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  <front>
    <journal-meta>
      <journal-id journal-id-type="publisher-id">abcic</journal-id>
      <journal-title-group>
        <journal-title>ABC Imagem Cardiovascular</journal-title>
        <abbrev-journal-title abbrev-type="publisher">ABC Imagem Cardiovasc.</abbrev-journal-title>
      </journal-title-group>
      <issn pub-type="ppub">2318-8219</issn>
      <issn pub-type="epub">2675-312X</issn>
      <publisher>
        <publisher-name>Departamento de Imagem Cardiovascular da Sociedade Brasileira de Cardiolodia (DIC/SBC)</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id specific-use="scielo-v3" pub-id-type="publisher-id">c85NBcdVB6dR9XWSTtCgGBg</article-id>
      <article-id specific-use="scielo-v2" pub-id-type="publisher-id">S2675-312X2026000201001</article-id>
      <article-id pub-id-type="other">01001</article-id>
      <article-id pub-id-type="doi">10.36660/abcimg.20260076i</article-id>
      <article-categories>
        <subj-group subj-group-type="heading">
          <subject>Short Editorial</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title>A New Frontier in Cardiovascular Prevention: Beyond Prohibition, Clinical Management of Anabolic Steroid Users</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0003-1254-6820</contrib-id>
          <name>
            <surname>Roston</surname>
            <given-names>Fabio</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
          <xref ref-type="corresp" rid="c1"/>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0009-0003-6651-3984</contrib-id>
          <name>
            <surname>Ribeiro</surname>
            <given-names>Alexandre Aby Azar</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0009-0006-3852-1858</contrib-id>
          <name>
            <surname>Makiniks</surname>
            <given-names>Naiara Caroline</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0009-0007-0368-6123</contrib-id>
          <name>
            <surname>Ribeiro</surname>
            <given-names>Luiz Felipe Branco</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0009-0004-9438-1971</contrib-id>
          <name>
            <surname>Ziegler</surname>
            <given-names>Liliana Ludwing</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
        <aff id="aff1">
          <label>1</label>
          <institution content-type="orgname">Hospital Norte Paranaense</institution>
          <addr-line>
            <named-content content-type="city">Arapongas</named-content>
            <named-content content-type="state">PR</named-content>
          </addr-line>
          <country country="BR">Brazil</country>
          <institution content-type="original">Hospital Norte Paranaense (HONPAR), Arapongas, PR &#8211; Brazil</institution>
        </aff>
      </contrib-group>
      <author-notes>
        <corresp id="c1"><label>Mailing Address:</label><bold>Fabio Roston</bold> &#8226; Hospital Norte Paranaense. Rod Pr 218, Km 1. Postal code: <postal-code>86702-420</postal-code>. Arapongas, PR &#8211; Brazil E-mail: <email>fabioroston7@yahoo.com.br</email> </corresp>
      </author-notes>
      <pub-date date-type="pub" publication-format="electronic">
        <day>31</day>
        <month>07</month>
        <year>2026</year>
      </pub-date>
      <pub-date date-type="collection" publication-format="electronic">
        <year>2026</year>
      </pub-date>
      <volume>39</volume>
      <issue>2</issue>
      <elocation-id>e20260076</elocation-id>
      <permissions>
        <license license-type="open-access" xlink:href="https://creativecommons.org/licenses/by/4.0/" xml:lang="en">
          <license-p>This is an open-access article distributed under the terms of the Creative Commons Attribution License</license-p>
        </license>
      </permissions>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>Myocardial Infarction</kwd>
        <kwd>Anabolic Androgenic Steroids</kwd>
        <kwd>Cardiomyopathies</kwd>
      </kwd-group>
      <counts>
        <fig-count count="0"/>
        <table-count count="0"/>
        <equation-count count="0"/>
        <ref-count count="9"/>
      </counts>
    </article-meta>
  </front>
  <body>
