p>(3 ECRs)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>&#10753;&#10753;&#9711;&#9711;</p>
                      </list-item>
                      <list-item>
                        <p>Baixa<sup>b,c</sup></p>
                      </list-item>
                    </list>
                  </td>
                  <td>ARMs podem n&#227;o resultar em diferen&#231;a na qualidade de vida quando avaliada pelo MLHFQ.</td>
                </tr>
                <tr>
                  <td>
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>Qualidade de vida</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(avaliada com KCCQ Overall Summary Score)</p>
                      </list-item>
                      <list-item>
                        <p>Seguimento: varia&#231;&#227;o</p>
                      </list-item>
                      <list-item>
                        <p>6 meses para 39,6 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">-</td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>DM 3,62 mais alto</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(1,85 menor a 9,10 mais alto)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">-</td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>7.659</p>
                      </list-item>
                      <list-item>
                        <p>(3 ECRs)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>&#10753;&#10753;&#9711;&#9711;</p>
                      </list-item>
                      <list-item>
                        <p>Baixa<sup>b,d</sup></p>
                      </list-item>
                    </list>
                  </td>
                  <td>ARMs podem n&#227;o resultar em diferen&#231;a na qualidade de vida quando avaliada pelo KCCQ.</td>
                </tr>
                <tr>
                  <td>
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>Hipercalemia</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>Seguimento: varia&#231;&#227;o</p>
                      </list-item>
                      <list-item>
                        <p>6 meses para 39,6 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">59 por 1.000</td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>127 por 1.000</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(111 a 128)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>RR 2,16</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(1,89 a 2,47)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>9.654</p>
                      </list-item>
                      <list-item>
                        <p>(5 ECRs)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>&#10753;&#10753;&#10753;&#10753;</p>
                      </list-item>
                      <list-item>
                        <p>Alta</p>
                      </list-item>
                    </list>
                  </td>
                  <td>ARMs aumentam o risco da hipercalemia.</td>
                </tr>
                <tr>
                  <td>
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>Deteriora&#231;&#227;o da fun&#231;&#227;o renal</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>Seguimento: varia&#231;&#227;o</p>
                      </list-item>
                      <list-item>
                        <p>6 meses para 32 meses</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">18 por 1.000</td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>28 por 1.000</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(17 a 44)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>
                          <bold>RR 1,53</bold>
                        </p>
                      </list-item>
                      <list-item>
                        <p>(0,96 a 2,45)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>6.554</p>
                      </list-item>
                      <list-item>
                        <p>(3 ECRs)</p>
                      </list-item>
                    </list>
                  </td>
                  <td align="center">
                    <list list-type="simple">
                      <list-item>
                        <p>&#10753;&#10753;&#10753;&#9711;</p>
                      </list-item>
                      <list-item>
                        <p>Moderada<sup>a,b</sup></p>
                      </list-item>
                    </list>
                  </td>
                  <td>ARMs provavelmente resultam na deteriora&#231;&#227;o da fun&#231;&#227;o renal.</td>
                </tr>
              </tbody>
            </table>
            <table-wrap-foot>
              <fn id="TFN2">
                <p>ARM: antagonista dos receptores de mineralocorticoides; ECR: ensaio cl&#237;nico randomizado; IC: intervalo de confian&#231;a; RR: risco relativo. O MLHFQ (Minnesota Living with Heart Failure Questionnaire) possui pontua&#231;&#227;o variando de 0 a 105, onde quanto maior a pontua&#231;&#227;o, pior a qualidade de vida. O KCCQ (Kansas City Cardiomyopathy Questionnaire) possui pontua&#231;&#227;o variando de 0 a 100 em cada dom&#237;nio, onde quanto maior a pontua&#231;&#227;o, melhor a qualidade de vida. Explica&#231;&#245;es: a. Limita&#231;&#245;es metodol&#243;gicas: Embora alguns estudos tenham apresentado risco de vi&#233;s, os que mais influenciaram a an&#225;lise foram classificados como de baixo risco de vi&#233;s. b. Imprecis&#227;o: Intervalo de confian&#231;a amplo, o que indica uma imprecis&#227;o nos resultados. c. Limita&#231;&#245;es metodol&#243;gicas: De acordo com a ferramenta RoB 2, o estudo Mak (2009)<sup>22</sup> foi classificado com algumas preocupa&#231;&#245;es, com penaliza&#231;&#245;es nos dom&#237;nios processo de randomiza&#231;&#227;o e relato seletivo dos desfechos. J&#225; o estudo Upadhya (2017)23 foi avaliado como tendo algumas preocupa&#231;&#245;es com penaliza&#231;&#245;es nos dom&#237;nios processo de randomiza&#231;&#227;o e desvios nas interven&#231;&#245;es pretendidas. d. Limita&#231;&#245;es metodol&#243;gicas: De acordo com a ferramenta RoB 2, os estudos RAAM-PEF (2011)<sup>24</sup> e TOPCAT (2016)<sup>21</sup> foram classificados como de alto risco de vi&#233;s, com penaliza&#231;&#245;es em diversos dom&#237;nios, comprometendo a confiabilidade da estimativa de efeito. N pequeno. Fonte: elabora&#231;&#227;o pr&#243;pria.</p>
              </fn>
            </table-wrap-foot>
          </table-wrap>
        </p>
      </sec>
    </sec>
    <sec sec-type="discussion">
      <title>Discuss&#227;o</title>
      <p>Esta revis&#227;o sistem&#225;tica avaliou a efic&#225;cia e seguran&#231;a dos ARMs em pacientes com ICFEp e ICFElr, demonstrando benef&#237;cio cl&#237;nico consistente na evolu&#231;&#227;o da doen&#231;a. Embora o impacto sobre a mortalidade tenha sido limitado, observou-se uma redu&#231;&#227;o estatisticamente significativa nas hospitaliza&#231;&#245;es por insufici&#234;ncia card&#237;aca, indicando um efeito relevante sobre a morbidade dos pacientes. Esse benef&#237;cio se apresentou tanto para a espironolactona quanto para a finerenona.</p>
      <p>Vale ressaltar que na publica&#231;&#227;o original dos resultados do estudo TOPCAT, a an&#225;lise do componente do desfecho prim&#225;rio de hospitaliza&#231;&#245;es por insufici&#234;ncia card&#237;aca tamb&#233;m demonstrou benef&#237;cio da espironolactona, com <italic>hazard ratio</italic>: 0,83 (intervalo de confian&#231;a de 95%: 0,69 a 0,99; p = 0,04). Da mesma forma, ainda que o estudo FINEARTS-HF tenha atingido redu&#231;&#227;o estatisticamente significativa na ocorr&#234;ncia do desfecho prim&#225;rio composto por morte cardiovascular ou eventos de piora de insufici&#234;ncia card&#237;aca (primeira ou recorrente hospitaliza&#231;&#227;o n&#227;o planejada por insufici&#234;ncia card&#237;aca ou visita &#224; urg&#234;ncia por insufici&#234;ncia card&#237;aca), apenas o componente do desfecho prim&#225;rio de piora da insufici&#234;ncia card&#237;aca mostrou redu&#231;&#227;o significativa com o uso de finerenona (<italic>hazard ratio</italic>: 0,82; intervalo de confian&#231;a de 95%: 0,71 a 0,94; p = 0,006), com impacto neutro na morte cardiovascular (<italic>hazard ratio</italic>: 0,93; intervalo de confian&#231;a de 95%: 0,78 a 1,11).</p>
      <p>Esses resultados tamb&#233;m s&#227;o semelhantes aos de outros estudos testando tratamentos em pacientes com ICFEp ou ICFElr, mostrando benef&#237;cios na redu&#231;&#227;o de hospitaliza&#231;&#245;es ou eventos de insufici&#234;ncia card&#237;aca, mas sem impacto na mortalidade geral ou mortalidade cardiovascular, como foi observado nos estudos com inibidores de SGLT2.<sup><xref ref-type="bibr" rid="B26">26</xref>,<xref ref-type="bibr" rid="B27">27</xref></sup> V&#225;rias an&#225;lises t&#234;m sugerido que a falta de impacto nos desfechos de mortalidade na ICFEp ou ICFElr se deva &#224;s caracter&#237;sticas particulares dessa popula&#231;&#227;o, como idade avan&#231;ada e m&#250;ltiplas comorbidades, fazendo com que a principal causa de morte seja n&#227;o cardiovascular.<sup><xref ref-type="bibr" rid="B28">28</xref></sup></p>
      <p>Em rela&#231;&#227;o &#224; qualidade de vida, n&#227;o foram identificadas diferen&#231;as estatisticamente significativas entre os grupos nas diversas escalas avaliadas (MLHFQ, KCCQ, EQ5D-VAS e SF-36). Tais resultados podem sugerir que os ARMs t&#234;m pouco impacto no bem-estar percebido pelos pacientes, mesmo quando h&#225; melhora em outros par&#226;metros cl&#237;nicos. Essa aus&#234;ncia de efeito pode ser atribu&#237;da &#224;s varia&#231;&#245;es nos per&#237;odos de acompanhamento e &#224;s diferen&#231;as nas caracter&#237;sticas cl&#237;nicas dos pacientes entre os estudos inclu&#237;dos.</p>
      <p>Do ponto de vista da seguran&#231;a, a terapia com ARMs esteve associada a importantes eventos adversos, particularmente um aumento significativo no risco de hipercalemia (com alta certeza de evid&#234;ncia) e uma tend&#234;ncia &#224; deteriora&#231;&#227;o da fun&#231;&#227;o renal (com moderada certeza de evid&#234;ncia). Esses achados ressaltam a necessidade de uma cuidadosa avalia&#231;&#227;o individualizada da rela&#231;&#227;o risco-benef&#237;cio, especialmente em popula&#231;&#245;es com maior predisposi&#231;&#227;o a dist&#250;rbios eletrol&#237;ticos e renais (por exemplo, idosos e portadores de doen&#231;a renal cr&#244;nica). Por outro lado, a rigorosa monitora&#231;&#227;o dos n&#237;veis de creatinina e pot&#225;ssio s&#233;rico deve fazer parte do manejo cl&#237;nico desses pacientes.<sup><xref ref-type="bibr" rid="B29">29</xref></sup></p>
      <p>A presente revis&#227;o sistem&#225;tica seguiu uma metodologia rigorosa e transparente, com estrat&#233;gias de busca amplas e sens&#237;veis em m&#250;ltiplas bases de dados, visando &#224; identifica&#231;&#227;o dos estudos relevantes. A sele&#231;&#227;o de textos completos e a extra&#231;&#227;o dos dados foram realizadas de forma independente por revisores, reduzindo o risco de vi&#233;s na condu&#231;&#227;o do estudo. A avalia&#231;&#227;o da qualidade</p>