    <p>The traditional approach to Anabolic-Androgenic Steroid (AAS) use has been largely driven by prohibition and stigma. However, with prevalence rates reaching as high as 31.6% in specific populations in Brazil,<sup><xref ref-type="bibr" rid="B1">1</xref></sup> it has become imperative for the medical community to shift its paradigm: moving from a reactive response to acute events toward a strategic, vigilant, and proactive approach to AAS users. The current challenge is not merely to discourage use, but to identify subclinical cardiovascular disease at an early stage in young individuals who, despite an appearance of robust health, may harbor potentially fatal substrates for Acute Myocardial Infarction (AMI).</p>
    <sec>
      <title>Subclinical Diagnosis: The Role of Advanced Echocardiography</title>
      <p>Conventional cardiac assessment often fails to detect early damage, as Left Ventricular Ejection Fraction (LVEF) may remain within normal limits despite established myocardial injury. The literature highlights that AAS users exhibit alterations in cardiac geometry and function, including pathological hypertrophy, diastolic dysfunction, and biventricular impairment.<sup><xref ref-type="bibr" rid="B2">2</xref>,<xref ref-type="bibr" rid="B3">3</xref></sup></p>
      <p>In this setting, echocardiography incorporating advanced measurements such as myocardial strain has emerged as an essential diagnostic tool. Although LVEF may remain preserved during the early stages, myocardial deformation (strain) analysis enables the detection of incipient systolic dysfunction resulting from fibrosis and myofibrillar destruction caused by the direct toxic effects of androgens. Recent studies have demonstrated that both current and former AAS users may exhibit persistent biventricular cardiomyopathy,<sup><xref ref-type="bibr" rid="B4">4</xref></sup> reinforcing the need for continuous monitoring.</p>
    </sec>
    <sec>
      <title>Unmasking Occult Dysfunction: Exercise Stress Echocardiography with Global Longitudinal Strain</title>
      <p>If resting evaluation is already insufficient to detect early cardiomyopathy in AAS users, exercise stress echocardiography (performed on a treadmill or cycle ergometer) adds a critical diagnostic dimension by assessing contractile reserve and hemodynamic response under conditions that mimic the physiological demands of resistance training and competitive athletic activity. Unlike pharmacologic stress testing, exercise-based stress reproduces the real-world conditions under which these individuals frequently develop symptoms &#8212; atypical chest pain, disproportionate dyspnea, presyncope, or unexplained declines in performance &#8212; and, in this context, abnormalities concealed at rest often become evident.<sup><xref ref-type="bibr" rid="B5">5</xref></sup></p>
      <p>The integration of exercise myocardial strain imaging (global and regional longitudinal deformation acquired at peak exercise or immediately during recovery) represents a major advancement in this evaluation. In healthy hearts, a progressively increased Global Longitudinal Strain (GLS) is expected during exercise, reflecting preserved contractile reserve. In AAS users, even when resting LVEF and GLS remain within normal ranges, attenuation or reversal of the expected GLS augmentation under stress is frequently observed, along with regional heterogeneity &#8212; findings consistent with subclinical interstitial fibrosis, microvascular ischemia, and early exhaustion of myocardial reserve.</p>
      <p>This pattern is particularly valuable for three reasons. First, it provides an early functional marker of androgen-induced cardiomyopathy, capable of identifying the transition from adaptive hypertrophy to pathological remodeling before overt clinical manifestations develop. Second, it allows for arrhythmogenic risk stratification, as regions exhibiting abnormal strain during exercise often correspond to electrically unstable substrates &#8212; a critical consideration in a population with an elevated incidence of sudden cardiac death. Third, it offers an objective and reproducible endpoint for longitudinal follow-up, enabling assessment of reversibility after AAS discontinuation and evaluation of therapeutic response to interventions such as Renin-Angiotensin-Aldosterone System (RAAS) blockade and intensive lipid-lowering therapy.</p>
      <p>In clinical practice, stress echocardiography with GLS should be considered for symptomatic users, individuals with borderline abnormalities on resting studies (GLS at the lower limit of normal, concentric hypertrophy, or early diastolic dysfunction), and as a pre-participation screening tool for strength athletes with a current or prior history of AAS use. The combination of functional capacity data, blood pressure response to exercise, electrocardiographic findings, and regional myocardial deformation under stress provides a substantially more sensitive risk profile than any single modality alone.</p>
    </sec>
    <sec>
      <title>Myocardial Work: Refining the Assessment of Steroid-Induced Cardiotoxicity</title>
      <p>One important limitation of GLS is its dependence on afterload. In a population in which systemic hypertension and sustained elevations in systolic blood pressure during exercise are almost the norm &#8212; as is often the case among chronic AAS users &#8212; a reduction in GLS may underestimate true myocardial injury or, conversely, may reflect hemodynamic status more than underlying myocardial damage. It is precisely within this gap that myocardial work analysis derived from GLS finds its most elegant application.</p>
      <p>This method integrates the longitudinal strain curve with an estimated left ventricular pressure curve (derived from noninvasive brachial blood pressure measurements), generating a pressure&#8211;strain loop from which four indices are derived: Global Work Index (GWI), Global Constructive Work (GCW) &#8212; the energy effectively converted into ventricular ejection &#8212; Global Wasted Work (GWW) &#8212; energy dissipated through out-of-phase shortening and lengthening &#8212; and Global Work Efficiency (GWE). By incorporating afterload into the analysis, these indices provide a functional assessment that is relatively independent of hemodynamic conditions, overcoming one of the major methodological limitations of GLS alone in hypertensive and hypertrophic patients.</p>
      <p>Within the specific context of AAS-related cardiotoxicity, this refinement is particularly relevant. Riou and colleagues<sup><xref ref-type="bibr" rid="B6">6</xref></sup> compared strength athletes using AAS, athletes with Hypertrophic Cardiomyopathy (HCM), and healthy athletic controls. Although both hypertrophic groups demonstrated reduced longitudinal strain, GWE was significantly lower in both AAS users and HCM patients compared with controls (approximately 90% versus 93%). Even more noteworthy was the regional pattern identified: in AAS users, abnormalities in constructive work and efficiency were predominantly localized to the basal septal segments, whereas in HCM, impairment involved both septal and apical segments. This finding provides an additional diagnostic perspective: regional myocardial work mapping may help differentiate androgen-induced toxic hypertrophy from genetically mediated hypertrophy, a clinically critical differential diagnosis in athletes presenting with septal thickening.</p>
      <p>From a pathophysiological standpoint, reduced efficiency and increased wasted work reflect segmental dyssynchrony and subclinical interstitial fibrosis resulting from the direct toxic effects of androgens on cardiomyocytes, including myofibrillar destruction, increased collagen synthesis, and electrical remodeling that predisposes individuals to sudden cardiac death.<sup><xref ref-type="bibr" rid="B7">7</xref></sup> Myocardial work, therefore, represents a marker that integrates functional, mechanical, and potentially prognostic information within a single tool, readily incorporated into resting echocardiographic protocols and, in more advanced centers, into stress echocardiographic evaluations as well.</p>
      <p>Accordingly, incorporating myocardial work analysis into the assessment of AAS users should be viewed as a natural refinement step of strain-based evaluation: it adds pathophysiological specificity, reduces the confounding influence of afterload, and provides regional information that may guide differential diagnosis and, potentially, therapeutic monitoring. It should be emphasized, however, that myocardial work remains a promising and physiologically elegant tool, but it has not yet been fully established as a dominant clinical marker.</p>
      <p>Myocardial work assessment through strain imaging &#8212; both at rest and during stress testing &#8212; represents a promising yet still evolving area of investigation in the characterization of the cardiac effects of AASs. Significant gaps remain regarding the establishment of population-specific reference values, the definition of prognostically validated cutoff points, the reversibility of abnormalities following cessation of AAS use, and the impact of therapeutic interventions on myocardial deformation over time. Advancing this field will require robust multicenter longitudinal studies capable of validating the clinical applicability of the method and supporting structured protocols for prevention, early diagnosis, prognostic improvement, and therapeutic monitoring in this unique patient population.</p>