      <p>metodol&#243;gica dos ECRs foi conduzida com a ferramenta RoB 2.0, que permitiu uma an&#225;lise detalhada dos poss&#237;veis riscos de vi&#233;s em diferentes dom&#237;nios, com avalia&#231;&#227;o por desfecho. Al&#233;m disso, a certeza da evid&#234;ncia foi classificada de acordo com a abordagem GRADE, o que refor&#231;a a confian&#231;a nos achados e contribui para uma tomada de decis&#227;o cl&#237;nica mais informada e baseada em evid&#234;ncias de qualidade.</p>
      <p>Entre as limita&#231;&#245;es deste estudo, destaca-se a falta de padroniza&#231;&#227;o na avalia&#231;&#227;o de alguns desfechos, como qualidade de vida e eventos de piora da insufici&#234;ncia card&#237;aca, o que dificulta a compara&#231;&#227;o direta entre os estudos. Ainda, por se tratar de uma revis&#227;o r&#225;pida, adotou-se triagem realizada por um revisor com checagem por um segundo, em vez da dupla revis&#227;o independente, o que pode aumentar o risco de vieses na sele&#231;&#227;o e extra&#231;&#227;o dos dados.</p>
    </sec>
    <sec sec-type="conclusions">
      <title>Conclus&#227;o</title>
      <p>Os resultados desta metan&#225;lise d&#227;o apoio &#224; recomenda&#231;&#227;o de emprego dos ARMs, espironolactona ou finerenona, em pacientes com ICFEp ou ICFElr, para redu&#231;&#227;o das hospitaliza&#231;&#245;es ou eventos de insufici&#234;ncia card&#237;aca (<xref ref-type="fig" rid="f01">Figura Central</xref>).</p>
    </sec>
    <sec id="suppl01" sec-type="supplementary-material">
      <title>Material suplementar</title>
      <supplementary-material id="suppl1">
        <label>Material Suplementar</label>
        <media mime-subtype="pdf" mimetype="application" xlink:href="https://minio.scielo.br/documentstore/1678-4170/vfNf5nd477wvD8Y394W855r/839c8d7e30a7592fcd9ef212da6dc714f1f7e16d.pdf"/>
      </supplementary-material>
    </sec>
  </body>
  <back>
    <ack>
      <title>Agradecimentos</title>
      <p>A Ver&#244;nica Colpani, pela condu&#231;&#227;o da metan&#225;lise que embasa a revis&#227;o apresentada.</p>
    </ack>
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          <article-title>Diretriz Brasileira de Insufici&#234;ncia Card&#237;aca Cr&#244;nica e Aguda</article-title>
          <source>Arq Bras Cardiol</source>
          <year>2018</year>
          <volume>111</volume>
          <issue>3</issue>
          <fpage>436</fpage>
          <lpage>539</lpage>
          <pub-id pub-id-type="doi">10.5935/abc.20180190</pub-id>
        </element-citation>
      </ref>
    </ref-list>
    <fn-group>
      <fn fn-type="other">
        <label>Vincula&#231;&#227;o Acad&#234;mica:</label>
        <p> N&#227;o h&#225; vincula&#231;&#227;o deste estudo a programas de p&#243;s-gradua&#231;&#227;o.</p>
      </fn>
      <fn fn-type="other">
        <label>Aprova&#231;&#227;o &#201;tica e Consentimento Informado:</label>
        <p> Este artigo n&#227;o cont&#233;m estudos com humanos ou animais realizados por nenhum dos autores.</p>
      </fn>
      <fn fn-type="other">
        <label>Uso de Intelig&#234;ncia Artificial:</label>
        <p> Os autores n&#227;o utilizaram ferramentas de intelig&#234;ncia artificial no desenvolvimento deste trabalho.</p>
      </fn>
      <fn fn-type="data-availability" specific-use="data-in-article">
        <label>Disponibilidade de Dados:</label>
        <p> Os conte&#250;dos subjacentes ao texto da pesquisa est&#227;o contidos no manuscrito.</p>
      </fn>
      <fn fn-type="supplementary-material" id="suppl01a">
        <label>*Material suplementar</label>
        <p> Para informa&#231;&#227;o adicional, por favor, <ext-link ext-link-type="uri" xlink:href="http://abccardiol.org/supplementary-material/2026/12305/2025-0622_AR_Material_Suplementar.pdf">clique aqui</ext-link>.</p>
      </fn>
      <fn fn-type="financial-disclosure">
        <label>Fontes de Financiamento:</label>
        <p> O presente estudo n&#227;o teve fontes de financiamento externas.</p>
      </fn>
    </fn-group>
  </back>
  <sub-article article-type="translation" id="TRen" xml:lang="en">
    <front-stub>
      <article-id pub-id-type="doi">10.36660/abc.20250622i</article-id>
      <article-categories>
        <subj-group subj-group-type="heading">
          <subject>Review Article</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title>Systematic Review: Mineralocorticoid Receptor Antagonists in Heart Failure with Preserved and Mildly Reduced Ejection Fraction</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0001-6553-8387</contrib-id>
          <name>
            <surname>Sim&#245;es</surname>
            <given-names>Marcus Vinicius</given-names>
          </name>
          <role>Conception and design of the research and Writing of the manuscript</role>
          <xref ref-type="aff" rid="aff1001">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0002-5774-2780</contrib-id>
          <name>
            <surname>Danzmann</surname>
            <given-names>Luiz Claudio</given-names>
          </name>
          <role>Analysis and interpretation of the data and Critical revision of the manuscript for intellectual content</role>
          <xref ref-type="aff" rid="aff2001">
            <sup>2</sup>
          </xref>
          <xref ref-type="aff" rid="aff3001">
            <sup>3</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0002-3093-9743</contrib-id>
          <name>
            <surname>Martins</surname>
            <given-names>S&#237;lvia Marinho</given-names>
          </name>
          <role>Analysis and interpretation of the data and Critical revision of the manuscript for intellectual content</role>
          <xref ref-type="aff" rid="aff4001">
            <sup>4</sup>
          </xref>
          <xref ref-type="aff" rid="aff5001">
            <sup>5</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0003-3739-7702</contrib-id>
          <name>
            <surname>Figueiredo</surname>
            <given-names>Jos&#233; Albuquerque de</given-names>
            <suffix>Neto</suffix>
          </name>
          <role>Analysis and interpretation of the data and Critical revision of the manuscript for intellectual content</role>
          <xref ref-type="aff" rid="aff6001">
            <sup>6</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0002-2533-5638</contrib-id>
          <name>
            <surname>Marcondes-Braga</surname>
            <given-names>Fabiana G.</given-names>
          </name>
          <role>Analysis and interpretation of the data and Critical revision of the manuscript for intellectual content</role>
          <xref ref-type="aff" rid="aff7001">
            <sup>7</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0003-2501-302X</contrib-id>
          <name>
            <surname>Mourilhe-Rocha</surname>
            <given-names>Ricardo</given-names>
          </name>
          <role>Analysis and interpretation of the data and Critical revision of the manuscript for intellectual content</role>
          <xref ref-type="aff" rid="aff8001">
            <sup>8</sup>
          </xref>
          <xref ref-type="aff" rid="aff9001">
            <sup>9</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0003-1883-6546</contrib-id>
          <name>
            <surname>Albuquerque</surname>
            <given-names>Denilson Campos de</given-names>
          </name>
          <role>Analysis and interpretation of the data and Critical revision of the manuscript for intellectual content</role>
          <xref ref-type="aff" rid="aff8001">
            <sup>8</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0001-9413-3792</contrib-id>
          <name>
            <surname>Oliveira</surname>
            <given-names>Mucio Tavares de</given-names>
            <suffix>Jr</suffix>
          </name>
          <role>Analysis and interpretation of the data and Critical revision of the manuscript for intellectual content</role>
          <xref ref-type="aff" rid="aff7001">
            <sup>7</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Moura</surname>
            <given-names>Lidia Ana Zytynski</given-names>
          </name>
          <role>Analysis and interpretation of the data and Critical revision of the manuscript for intellectual content</role>
          <xref ref-type="aff" rid="aff10001">
            <sup>10</sup>
          </xref>
        </contrib>
      </contrib-group>
      <aff id="aff1001">
        <label>1</label>
        <country country="BR">Brasil</country>
        <institution content-type="original">Universidade de S&#227;o Paulo Faculdade de Medicina de Ribeir&#227;o Preto, Ribeir&#227;o Preto, SP &#8211; Brasil</institution>
      </aff>
      <aff id="aff2001">
        <label>2</label>
        <country country="BR">Brasil</country>
        <institution content-type="original">Universidade Luterana do Brasil, Canoas, RS &#8211; Brasil</institution>
      </aff>
      <aff id="aff3001">
        <label>3</label>
        <country country="BR">Brasil</country>
        <institution content-type="original">Hospital S&#227;o Lucas da PUCRS, Porto Alegre, RS &#8211; Brasil</institution>
      </aff>
      <aff id="aff4001">
        <label>4</label>
        <country country="BR">Brasil</country>
        <institution content-type="original">Pronto Socorro Cardiol&#243;gico de Pernambuco (PROCAPE), Recife, PE &#8211; Brasil</institution>
      </aff>
      <aff id="aff5001">
        <label>5</label>
        <country country="BR">Brasil</country>
        <institution content-type="original">Real Hospital Portugu&#234;s de Benefic&#234;ncia em Pernambuco &#8211; Realcor, Recife, PE &#8211; Brasil</institution>
      </aff>
      <aff id="aff6001">
        <label>6</label>
        <country country="BR">Brasil</country>
        <institution content-type="original">Universidade Federal do Maranh&#227;o, S&#227;o Lu&#237;s, MA &#8211; Brasil</institution>
      </aff>
      <aff id="aff7001">
        <label>7</label>
        <country country="BR">Brasil</country>
        <institution content-type="original">Instituto do Cora&#231;&#227;o do Hospital das Cl&#237;nicas da Faculdade de Medicina da Universidade de S&#227;o Paulo, S&#227;o Paulo, SP &#8211; Brasil</institution>
      </aff>
      <aff id="aff8001">
        <label>8</label>
        <country country="BR">Brasil</country>
        <institution content-type="original">Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ &#8211; Brasil</institution>
      </aff>
      <aff id="aff9001">
        <label>9</label>
        <country country="BR">Brasil</country>
        <institution content-type="original">Hospital Pr&#243;-Card&#237;aco &#8211; Am&#233;ricas Servi&#231;os M&#233;dicos, Rio de Janeiro, RJ &#8211; Brasil</institution>
      </aff>
      <aff id="aff10001">
        <label>10</label>
        <country country="BR">Brasil</country>
        <institution content-type="original">Pontif&#237;cia Universidade Cat&#243;lica do Paran&#225;, Curitiba, PR &#8211; Brasil</institution>
      </aff>
      <author-notes>
        <corresp id="c01001"><label>Mailing Address</label>: Marcus Vinicius Sim&#245;es &#8226; Universidade de S&#227;o Paulo Faculdade de Medicina de Ribeir&#227;o Preto &#8211; Av. Bandeirantes, 3900. Postal Code 14049-900, Ribeir&#227;o Preto, SP &#8211; Brazil E-mail: msimoes@fmrp.usp.br </corresp>
        <fn fn-type="coi-statement">
          <label>Potential Conflict of Interest:</label>
          <p>No potential conflict of interest relevant to this article was reported.</p>
        </fn>
        <fn fn-type="edited-by">
          <label>Editor responsible for the review:</label>
          <p>Marcio Bittencourt</p>
        </fn>
      </author-notes>
      <abstract>
        <title>Abstract</title>
        <p>Heart failure with preserved ejection fraction (HFpEF) or mildly reduced ejection fraction (HFmrEF) is a prevalent condition associated with significant morbidity and mortality, and the benefits of mineralocorticoid receptor antagonists (MRAs) remain unclear. To develop a systematic review on the use of MRAs in patients with HFpEF or HFmrEF, a systematic review and meta-analysis were conducted using a broad search strategy in the following databases: MEDLINE, Embase, and Cochrane Central Register of Controlled Trials (CENTRAL). Randomized controlled trials that evaluated the use of MRAs in patients with HFpEF compared to control groups were included. The quality of evidence and the strength of the recommendation were assessed according to the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) methodology. Eight studies were included. No statistically significant differences were observed for the outcomes of overall mortality and cardiovascular mortality compared to the control group for any of the MRAs. A benefit was observed with a reduced risk of hospitalization for heart failure (relative risk: 0.87; 95% confidence interval: 0.79 to 0.96; moderate certainty of evidence) and of worsening heart failure events (relative risk: 0.83; 95% confidence interval: 0.77 to 0.89; high certainty of evidence). The results of the meta-analysis indicate a significant benefit from MRAs, spironolactone or finerenone, to reduce hospitalizations and worsening heart failure events in patients with HFpEF or HFmrEF. Mineralocorticoid Receptor Antagonists; Diastolic Heart Failure; Systolic Heart Failure; Systematic Review; Meta-Analysis.</p>
      </abstract>
      <abstract abstract-type="graphical">
        <p>
          <fig id="f01001">
            <label>Central Illustration</label>
            <caption>
              <title>: Systematic Review: Mineralocorticoid Receptor Antagonists in Heart Failure with Preserved and Mildly Reduced Ejection Fraction</title>
              <p>eGFR: estimated glomerular filtration rate; HFmrEF: heart failure with mildly reduced ejection fraction; HFpEF: heart failure with preserved ejection fraction; LVEF: left ventricular ejection fraction.</p>
            </caption>
            <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf01-en.tif"/></fig>
        </p>
      </abstract>
      <kwd-group xml:lang="en">
        <title>Keywords:</title>
        <kwd>Mineralocorticoid Receptor Antagonists</kwd>
        <kwd>Diastolic Heart Failure</kwd>
        <kwd>Systolic Heart Failure</kwd>
        <kwd>Systematic Review</kwd>
        <kwd>Meta-Analysis</kwd>
      </kwd-group>
    </front-stub>
    <body>
      <sec sec-type="intro">
        <title>Introduction</title>
        <p>In patients with heart failure with reduced ejection fraction, the use of steroidal mineralocorticoid receptor antagonists (MRAs), namely spironolactone and eplerenone, has clearly demonstrated a reduction in the risk of death and hospitalization. Evidence for this effect is derived from two pivotal clinical trials, the Randomized Aldactone Evaluation Study (RALES)<sup><xref ref-type="bibr" rid="B1">1</xref></sup> and the Eplerenone in Mild Patients Hospitalization and Survival Study in Heart Failure (EMPHASIS-HF).<sup><xref ref-type="bibr" rid="B2">2</xref></sup> Accordingly, international guidelines put forth strong and consistent recommendations for the use of these MRAs in patients with heart failure with reduced ejection fraction.<sup><xref ref-type="bibr" rid="B3">3</xref></sup></p>
        <p>In contrast, the efficacy of these medications for treating heart failure with mildly reduced ejection fraction (HFmrEF) or preserved ejection fraction (HFpEF) remains uncertain. Until recently, a single multicenter randomized clinical trial (RCT), Treatment of Preserved Cardiac Function Heart Failure with an Aldosterone Antagonist (TOPCAT),<sup><xref ref-type="bibr" rid="B4">4</xref></sup> had tested the effect of spironolactone in patients with left ventricular ejection fraction (LVEF) &gt; 45%. In this study, spironolactone did not significantly reduce the primary composite endpoint of first hospitalization for heart failure, resuscitated cardiac arrest, or cardiovascular death. However, analysis of the components of the primary outcome showed a reduction in hospitalizations for heart failure, indicating a potentially significant effect of spironolactone.<sup><xref ref-type="bibr" rid="B4">4</xref></sup> Additionally, subsequent analyses suggested explanations for the study&#8217;s neutral result, observing that a considerable portion of the patients enrolled at sites in Russia and Georgia may not have had heart failure, given that the rate of observed events was much lower than that seen in patients enrolled in 4 countries in North and South America (United States, Canada, Brazil, and Argentina).<sup><xref ref-type="bibr" rid="B5">5</xref></sup> Another post-hoc analysis indicated that many patients may not have taken the assigned medication, as no metabolite of the drug was detected in the urine of many patients randomized to spironolactone, indicating a possible benefit in patients who actually used it.<sup><xref ref-type="bibr" rid="B6">6</xref></sup> As a consequence of these controversial aspects, recommendations for the use of MRAs in HFmrEF and HFpEF are weak or nonexistent.<sup><xref ref-type="bibr" rid="B7">7</xref></sup></p>
        <p>Recently, the Finerenone Trial to Investigate Efficacy and Safety Superior to Placebo in Patients With Heart Failure (FINEARTS-HF) evaluated the efficacy of finerenone, a non-steroidal MRA, in patients with LVEF &gt; 40%, demonstrating a significant reduction in the risk of the primary composite outcome of worsening heart failure and cardiovascular death in patients with HFpEF and HFmrEF.<sup><xref ref-type="bibr" rid="B8">8</xref></sup></p>
        <p>Given the growing evidence suggesting potential benefits of MRAs in patients with heart failure with non-reduced ejection fraction, a systematic review was conducted with the objective of identifying, assessing, and summarizing the available scientific evidence regarding the efficacy and safety of these drugs in patients with HFpEF and HFmrEF.</p>
      </sec>
      <sec sec-type="methods">
        <title>Methods</title>
        <p>In order to develop this systematic review from the Brazilian Society of Cardiology (SBC), a rapid systematic review was conducted, following the Cochrane criteria.<sup><xref ref-type="bibr" rid="B9">9</xref></sup> The review protocol was registered on the Open Science Framework platform, under number 10.17605/OSF.IO/MVB75. This study is reported in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines.<sup><xref ref-type="bibr" rid="B10">10</xref></sup></p>
        <p>The research question, structured in PICO format, sought to evaluate the efficacy and safety of the use of MRAs in patients with HFpEF and HFmrEF when compared to usual treatment or optimized medical therapy.</p>
        <p>The inclusion criteria were as follows: (1) RCTs; (2) patients diagnosed with HFpEF (LVEF &#8805; 40%); (3) symptomatic patients classified in New York Heart Association functional class II, III, or IV; (4) studies evaluating the use of MRAs as an intervention and including a control group using placebo or standard treatment for HFpEF.</p>
        <p>The following exclusion criteria were applied: (1) patients with an estimated glomerular filtration rate &lt; 25 mL/min/1.73 m<sup>2</sup>; (2) patients with serum potassium levels &gt; 5.0 mmol/L; (3) studies that did not report an adequate comparator group (placebo or standard treatment); (4) narrative reviews, case reports, editorials, and preclinical studies (in animals or in vitro).</p>
        <p>The primary efficacy outcomes included overall mortality, cardiovascular mortality, hospitalization for heart failure, worsening heart failure, and quality of life. The safety outcomes analyzed were hyperkalemia and worsening renal function.</p>
        <p>Initially, a search for systematic reviews on the topic was conducted on February 26, 2025, in the following 3 databases: Embase, MEDLINE (via PubMed), and Cochrane Library. Details on the methodology and search strategies are available in the supplementary material (<xref ref-type="sec" rid="suppl01a001">Chart 1S</xref>). However, due to the absence of methodologically high-quality systematic reviews to support the recommendations, a new search for RCTs was carried out in the same databases, including a complementary manual search, based on the systematic reviews selected in the first stage. The supplementary material (<xref ref-type="sec" rid="suppl01a001">Table 2S and Figure S1</xref>) display details about the search for systematic reviews.</p>
        <p>The search for RCTs was restricted to studies published in English or Portuguese. Details on the search strategy are described in the supplementary material (<xref ref-type="sec" rid="suppl01a001">Table 3S</xref>). Study selection was carried out using the Rayyan<sup><xref ref-type="bibr" rid="B11">11</xref></sup> reference manager and evaluated by a single reviewer. The same reviewer conducted full-text screening. Data extraction was carried out by one reviewer using a previously tested form and validated by a second reviewer.</p>
        <sec>
          <title>Statistical analysis</title>
          <p>Data were synthesized in narrative form; when possible, a meta-analysis was conducted for each outcome of interest, summarizing the results obtained in the RCTs.</p>
          <p>Meta-analyses were performed using a random-effects model, with data from the included RCTs. For dichotomous outcomes, the relative risk (RR) was used as a measure to estimate the effect size. For continuous outcomes, the mean difference (MD) was used. A 95% confidence interval (CI) was considered. Heterogeneity was assessed using the I<sup>2</sup> value, with values above 50% indicating significant heterogeneity. Meta-analyses were conducted using R software, version 4.4.3, with the meta package, version 8.0-2.<sup><xref ref-type="bibr" rid="B12">12</xref></sup></p>
          <p>Subgroup analyses were planned for the primary outcomes, provided data were available from the included studies. Sensitivity analyses for the primary outcomes were also planned, in the event that there were a sufficient number of methodologically homogeneous studies, excluding those that presented at least one domain assessed as having a high risk or some concerns of bias. However, these analyses were not necessary, given that the included studies showed low methodological and outcome heterogeneity. Publication bias assessment would have been performed through visual inspection of funnel plots if at least 10 studies had been grouped in a meta-analysis.</p>
        </sec>
        <sec>
          <title>Risk of bias assessment and certainty of evidence</title>