    </sec>
    <sec>
      <title>Active Detection of Atherosclerosis: Coronary CT Angiography</title>
      <p>The notion that young AAS users are free from atherosclerosis is a dangerous myth. AAS accelerates atherosclerosis through profound disruption of lipid metabolism, increasing Low-Density Lipoprotein (LDL) cholesterol via hepatic lipase activity while simultaneously reducing High-Density Lipoprotein (HDL) cholesterol.<sup><xref ref-type="bibr" rid="B2">2</xref></sup> Even more concerning is the presence of perivascular inflammation, which may occur even in individuals with very low body fat percentages.<sup><xref ref-type="bibr" rid="B8">8</xref></sup></p>
      <p>Coronary CT Angiography (CCTA) should be considered as part of an active screening strategy for coronary artery disease in these patients. The CRISP-CT study demonstrated that the Fat Attenuation Index (FAI) measured on CCTA can detect coronary inflammation even before the development of obstructive plaques. Given that AAS users exhibit increased perivascular inflammation and endothelial oxidative stress,<sup><xref ref-type="bibr" rid="B8">8</xref></sup> CCTA provides substantially more precise risk stratification than traditional clinical risk scores, enabling early identification of patients at risk for plaque rupture or endothelial erosion.</p>
    </sec>
    <sec>
      <title>Aggressive Treatment and Therapeutic Alliance</title>
      <p>Once risk has been identified, management of comorbidities should be aggressive and multifactorial. Intervention cannot be limited solely to discontinuation of AAS use, which often requires support from a multidisciplinary team due to body image disturbances and anxiety-related disorders. Clinical management should include:</p>
      <list list-type="bullet">
        <list-item>
          <p>Rigorous Lipid Control: Use of high-intensity statin therapy to mitigate accelerated atherosclerosis and endothelial dysfunction.</p>
        </list-item>
        <list-item>
          <p>Hypertension and RAAS Management: AAS use leads to hyperactivation of the RAAS, promoting fibrosis and hypertrophy. Pharmacologic blockade of this system is critical to preventing cardiomyopathy progression.</p>
        </list-item>
        <list-item>
          <p>Prothrombotic Surveillance: Given the hypercoagulable state associated with increased levels of coagulation factors II, IX, and XI, ongoing assessment of thrombotic risk is warranted.<sup><xref ref-type="bibr" rid="B9">9</xref></sup></p>
        </list-item>
      </list>
      <p>In summary, physicians&#8217; approach to AAS users should be grounded in the science of prevention. By leveraging technologies such as resting and exercise strain imaging, stress echocardiography with GLS, and CCTA, clinicians no longer need to wait for a myocardial infarction to occur before intervening. Instead, they can act during the silent phase of disease, when pathology is already present but still amenable to treatment.</p>
    </sec>
  </body>
  <back>
    <fn-group>
      <fn fn-type="other" id="fn1">
        <p>Short Editorial related to the article: Anabolic-Androgenic Steroids and Acute Myocardial Infarction in Young Adults: A Literature Review Based on a Case Series</p>
      </fn>
    </fn-group>
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  </back>
  <sub-article article-type="translation" id="S1" xml:lang="pt">
    <front-stub>
      <article-id pub-id-type="doi">10.36660/abcimg.20260076</article-id>
      <article-categories>
        <subj-group subj-group-type="heading">
          <subject>Minieditorial</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title>A Nova Fronteira na Preven&#231;&#227;o Cardiovascular: Al&#233;m da Proibi&#231;&#227;o, o Manejo Cl&#237;nico do Usu&#225;rio de Esteroides</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0003-1254-6820</contrib-id>
          <name>
            <surname>Roston</surname>
            <given-names>Fabio</given-names>
          </name>
          <xref ref-type="aff" rid="aff2">
            <sup>1</sup>
          </xref>