          <p>Eligible systematic reviews were assessed for methodological quality using the AMSTAR-2 tool.<sup><xref ref-type="bibr" rid="B13">13</xref></sup> The risk of bias of individual RCTs was assessed using the Cochrane Collaboration Risk of Bias 2.0 (RoB 2.0) tool.<sup><xref ref-type="bibr" rid="B14">14</xref></sup> The overall certainty of evidence and the strength of recommendation were analyzed according to the approach developed by the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) Working Group.<sup><xref ref-type="bibr" rid="B15">15</xref></sup></p>
        </sec>
      </sec>
      <sec sec-type="results">
        <title>Results</title>
        <sec>
          <title>Recommendation</title>
          <p>The results of the meta-analysis show that there was no statistically significant difference in overall and cardiovascular mortality outcomes, with moderate certainty of evidence. Regarding quality of life, the certainty of evidence was low, with no statistically significant difference. On the other hand, there was a significant increase in the incidence of hyperkalemia, with high certainty of evidence. Nonetheless, when considering the body of evidence, the panel assigned greater weight to the benefits observed in the clinical outcomes considered most relevant to patients, such as reduced hospitalizations for heart failure and clinical worsening, judging that these benefits outweigh the identified risk of hyperkalemia. However, it is worth emphasizing that patients&#8217; values and preferences should be included in the decision-making process.</p>
        </sec>
        <sec>
          <title>Summary of evidence</title>
          <p>Initially, a search for systematic reviews was conducted, resulting in the identification of 168 references in the databases. After removing 5 duplicate records, 163 references were analyzed by title and abstract, and 13 were selected for full reading. At the end of this stage, 2 references were included,<sup><xref ref-type="bibr" rid="B16">16</xref>,<xref ref-type="bibr" rid="B17">17</xref></sup> as shown in <xref ref-type="sec" rid="suppl01a001">Figure 1S</xref>.</p>
          <p>The assessment of the risk of bias of these two systematic reviews, using the AMSTAR-2 tool, revealed significant methodological limitations in both studies (<xref ref-type="sec" rid="suppl01a001">Table 1S</xref>). Therefore, a decision was reached to conduct a new search for RCTs that evaluated the efficacy and safety of MRAs in patients with HFpEF.</p>
          <p>The search for RCTs identified 522 records. After excluding 22 duplicate records and 475 studies based on title and abstract, 27 references were selected for full-text reading. Finally, 8 studies reported in 11 publications were included in the systematic review and meta-analysis (<xref ref-type="sec" rid="suppl01a001">Figure 2S</xref>). The lists of excluded studies and their respective justifications are detailed in the supplementary material (<xref ref-type="sec" rid="suppl01a001">Chart 3S</xref>).</p>
          <p>Of the 8 RCTs included, 5 compared spironolactone versus placebo, 2 eplerenone versus placebo, and 1 finerenone versus placebo.<sup><xref ref-type="bibr" rid="B4">4</xref>,<xref ref-type="bibr" rid="B5">5</xref>,<xref ref-type="bibr" rid="B8">8</xref>,<xref ref-type="bibr" rid="B18">18</xref>-<xref ref-type="bibr" rid="B26">26</xref></sup> The follow-up time of the studies ranged from 6 to 60 months.</p>
          <p><xref ref-type="table" rid="t1001">Table 1</xref> displays the characteristics of the included studies whose results were identified.</p>
          <p>
            <table-wrap id="t1001">
              <label>Table 1</label>
              <caption>
                <title>&#8211; Characteristics of the randomized clinical trials included (n = 8 trials, 11 references)</title>
              </caption>
              <table frame="hsides" rules="groups">
                <colgroup width="11%">
                  <col/>
                  <col/>
                  <col/>
                  <col/>
                  <col/>
                  <col/>
                  <col/>
                  <col/>
                  <col/>
                </colgroup>
                <thead>
                  <tr>
                    <th align="left">Study (author, year)</th>
                    <th>Mak, 2009<sup>22</sup></th>
                    <th style="font-weight:normal">RAAM-PEF (Deswal, 2011)<sup>24</sup></th>
                    <th style="font-weight:normal">Aldo-DHF (Edelmann, 2013)<sup>18</sup></th>
                    <th>Kurrelmeyer, 2014<sup>20</sup></th>
                    <th style="font-weight:normal">TOPCAT (Pitt, 2014, Pfeffer, 2015 e Lewis, 2016)<sup>4,5,21</sup></th>
                    <th>STRUCTURE trial (Kosmala, 2016)<sup>19</sup></th>
                    <th>Upadhya, 2017<sup>23</sup></th>
                    <th style="font-weight:normal">FINEARTS-HF (Solomon, 2024 e Cunningham, 2025)<sup>8,25</sup></th>
                  </tr>
                </thead>
                <tbody>
                  <tr>
                    <td>
                      <bold>Study design and protocol registry</bold>
                    </td>
                    <td align="center">Parallel-group, open RCT NCT00505336</td>
                    <td align="center">Phase IV, parallel-group, double-blind RCT NCT00108251</td>
                    <td align="center">Phase IIb, arallel-group, double-blind RCT ISRCTN94726526</td>
                    <td align="center">Phase IV, parallel-group, double-blind RCT NCT00206232</td>
                    <td align="center">Phase III, parallel-group, double-blind RCT NCT00094302</td>
                    <td align="center">Phase IV, parallel-group, double-blind RCT ACTRN12614000088640</td>
                    <td align="center">Phase III, parallel-group, double-blind RCT NCT00123955</td>
                    <td align="center">Phase III, parallel-group, double-blind RCT NCT04435626</td>
                  </tr>
                  <tr>
                    <td>
                      <bold>Location and period</bold>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Ireland</p>
                        </list-item>
                        <list-item>
                          <p>Beginning April 2006</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>United States</p>
                        </list-item>
                        <list-item>
                          <p>Beginning August 2006</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Germany and Austria (10 sites)</p>
                        </list-item>
                        <list-item>
                          <p>Beginning March 2007</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>United States</p>
                        </list-item>
                        <list-item>
                          <p>Beginning July 2004</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>United States, Canada, Brazil, Argentina, Russia, and Georgia</p>
                        </list-item>
                        <list-item>
                          <p>Beginning August 2006</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Poland</p>
                        </list-item>
                        <list-item>
                          <p>Beginning November 2011</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>United States</p>
                        </list-item>
                        <list-item>
                          <p>Beginning April 2005</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Argentina, Australia, Austria, Brazil, Bulgaria, Canada, China, Colombia, Czech Republic, Denmark, Finland, Germany, Greece, Hong Kong, Hungary, India, Israel, Italy, Japan, Korea, Latvia, Lithuania, Malaysia, Mexico, Netherlands, New Zealand, Poland, Portugal, Romania, Russia, Slovakia, Spain, Taiwan, Turkey, Ukraine, United Kingdom, United States</p>
                        </list-item>
                        <list-item>
                          <p>Beginning September 2020</p>
                        </list-item>
                      </list>
                    </td>
                  </tr>
                  <tr>
                    <td>
                      <bold>Participants</bold>
                    </td>
                    <td align="center">Individuals of both sexes with heart failure; ejection fraction &#8805; 45% (n = 44) Age (mean): 80 &#177; 7.8 years Comorbidities: hypertension (91%); diabetes mellitus (28%); hyperlipidemia (29%)</td>
                    <td align="center">Individuals of both sexes with heart failure; ejection fraction &#8805; 50% (n = 46) Age (mean): 70 &#177; 9 years Comorbidities: hypertension (100%); diabetes mellitus (61%); CAD (57%); atrial fibrillation (13.7%)</td>
                    <td align="center">Individuals of both sexes with heart failure; ejection fraction &#8805; 50% (n = 422) Age (mean): 67 &#177; 8 years Comorbidities: hypertension (92%); hyperlipidemia (65%); CAD (40%); diabetes mellitus (17%); atrial fibrillation (5%); COPD (3%)</td>
                    <td align="center">Individuals of both sexes with heart failure; ejection fraction &#8805; 50% (n = 48) Age (mean): 71 &#177; 5 years Comorbidities: hypertension (83%); diabetes mellitus (38%); CAD (35%); atrial fibrillation (25%)</td>
                    <td align="center">Individuals of both sexes with heart failure; ejection fraction &#8805; 45% (n = 3,445) Age (median): 68.7 years Comorbidities: hypertension (91.5%); dyslipidemia (60.2%); CAD (58.8%); chronic kidney disease (38.7%); diabetes mellitus (32.5%); atrial fibrillation (35.3%); myocardial infarction (26%); COPD (11.7%); stroke (7.7%)</td>
                    <td align="center">Individuals of both sexes with heart failure; ejection fraction &#8805; 50% (n = 150) Age (mean): 67 &#177; 8 years Comorbidities: hypertension (91.5%); diabetes mellitus (39.5%)</td>
                    <td align="center">Individuals of both sexes with heart failure; ejection fraction &#8805; 50% (n = 80) Age (mean): 71 &#177; 1 years Comorbidities: hypertension (87.5%); diabetes mellitus (23%); pulmonary edema (19%)</td>
                    <td align="center">Individuals of both sexes with heart failure; ejection fraction &#8805; 40% (n = 7,463) Age (mean): 72 &#177; 9.7 years Comorbidities: hypertension (88.8%); diabetes mellitus (40.7%); atrial fibrillation (38.2%)</td>
                  </tr>
                  <tr>
                    <td>
                      <bold>Intervention</bold>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Eplerenone 25 mg daily for 6 months, increased to 50 mg daily from 6 to 12 months (n = 24)</p>
                        </list-item>
                        <list-item>
                          <p>12 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Eplerenone 25 mg daily for 2 weeks, increased to 50 mg for 22 weeks (n = 23)</p>
                        </list-item>
                        <list-item>
                          <p>6 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Spironolactone</p>
                        </list-item>
                        <list-item>
                          <p>25 mg daily (n = 213)</p>
                        </list-item>
                        <list-item>
                          <p>12 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Spironolactone 25 mg daily (n = 24)</p>
                        </list-item>
                        <list-item>
                          <p>6 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Spironolactone 15 mg once daily, increased to a maximum of 45 mg daily during the first 4 months (n = 1,722) 39.6 months and</p>
                        </list-item>
                        <list-item>
                          <p>60 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Spironolactone 25 mg daily (n = 75)</p>
                        </list-item>
                        <list-item>
                          <p>6 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Spironolactone 25 mg daily (n = 42)</p>
                        </list-item>
                        <list-item>
                          <p>9 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Finerenone at a maximum dose of 20 mg or 40 mg once daily (n = 3,003)</p>
                        </list-item>
                        <list-item>
                          <p>32 months</p>
                        </list-item>
                      </list>
                    </td>
                  </tr>
                  <tr>
                    <td>
                      <bold>Comparator</bold>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Control group without additional treatment (n = 20)</p>
                        </list-item>
                        <list-item>
                          <p>12 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Placebo (n = 23)</p>
                        </list-item>
                        <list-item>
                          <p>6 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Placebo (n = 209)</p>
                        </list-item>
                        <list-item>
                          <p>12 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Placebo (n = 24)</p>
                        </list-item>
                        <list-item>
                          <p>6 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Placebo (n = 1,723) 39.6 months and</p>
                        </list-item>
                        <list-item>
                          <p>60 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Placebo (n = 75)</p>
                        </list-item>
                        <list-item>
                          <p>6 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Placebo (n = 38)</p>
                        </list-item>
                        <list-item>
                          <p>9 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Placebo (n = 2,998)</p>
                        </list-item>
                        <list-item>
                          <p>32 months</p>
                        </list-item>
                      </list>
                    </td>
                  </tr>
                  <tr>
                    <td>
                      <bold>Outcomes and time points assessed</bold>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Quality of life, biomarkers, diastolic function</p>
                        </list-item>
                        <list-item>
                          <p>12 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Functional capacity, quality of life, biomarkers, diastolic function, functional class</p>
                        </list-item>
                        <list-item>
                          <p>6.4 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Capacidade funcional, fun&#231;&#227;o diast&#243;lica, mortalidade geral, hospitaliza&#231;&#227;o, qualidade de vida, ansiedade, depress&#227;o, Events adversos</p>
                        </list-item>
                        <list-item>
                          <p>12 meses</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Functional capacity, diastolic function, biomarkers, overall mortality, hospitalization for heart failure, hyperkalemia, and quality of life</p>
                        </list-item>
                        <list-item>
                          <p>6 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Overall mortality, cardiovascular mortality, hospitalization, adverse events, hyperkalemia, and worsening renal function 39.6 months Quality of life</p>
                        </list-item>
                        <list-item>
                          <p>60 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Functional capacity, diastolic function, overall mortality, hospitalization, biomarkers, adverse events</p>
                        </list-item>
                        <list-item>
                          <p>6 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Functional capacity, diastolic function, mortality, hospitalization, adverse events, adherence, quality of life</p>
                        </list-item>
                        <list-item>
                          <p>9 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>Mortality, hospitalization, worsening heart failure, quality of life, adverse events, functional class</p>
                        </list-item>
                        <list-item>
                          <p>32 months</p>
                        </list-item>
                      </list>
                    </td>
                  </tr>
                  <tr>
                    <td>
                      <bold>Funding sources</bold>
                    </td>
                    <td align="center">St Vincent&#8217;s University Hospital, Ireland</td>
                    <td align="center">Pfizer Pharmaceuticals</td>
                    <td align="center">German-Austrian Heart Failure Study Group and German Competence Network of Heart Failure</td>
                    <td align="center">Women&#8217;s Fund; Houston, Texas</td>
                    <td align="center">National Heart, Lung, and Blood Institute, National Institutes of Health (HHSN268200425207C)</td>
                    <td align="center">Wroclaw Medical University (ST-678) e Royal Hobart Hospital Foundation (13-024)</td>
                    <td align="center">National Institutes of Health (NIH, R01AG18915); Claude D. Pepper Older Americans Independence Center of Wake Forest University (P30AG21332); the Clinical and Translational Science Institute of Wake Forest School of Medicine (NIH UL1TR001420); e o Kermit G. Phillips Chair in Cardiovascular Medicine of Wake Forest School of Medicine</td>
                    <td align="center">Bayer</td>
                  </tr>
                </tbody>
              </table>
              <table-wrap-foot>
                <fn id="TFN1001">
                  <p>CAD: coronary artery disease; COPD: chronic obstructive pulmonary disease; RCT: randomized clinical trial.</p>
                </fn>
              </table-wrap-foot>
            </table-wrap>
          </p>
        </sec>
        <sec>
          <title>Overall mortality</title>
          <p>The use of MRAs did not result in a significant difference in the outcome of overall mortality when compared to the control group (RR: 0.93; 95% CI: 0.85 to 1.02; n = 10,215; 8 RCTs; I<sup>2</sup> = 0%; moderate certainty of evidence; <xref ref-type="fig" rid="f02001">Figure 1</xref> and <xref ref-type="sec" rid="suppl01a001">Table 2S</xref>). The certainty of evidence was considered moderate due to imprecision of the data, with the CI including both a reduction of up to 15% and an increase of 2% in the risk of overall mortality.</p>
          <p>
            <fig id="f02001">
              <label>Figure 1</label>
              <caption>
                <title>&#8211; Effect of mineralocorticoid receptor antagonists versus control for the outcome of overall mortality. CI: confidence interval; MRAs: mineralocorticoid receptor antagonists; RR: relative risk. Source: the authors.</title>
              </caption>
              <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf02-en.tif"/></fig>
          </p>
          <p>A subanalysis was performed by replacing the TOPCAT (2014) study with data from the subpopulation enrolled in the Americas, as described by Pfeffer et al. (TOPCAT 2015),<sup><xref ref-type="bibr" rid="B5">5</xref></sup> due to the significant heterogeneity among the regions participating in the original study. The decision was based on the low event rate observed in the Russia/Georgia cohort, which compromises the external validity of the overall results. The clinical characteristics and response to intervention in the Americas subpopulation were more compatible with the other studies included in the meta-analysis. With this substitution, the use of MRAs continued to show no significant difference for the outcome of overall mortality when compared to the control group (RR: 0.91; 95% CI: 0.83 to 1.00; n = 8,537; 8 RCTs; I<sup>2</sup> = 0%; <xref ref-type="fig" rid="f03001">Figure 2</xref>), maintaining moderate certainty of evidence.</p>
          <p>
            <fig id="f03001">
              <label>Figure 2</label>
              <caption>
                <title>&#8211; Subanalysis of the effect of mineralocorticoid receptor antagonists versus control for the outcome of overall mortality. CI: confidence interval; MRAs: mineralocorticoid receptor antagonists; RR: relative risk. Source: the authors.</title>
              </caption>
              <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf03-en.tif"/></fig>
          </p>
        </sec>
        <sec>
          <title>Cardiovascular mortality</title>
          <p>The use of MRAs did not result in a significant difference in the outcome of cardiovascular mortality when compared to the control group (RR: 0.92; 95% CI: 0.81 to 1.05; n = 9,446; 2 RCTs; I<sup>2</sup> = 0%; moderate certainty of evidence; <xref ref-type="fig" rid="f04001">Figure 3</xref> and <xref ref-type="sec" rid="suppl01a001">Table 2S</xref>). The certainty of evidence was considered moderate, with a wide CI, encompassing a 19% reduction to a 5% increase in risk, reflecting imprecision in the findings.</p>
          <p>
            <fig id="f04001">
              <label>Figure 3</label>
              <caption>
                <title>&#8211; Effect of mineralocorticoid receptor antagonists versus control for the outcome of cardiovascular mortality. CI: confidence interval; MRAs: mineralocorticoid receptor antagonists; RR: relative risk. Source: the authors.</title>
              </caption>
              <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf04-en.tif"/></fig>
          </p>
          <p>In the subanalysis replacing the TOPCAT (2014) study with data from the subpopulation enrolled in the Americas, as described by Pfeffer et al. (TOPCAT 2015),<sup><xref ref-type="bibr" rid="B5">5</xref></sup> the use of MRAs continued to show no significant difference in the outcome of cardiovascular mortality compared to the control group (RR: 0.85; 95% CI: 0.70 to 1.05; n = 7,768; 2 RCTs; I<sup>2</sup> = 48.1%; <xref ref-type="fig" rid="f05001">Figure 4</xref>), maintaining moderate certainty of evidence.</p>
          <p>
            <fig id="f05001">
              <label>Figure 4</label>
              <caption>
                <title>&#8211; Subanalysis of the effect of mineralocorticoid receptor antagonists versus control for the outcome of cardiovascular mortality. CI: confidence interval; MRAs: mineralocorticoid receptor antagonists; RR: relative risk. Source: the authors.</title>