          <xref ref-type="corresp" rid="c2"/>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0009-0003-6651-3984</contrib-id>
          <name>
            <surname>Ribeiro</surname>
            <given-names>Alexandre Aby Azar</given-names>
          </name>
          <xref ref-type="aff" rid="aff2">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0009-0006-3852-1858</contrib-id>
          <name>
            <surname>Makiniks</surname>
            <given-names>Naiara Caroline</given-names>
          </name>
          <xref ref-type="aff" rid="aff2">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0009-0007-0368-6123</contrib-id>
          <name>
            <surname>Ribeiro</surname>
            <given-names>Luiz Felipe Branco</given-names>
          </name>
          <xref ref-type="aff" rid="aff2">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0009-0004-9438-1971</contrib-id>
          <name>
            <surname>Ziegler</surname>
            <given-names>Liliana Ludwing</given-names>
          </name>
          <xref ref-type="aff" rid="aff2">
            <sup>1</sup>
          </xref>
        </contrib>
        <aff id="aff2">
          <label>1</label>
          <addr-line>
            <named-content content-type="city">Arapongas</named-content>
            <named-content content-type="state">PR</named-content>
          </addr-line>
          <country country="BR">Brasil</country>
          <institution content-type="original">Hospital Norte Paranaense (HONPAR), Arapongas, PR &#8211; Brasil</institution>
        </aff>
      </contrib-group>
      <author-notes>
        <corresp id="c2"><label>Correspond&#234;ncia:</label><bold>Fabio Roston</bold> &#8226; Hospital Norte Paranaense. Rod Pr 218, Km 1. CEP: <postal-code>86702-420</postal-code>. Arapongas, PR &#8211; Brasil E-mail: <email>fabioroston7@yahoo.com.br</email> </corresp>
      </author-notes>
      <kwd-group xml:lang="pt">
        <title>Palavras-chave</title>
        <kwd>Myocardial Infarction</kwd>
        <kwd>Anabolic Androgenic Steroids</kwd>
        <kwd>Cardiomyopathies</kwd>
      </kwd-group>
    </front-stub>
    <body>
      <p>A abordagem tradicional ao uso de esteroides anabolizantes androg&#234;nicos (EAA) tem sido pautada majoritariamente pela proibi&#231;&#227;o e pelo estigma. No entanto, com a preval&#234;ncia do uso atingindo at&#233; 31,6% em nichos espec&#237;ficos no Brasil,<sup><xref ref-type="bibr" rid="B1">1</xref></sup> torna-se imperativo que a comunidade m&#233;dica mude o paradigma: &#233; necess&#225;rio transitar da reatividade diante do evento agudo para uma aproxima&#231;&#227;o estrat&#233;gica e vigilante do usu&#225;rio. O desafio atual n&#227;o &#233; apenas desencorajar o uso, mas identificar precocemente a cardiopatia subcl&#237;nica em indiv&#237;duos jovens que, sob uma apar&#234;ncia de sa&#250;de vigorosa, podem esconder substratos fatais para o Infarto Agudo do Mioc&#225;rdio (IAM).</p>
      <sec>
        <title>Diagn&#243;stico Subcl&#237;nico: O Papel do Ecocardiograma Avan&#231;ado</title>
        <p>A avalia&#231;&#227;o card&#237;aca convencional muitas vezes falha em detectar danos precoces, pois a Fra&#231;&#227;o de Eje&#231;&#227;o do Ventr&#237;culo Esquerdo (FEVE) pode permanecer normal mesmo na presen&#231;a de les&#227;o mioc&#225;rdica instalada. As fontes destacam que usu&#225;rios de EAA apresentam altera&#231;&#245;es na geometria e fun&#231;&#227;o card&#237;aca, incluindo hipertrofia patol&#243;gica, disfun&#231;&#227;o diast&#243;lica e comprometimento biventricular.<sup><xref ref-type="bibr" rid="B2">2</xref>,<xref ref-type="bibr" rid="B3">3</xref></sup></p>
        <p>Nesse cen&#225;rio, o uso do ecocardiograma com medidas avan&#231;adas, como o <italic>strain</italic> mioc&#225;rdico, surge como uma ferramenta essencial. Embora a FEVE possa estar preservada em est&#225;gios iniciais, a an&#225;lise da deforma&#231;&#227;o mioc&#225;rdica (<italic>strain</italic>) permite identificar a disfun&#231;&#227;o sist&#243;lica incipiente decorrente da fibrose e da destrui&#231;&#227;o de miofibrilas causadas pela toxicidade direta dos andr&#243;genos. Estudos recentes j&#225; demonstram que tanto usu&#225;rios atuais quanto antigos apresentam cardiomiopatia biventricular persistente,<sup><xref ref-type="bibr" rid="B4">4</xref></sup> refor&#231;ando a necessidade de monitoramento cont&#237;nuo.</p>
      </sec>
      <sec>
        <title>Desmascarando a Disfun&#231;&#227;o Oculta: Ecocardiograma sob Estresse F&#237;sico com Strain Longitudinal Global</title>