              </caption>
              <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf05-en.tif"/></fig>
          </p>
        </sec>
        <sec>
          <title>Hospitalization</title>
          <p>The use of MRAs resulted in a difference in the outcome of cardiovascular hospitalization when compared to the control group (RR: 0.87; 95% CI: 0.79 to 0.96; n = 10,040; 6 RCTs; I<sup>2</sup> = 18.4%; moderate certainty of evidence; <xref ref-type="fig" rid="f06001">Figure 5</xref> and <xref ref-type="sec" rid="suppl01a001">Table 2S</xref>). The certainty of evidence was considered moderate, with a wide 95% CI, encompassing a 4% to 21% reduction in risk.</p>
          <p>
            <fig id="f06001">
              <label>Figure 5</label>
              <caption>
                <title>&#8211; Effect of mineralocorticoid receptor antagonists versus control for the outcome of hospitalization for heart failure. CI: confidence interval; MRAs: mineralocorticoid receptor antagonists; RR: relative risk. Source: the authors. The data from FINEARTS-HF refer to the effect of finerenone compared to placebo for initial worsening heart failure events.21</title>
              </caption>
              <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf06-en.tif"/></fig>
          </p>
          <p>The STRUCTURE study evaluated 64 patients in the intervention group and 67 patients in the control group. After 6 months of treatment, 3 hospitalizations for cardiac causes were recorded in the MRA-treated group (4.7%) and 4 hospitalizations in the control group (6.0%). However, the authors did not detail the diagnostic or clinical criteria used to define hospitalization for cardiac causes; therefore, the study was not included in this meta-analysis.</p>
          <p>In the subanalysis replacing the TOPCAT (2014) study with data from the subpopulation enrolled in the Americas, as described by Pfeffer et al. (TOPCAT 2015),<sup><xref ref-type="bibr" rid="B5">5</xref></sup> the use of MRAs continued to show the same significant difference for the outcome of cardiovascular hospitalization compared to the control group (RR: 0.87; 95% CI: 0.79 to 0.96; n = 8,362; 6 RCTs; I<sup>2</sup> = 17.4%; <xref ref-type="fig" rid="f07001">Figure 6</xref>), maintaining moderate certainty of evidence.</p>
          <p>
            <fig id="f07001">
              <label>Figure 6</label>
              <caption>
                <title>&#8211; Subanalysis of the effect of mineralocorticoid receptor antagonists versus control for the outcome of cardiovascular hospitalization. CI: confidence interval; MRAs: mineralocorticoid receptor antagonists; RR: relative risk. Source: the authors. The data from FINEARTS-HF refer to the effect of finerenone compared to placebo for initial worsening heart failure events.21</title>
              </caption>
              <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf07-en.tif"/></fig>
          </p>
        </sec>
        <sec>
          <title>Worsening heart failure</title>
          <p>The use of MRAs resulted in an 18% reduction in the risk of worsening heart failure when compared to the control group (RR: 0.82; 95% CI: 0.77 to 0.89; n = 6,467; 3 RCTs; I<sup>2</sup> = 0%; high certainty of evidence; <xref ref-type="fig" rid="f08001">Figure 7</xref> and <xref ref-type="sec" rid="suppl01a001">Table 2S</xref>). A sensitivity analysis was performed excluding the Aldo-DHF study, as the population had relatively stable heart failure (without elevated NT-proBNP). In this analysis, the use of MRAs maintained a significant risk reduction (RR: 0.82; 95% CI: 0.76 to 0.88; 2 RCTs; n = 6,045), reinforcing the robustness of the findings.</p>
          <p>
            <fig id="f08001">
              <label>Figure 7</label>
              <caption>
                <title>&#8211; Effect of mineralocorticoid receptor antagonists versus control for the outcome of worsening heart failure. CI: confidence interval; MRAs: mineralocorticoid receptor antagonists; RR: relative risk. Source: the authors.</title>
              </caption>
              <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf08-en.tif"/></fig>
          </p>
          <p>The included studies adopted varying definitions to characterize worsening heart failure. The RAAM-PEF study (2011) defined worsening as hospitalization for heart failure or the need for intensified treatment, including aMDinistration of intravenous diuretics or an increase in the dose of oral diuretics. The Aldo-DHF study (2013) considered worsening criteria as intensifying dyspnea, as well as worsening or onset of edema. The FINEARTS-HF study (2024) defined worsening heart failure as the occurrence of unplanned hospitalization, whether initial or recurrent, or an urgent visit due to the condition.</p>
        </sec>
        <sec>
          <title>Quality of life</title>
          <p>The outcome of quality of life was assessed using the Minnesota Living With Heart Failure Questionnaire (MLHFQ), Kansas City Cardiomyopathy Questionnaire (KCCQ), EQ5D Visual Analog Scale (VAS), and 36-Item Short Form Health Survey (SF-36).</p>
          <p>In the analysis of studies that used the MLHFQ, the use of MRAs did not result in a significant difference in outcome of quality of life compared to the control group (MD: &#8722;1.17; 95% CI: &#8722;3.10 to 0.76; n = 505; 3 RCTs; I<sup>2</sup> = 0%; moderate certainty of evidence; <xref ref-type="fig" rid="f09001">Figure 8</xref> and <xref ref-type="sec" rid="suppl01a001">Table 2S</xref>). The certainty of evidence was considered moderate due to imprecision of the data, with a CI ranging from a possible mild improvement (3.1 points) to a minimal worsening (0.76 points). Additionally, the 2017 study by Upadhya et al.<sup><xref ref-type="bibr" rid="B23">23</xref></sup> assessed the emotional and physical domains of the MLHFQ, and no significant differences were observed between the spironolactone and placebo groups after 6 months of treatment.</p>
          <p>
            <fig id="f09001">
              <label>Figure 8</label>
              <caption>
                <title>&#8211; Mean difference between mineralocorticoid receptor antagonists and control for the outcome of quality of life assessed by the MLHFQ. CI: confidence interval; MD: mean difference; MRAs: mineralocorticoid receptor antagonists; SD: standard deviation. Source: the authors.</title>
              </caption>
              <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf09-en.tif"/></fig>
          </p>
          <p>Among the studies that used the KCCQ Overall Summary Score, no significant difference was observed between the groups (MD: 3.62; 95% CI: &#8722;1.85 to 9.10; n = 7,659; 3 RCTs; I<sup>2</sup> = 92%; moderate certainty of evidence; <xref ref-type="fig" rid="f10001">Figure 9</xref> and <xref ref-type="sec" rid="suppl01a001">Table 2S</xref>). The certainty of the evidence was considered moderate due to imprecision, with a wide CI ranging from a slight worsening (&#8722;1.85 points) to a modest improvement (9.10 points). Similar results were observed for the Clinical Summary Score (MD: &#8722;3.33; 95% CI: &#8722;9.59 to 2.94; 2 RCTs, n = 92; I<sup>2</sup> = 0%; <xref ref-type="fig" rid="f11001">Figure 10</xref> and <xref ref-type="sec" rid="suppl01a001">Table 2S</xref>), with low certainty, however, due to the small sample size and imprecision of the results, where the CI ranged from a possible worsening (&#8722;9.59) to a benefit (2.94) (<xref ref-type="sec" rid="suppl01a001">Table 2S</xref>).</p>
          <p>
            <fig id="f10001">
              <label>Figure 9</label>
              <caption>
                <title>&#8211; Mean difference between mineralocorticoid receptor antagonists and control for the outcome of quality of life assessed by the KCCQ Overall Summary Score. CI: confidence interval; MD: mean difference; MRAs: mineralocorticoid receptor antagonists; SD: standard deviation. Source: the authors.</title>
              </caption>
              <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf10-en.tif"/></fig>
          </p>
          <p>
            <fig id="f11001">
              <label>Figure 10</label>
              <caption>
                <title>&#8211; Mean difference between mineralocorticoid receptor antagonists and control for the outcome of quality of life assessed by the KCCQ Clinical Summary Score. CI: confidence interval; MD: mean difference; MRAs: mineralocorticoid receptor antagonists; SD: standard deviation. Source: the authors.</title>
              </caption>
              <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf11-en.tif"/></fig>
          </p>
          <p>The 2016 TOPCAT study also assessed quality of life using the EQ5D VAS. No statistically significant difference was observed in the mean score variation between the groups treated with spironolactone (mean variation: 9.04; standard error: 0.96) and placebo (mean variation: 8.67; standard error: 0.86) over 60 months of follow-up.</p>
          <p>In the 2013 Aldo-DHF study, the use of spironolactone did not result in a significant improvement in the quality of life outcome assessed by the SF-36 Physical Functioning (adjusted difference of 1 point; 95% CI: &#8722;2 to 4; p = 0.62) and SF-36 Global Self-Assessment (adjusted difference of 0.0; 95% CI: &#8722;0.1 to 0.1; p = 0.79) when compared to the placebo group after 12 months of treatment.</p>
        </sec>
        <sec>
          <title>Hyperkalemia</title>
          <p>The results demonstrated that the use of MRAs increased the risk of hyperkalemia compared to the control group (RR: 2.16; 95% CI: 1.89 to 2.47; n = 9,654; 5 RCTs; I<sup>2</sup> = 0%; high certainty of evidence; <xref ref-type="fig" rid="f12001">Figure 11</xref> and <xref ref-type="sec" rid="suppl01a001">Table 2S</xref>). The CI indicated that MRA treatment increased the risk of hyperkalemia, with an estimated increase ranging from 89% to 147%.</p>
          <p>
            <fig id="f12001">
              <label>Figure 11</label>
              <caption>
                <title>&#8211; Effect of mineralocorticoid receptor antagonists versus control for the outcome of hyperkalemia. CI: confidence interval; MRAs: mineralocorticoid receptor antagonists; RR: relative risk. Source: the authors.</title>
              </caption>
              <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf12-en.tif"/></fig>
          </p>
          <p>In the subanalysis replacing the TOPCAT (2014) study with data from the subpopulation enrolled in the Americas, as described by Pfeffer et al. (TOPCAT 2015),<sup><xref ref-type="bibr" rid="B5">5</xref></sup> the use of MRAs continued to show an increased risk of hyperkalemia compared to the control group (RR: 2.54; 95% CI: 2.09 to 3.08; n = 7,976; 5 RCTs; I<sup>2</sup> = 0%), maintaining moderate certainty of evidence (<xref ref-type="fig" rid="f13001">Figure 12</xref>).</p>
          <p>
            <fig id="f13001">
              <label>Figure 12</label>
              <caption>
                <title>&#8211; Subanalysis of the effect of mineralocorticoid receptor antagonists versus control for the outcome of hyperkalemia. CI: confidence interval; MRAs: mineralocorticoid receptor antagonists; RR: relative risk. Source: the authors.</title>
              </caption>
              <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf13-en.tif"/></fig>
          </p>
        </sec>
        <sec>
          <title>Worsening renal function</title>
          <p>Analysis revealed that the use of MRAs showed a trend towards worsening renal function compared to the control (RR: 1.53; 95% CI: 0.96 to 2.45; n = 6,554; 3 RCTs; I<sup>2</sup> = 0%; moderate certainty of evidence; <xref ref-type="fig" rid="f14001">Figure 13</xref> and <xref ref-type="sec" rid="suppl01a001">Table 2S</xref>). The certainty of evidence was considered moderate due to imprecision of the data; although the RR suggests a potential increase of 53%, the wide CI encompasses a marginal reduction of 4% to a significant increase of 145%.</p>
          <p>
            <fig id="f14001">
              <label>Figure 13</label>
              <caption>
                <title>&#8211; Effect of mineralocorticoid receptor antagonists versus control for the outcome of worsening renal function. CI: confidence interval; MRAs: mineralocorticoid receptor antagonists; RR: relative risk. Source: the authors.</title>
              </caption>
              <graphic xlink:href="1678-4170-abc-123-04-e20250622-50622-gf14-en.tif"/></fig>
          </p>
        </sec>
        <sec>
          <title>Risk of bias and certainty of evidence</title>
          <p>The risk of bias of the RCTs was assessed across all outcomes. The Aldo-DHF, TOPCAT (2014), and FINEARTS-HF (2024) studies did not show bias in any of the domains assessed, corresponding to 34% of the included studies. Of the 9 publications included, 4 (44%) were classified as having a high risk of bias, whereas 2 studies (22%) had some concerns regarding the risk of bias in their overall assessment. <xref ref-type="sec" rid="suppl01a001">Figure 3S</xref> displays a chart with the details of the judgments made for each domain.</p>
          <p>The certainty in the final body of evidence was assessed using the GRADE approach for all outcomes of comparison, considering only the longest follow-up time points and the overall sample (<xref ref-type="table" rid="t2001">Table 2</xref> and <xref ref-type="sec" rid="suppl01a001">Table 2S</xref>).</p>
          <p>
            <table-wrap id="t2001">
              <label>Table 2</label>
              <caption>
                <title>&#8211; Assessment of the certainty of the body of evidence</title>
              </caption>
              <table frame="hsides" rules="groups">
                <colgroup width="14%">
                  <col/>
                  <col/>
                  <col/>
                  <col/>
                  <col/>
                  <col/>
                  <col/>
                </colgroup>
                <thead>
                  <tr>
                    <th align="left" colspan="7" style="font-weight:normal">Population: Patients with heart failure with preserved ejection fraction Intervention: MRAs Comparator: Control</th>
                  </tr>
                  <tr>
                    <th align="left" rowspan="2">Outcomes</th>
                    <th colspan="2">Potential absolute effects (95% CI)</th>
                    <th rowspan="2">Relative effect (95% CI)</th>
                    <th rowspan="2">Number of participants (studies)</th>
                    <th rowspan="2">Certainty of evidence (GRADE)</th>
                    <th align="left" rowspan="2">Narrative statements</th>
                  </tr>
                  <tr>
                    <th>Risk with control</th>
                    <th>Risk with MRAs</th>
                  </tr>
                </thead>
                <tbody>
                  <tr>
                    <td>
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>Overall mortality</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>Follow-up: varying from</p>
                        </list-item>
                        <list-item>
                          <p>6 months to 39.6 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">156 per 1,000</td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>145 per 1,000</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(132 to 159)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>RR 0.93</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(0.85 to 1.02)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>10,234</p>
                        </list-item>
                        <list-item>
                          <p>(8 RCTs)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>&#10753;&#10753;&#10753;&#9711;</p>
                        </list-item>
                        <list-item>
                          <p>Moderate<sup>a,b</sup></p>
                        </list-item>
                      </list>
                    </td>
                    <td>MRAs probably do not result in a difference in the risk of overall mortality.</td>
                  </tr>
                  <tr>
                    <td>
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>Cardiovascular mortality</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>Follow-up: varying from</p>
                        </list-item>
                        <list-item>
                          <p>32 months to 39.6 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">85 per 1,000</td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>78 per 1,000</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(69 to 89)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>RR 0.92</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(0.81 to 1.05)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>9,446</p>
                        </list-item>
                        <list-item>
                          <p>(2 RCTs)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>&#10753;&#10753;&#10753;&#9711;</p>
                        </list-item>
                        <list-item>
                          <p>Moderate<sup>b</sup></p>
                        </list-item>
                      </list>
                    </td>
                    <td>MRAs probably do not result in a difference in the risk of cardiovascular mortality.</td>
                  </tr>
                  <tr>
                    <td>
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>Hospitalization for heart failure</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>Follow-up: varying from</p>
                        </list-item>
                        <list-item>
                          <p>6 months to 39.6 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">156 per 1,000</td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>135 per 1,000</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(123 to 150)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>RR 0.87</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(0.79 to 0.96)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>10,040</p>
                        </list-item>
                        <list-item>
                          <p>(6 RCTs)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>&#10753;&#10753;&#10753;&#10753;</p>
                        </list-item>
                        <list-item>
                          <p>High</p>
                        </list-item>
                      </list>
                    </td>
                    <td>MRAs result in reduced risk of hospitalization for heart failure.</td>
                  </tr>
                  <tr>
                    <td>
                      <bold>Worsening heart failure</bold>
                    </td>
                    <td align="center">342 per 1,000</td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>281 per 1,000</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(263 to 304)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>RR 0.82</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(0.77 to 0.89)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>6,467</p>
                        </list-item>
                        <list-item>
                          <p>(3 RCTs)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>&#10753;&#10753;&#10753;&#10753;</p>
                        </list-item>
                        <list-item>
                          <p>High</p>
                        </list-item>
                      </list>
                    </td>
                    <td>MRAs reduce the risk of worsening heart failure.</td>
                  </tr>
                  <tr>
                    <td>
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>Quality of life</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(assessed with MLHFQ)</p>
                        </list-item>
                        <list-item>
                          <p>Follow-up: varying from</p>
                        </list-item>
                        <list-item>
                          <p>9 months to 12 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">Mean quality of life was 0</td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>MD 1.17 lower</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(3.10 lower to</p>
                        </list-item>
                        <list-item>
                          <p>0.76 higher)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">-</td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>505</p>
                        </list-item>
                        <list-item>
                          <p>(3 RCTs)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>&#10753;&#10753;&#9711;&#9711;</p>
                        </list-item>
                        <list-item>
                          <p>Low<sup>b,c</sup></p>
                        </list-item>
                      </list>
                    </td>
                    <td>MRAs may not result in a difference in quality of life assessed by the MLHFQ.</td>
                  </tr>
                  <tr>
                    <td>
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>Quality of life</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(assessed with KCCQ Overall Summary Score)</p>
                        </list-item>
                        <list-item>
                          <p>Follow-up: varying from</p>
                        </list-item>
                        <list-item>
                          <p>6 months to 39.6 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">-</td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>MD 3.62 higher</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(1.85 lower to</p>
                        </list-item>
                        <list-item>
                          <p>9.10 higher)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">-</td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>7,659</p>
                        </list-item>
                        <list-item>
                          <p>(3 RCTs)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>&#10753;&#10753;&#9711;&#9711;</p>
                        </list-item>
                        <list-item>
                          <p>Low<sup>b,d</sup></p>
                        </list-item>
                      </list>
                    </td>
                    <td>MRAs may not result in a difference in quality of life assessed by the KCCQ.</td>
                  </tr>
                  <tr>
                    <td>
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>Hyperkalemia</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>Follow-up: varying from</p>
                        </list-item>
                        <list-item>
                          <p>6 months to 39.6 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">59 per 1,000</td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>127 per 1,000</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(111 to 128)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>RR 2.16</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(1.89 to 2.47)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>9,654</p>
                        </list-item>
                        <list-item>
                          <p>(5 RCTs)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>&#10753;&#10753;&#10753;&#10753;</p>
                        </list-item>
                        <list-item>
                          <p>High</p>
                        </list-item>
                      </list>
                    </td>
                    <td>MRAs increase the risk of hyperkalemia.</td>
                  </tr>
                  <tr>
                    <td>
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>Worsening renal function</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>Follow-up: varying from</p>
                        </list-item>
                        <list-item>
                          <p>6 months to 32 months</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">18 per 1,000</td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>28 per 1,000</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(17 to 44)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>
                            <bold>RR 1.53</bold>
                          </p>
                        </list-item>
                        <list-item>
                          <p>(0.96 to 2.45)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>6,554</p>
                        </list-item>
                        <list-item>
                          <p>(3 RCTs)</p>
                        </list-item>
                      </list>
                    </td>
                    <td align="center">
                      <list list-type="simple">
                        <list-item>
                          <p>&#10753;&#10753;&#10753;&#9711;</p>
                        </list-item>
                        <list-item>
                          <p>Moderate<sup>a,b</sup></p>
                        </list-item>
                      </list>
                    </td>
                    <td>MRAs probably result in worsening renal function.</td>
                  </tr>
                </tbody>
              </table>
              <table-wrap-foot>
                <fn id="TFN2001">
                  <p>CI: confidence interval; MRAs: mineralocorticoid receptor antagonists; RCTs: randomized clinical trials; RR: relative risk. The MLHFQ (Minnesota Living with Heart Failure Questionnaire) score ranges from 0 to 105, and higher scores indicate worse quality of life. The KCCQ (Kansas City Cardiomyopathy Questionnaire) score ranges from 0 to 100 in each domain, and higher scores indicate better quality of life. <bold>Explanations:</bold> a. Methodological limitations: Although some studies showed risk of bias, those contributing most to the analysis were classified as having low risk of bias. b. Imprecision: Wide confidence interval, indicating imprecision in the results. c. Methodological limitations: The RoB 2 tool classified the 2009 study by Mak et al.<sup>22</sup> as having some concerns, with issues in the domains of randomization process and selective outcome reporting. The 2017 study by Upadhya et al.<sup>23</sup> was also judged as having some concerns, with issues in the randomization process and deviations from intended interventions. d. Methodological limitations: The RoB 2 tool classified the 2011 RAAM-PEF24 and 2016 TOPCAT21 studies as having high risk of bias, with issues across multiple domains, compromising the reliability of the effect estimate. Source: the authors.</p>
                </fn>
              </table-wrap-foot>
            </table-wrap>
          </p>
        </sec>
      </sec>
      <sec sec-type="discussion">
        <title>Discussion</title>
        <p>This systematic review evaluated the efficacy and safety of MRAs in patients with HFpEF and HFmrEF, demonstrating a consistent clinical benefit in terms of disease progression. Although the impact on mortality was limited, a statistically significant reduction in hospitalizations for heart failure was observed, indicating a relevant effect on patient morbidity. This benefit was present for both spironolactone and finerenone.</p>
        <p>It is worth underscoring that, in the original publication of the TOPCAT study results, the analysis of the primary outcome component of hospitalizations for heart failure also demonstrated a benefit for spironolactone, with a hazard ratio of 0.83 (95% CI: 0.69 to 0.99; p = 0.04). Similarly, although the FINEARTS-HF study achieved a statistically significant reduction in the occurrence of the primary composite outcome of cardiovascular death or worsening heart failure events (first or recurrent unplanned hospitalization for heart failure or emergency room visit for heart failure), only the worsening heart failure component of the primary outcome showed a significant reduction with the use of finerenone (hazard ratio: 0.82; 95% CI: 0.71 to 0.94; p = 0.006), with a neutral impact on cardiovascular death (hazard ratio: 0.93; 95% CI: 0.78 to 1.11).</p>
        <p>These results are similar to those of other studies testing treatments in patients with HFpEF or HFmrEF, showing benefits in reducing heart failure hospitalizations and events, yet without impact on overall or cardiovascular mortality, as observed in studies with SGLT2 inhibitors.<sup><xref ref-type="bibr" rid="B26">26</xref>,<xref ref-type="bibr" rid="B27">27</xref></sup> Several analyses have suggested that the lack of impact on mortality outcomes in HFpEF or HFmrEF is due to the particular characteristics of this population, for example, advanced age and multiple comorbidities; as a result, the main cause of death is non-cardiovascular.<sup><xref ref-type="bibr" rid="B28">28</xref></sup></p>
        <p>In relation to quality of life, no statistically significant differences were identified between groups across the different scales assessed (MLHFQ, KCCQ, EQ5D-VAS, and SF-36). These results may suggest that MRAs have little impact on patients&#8217; perceived well-being, even when other clinical parameters improve. This lack of effect may be attributed to variations in follow-up periods and differences in patients&#8217; clinical characteristics among the included studies.</p>
        <p>From a safety standpoint, therapy with MRAs has been associated with important adverse events, particularly a significant increase in the risk of hyperkalemia (with high certainty of evidence) and a trend toward worsening renal function (with moderate certainty of evidence). These findings highlight the need for careful individualized assessment of the risk-benefit ratio, especially in populations with a greater predisposition to electrolyte and renal disorders (for example, elderly patients and patients with chronic kidney disease). Likewise, the clinical management of these patients should include rigorous monitoring of serum creatinine and potassium levels.<sup><xref ref-type="bibr" rid="B29">29</xref></sup></p>
        <p>This systematic review followed a rigorous and transparent methodology, with broad and sensitive search strategies across multiple databases to identify relevant studies. Reviewers independently performed full-text selection and data extraction, reducing the risk of bias. The methodological quality of the RCTs was assessed using the RoB 2.0 tool, which allowed for detailed analysis of potential risks of bias in different domains, with outcome-based evaluation. Furthermore, the certainty of the evidence was classified according to the GRADE approach, reinforcing confidence in the findings and contributing to more informed clinical decision-making based on high-quality evidence.</p>
        <p>The limitations of this study include a lack of standardization in the assessment of some outcomes, such as quality of life and worsening heart failure events, making direct comparison between studies difficult. Furthermore, as it is a rapid review, screening was performed by one reviewer and checked by a second reviewer, instead of independent double review, which may increase the risk of bias in the selection and extraction of data.</p>
      </sec>
      <sec sec-type="conclusions">
        <title>Conclusion</title>
        <p>The results of this meta-analysis support the recommendation to use MRAs, spironolactone or finerenone, in patients with HFpEF or HFmrEF to reduce hospitalizations and heart failure events (<xref ref-type="fig" rid="f01001">Central Illustration</xref>).</p>
      </sec>
      <sec id="suppl01a001" sec-type="supplementary-material">
        <title>Supplemental Materials</title>
        <supplementary-material id="suppl01_en">
          <label>Material Suplementar</label>
          <media mime-subtype="pdf" mimetype="application" xlink:href="https://minio.scielo.br/documentstore/1678-4170/vfNf5nd477wvD8Y394W855r/839c8d7e30a7592fcd9ef212da6dc714f1f7e16d.pdf"/>
        </supplementary-material>
      </sec>
    </body>
    <back>
      <ack>
        <title>Acknowledgements</title>
        <p>The authors would like to thank Ver&#244;nica Colpani for conducting the meta-analysis that supports the review presented.</p>
      </ack>
      <fn-group>
        <fn fn-type="other">
          <label>Study Association:</label>
          <p> This study is not associated with any thesis or dissertation work.</p>
        </fn>
        <fn fn-type="other">
          <label>Ethics Approval and Consent to Participate:</label>
          <p> This article does not contain any studies with human participants or animals performed by any of the authors.</p>
        </fn>
        <fn fn-type="data-availability" specific-use="data-in-article">
          <label>Availability of Research Data</label>
          <p>The underlying content of the research text is contained within the manuscript.</p>
        </fn>
        <fn fn-type="supplementary-material" id="s2">
          <label>*Supplemental Materials</label>
          <p> For additional information, please <ext-link ext-link-type="uri" xlink:href="http://abccardiol.org/supplementary-material/2026/12305/2025-0622_AR_Material_Suplementar.pdf">click here</ext-link>.</p>
        </fn>
        <fn fn-type="financial-disclosure">
          <label>Sources of Funding:</label>
          <p> There were no external funding sources for this study.</p>
        </fn>
      </fn-group>
    </back>
  </sub-article>
</article>