        <p>Se a avalia&#231;&#227;o em repouso j&#225; se mostra insuficiente para flagrar a cardiopatia incipiente do usu&#225;rio de EAA, a ecocardiografia sob estresse com esfor&#231;o f&#237;sico (em esteira ou cicloerg&#244;metro) acrescenta uma camada diagn&#243;stica fundamental: a avalia&#231;&#227;o da reserva contr&#225;til e da resposta hemodin&#226;mica em condi&#231;&#245;es que mimetizam a sobrecarga do treinamento de for&#231;a e da rotina de competi&#231;&#227;o. Diferentemente do estresse farmacol&#243;gico, o esfor&#231;o f&#237;sico reproduz o cen&#225;rio real em que esses indiv&#237;duos manifestam sintomas como dor tor&#225;cica at&#237;pica, dispneia desproporcional, pr&#233;-s&#237;ncope ou queda inexplicada de performance. &#201; nesse contexto que se revelam altera&#231;&#245;es que permanecem silenciosas no repouso.<sup><xref ref-type="bibr" rid="B5">5</xref></sup></p>
        <p>A integra&#231;&#227;o do <italic>strain</italic> mioc&#225;rdico de esfor&#231;o (deforma&#231;&#227;o longitudinal global [GLS] e regional adquirida no pico ou imediatamente ap&#243;s o exerc&#237;cio) representa um avan&#231;o significativo nessa avalia&#231;&#227;o. Em cora&#231;&#245;es saud&#225;veis, espera-se um incremento progressivo da GLS durante o esfor&#231;o, refletindo reserva contr&#225;til preservada. Em usu&#225;rios de EAA, entretanto, mesmo na presen&#231;a de FEVE e GLS de repouso dentro da normalidade, &#233; frequente observar atenua&#231;&#227;o ou invers&#227;o do incremento do GLS sob estresse, al&#233;m de heterogeneidade segmentar. Esses achados sugerem a presen&#231;a de fibrose intersticial subcl&#237;nica, isquemia microvascular e exaust&#227;o precoce da reserva mioc&#225;rdica.</p>
        <p>Esse padr&#227;o &#233; particularmente valioso por tr&#234;s motivos. Primeiro, oferece um marcador funcional precoce de cardiomiopatia induzida por andr&#243;genos, capaz de antecipar a transi&#231;&#227;o da hipertrofia adaptativa para a remodela&#231;&#227;o patol&#243;gica. Segundo, permite estratificar risco arritmog&#234;nico, visto que regi&#245;es de <italic>strain</italic> an&#244;malo sob esfor&#231;o frequentemente coincidem com substratos eletricamente inst&#225;veis, aspectos particularmente relevantes em uma popula&#231;&#227;o com maior incid&#234;ncia de morte s&#250;bita. Terceiro, fornece um desfecho objetivo e reproduz&#237;vel para acompanhamento longitudinal, permitindo avaliar reversibilidade ap&#243;s a suspens&#227;o do EAA e resposta &#224;s interven&#231;&#245;es farmacol&#243;gicas, como o bloqueio do SRAA e o controle lip&#237;dico agressivo.</p>
        <p>Na pr&#225;tica, recomenda-se reservar o eco stress com Strain Longitudinal Global para usu&#225;rios sintom&#225;ticos, para aqueles com altera&#231;&#245;es lim&#237;trofes no exame de repouso (GLS no limite inferior da normalidade, hipertrofia conc&#234;ntrica, disfun&#231;&#227;o diast&#243;lica incipiente) e como ferramenta de avalia&#231;&#227;o pr&#233;-participa&#231;&#227;o esportiva em atletas de for&#231;a com hist&#243;ria de uso atual ou pregresso. A combina&#231;&#227;o de dados de capacidade funcional, resposta press&#243;rica ao exerc&#237;cio, comportamento eletrocardiogr&#225;fico e deforma&#231;&#227;o mioc&#225;rdica regional sob estresse comp&#245;e um perfil de risco substancialmente mais sens&#237;vel do que qualquer modalidade isolada.</p>
      </sec>
      <sec>
        <title>Trabalho Mioc&#225;rdico: Refinando a Avalia&#231;&#227;o da Cardiotoxicidade dos Esteroides</title>
        <p>Uma limita&#231;&#227;o importante do Strain Longitudinal Global &#233; a sua depend&#234;ncia da p&#243;s-carga. Em uma popula&#231;&#227;o em que a hipertens&#227;o arterial sist&#234;mica e o aumento sustentado da press&#227;o arterial sist&#243;lica durante o exerc&#237;cio s&#227;o frequentes &#8212; como ocorre nos usu&#225;rios cr&#244;nicos de EAA &#8212; a redu&#231;&#227;o do GLS pode subestimar ou, ao contr&#225;rio, traduzir mais o estado hemodin&#226;mico do que a verdadeira les&#227;o mioc&#225;rdica. &#201; nesse hiato que a an&#225;lise do trabalho mioc&#225;rdico (<italic>myocardial work</italic>) por GLS encontra sua aplica&#231;&#227;o mais elegante.</p>
        <p>O m&#233;todo integra a curva de deforma&#231;&#227;o longitudinal &#224; curva estimada de press&#227;o intraventricular (a partir da press&#227;o arterial braquial n&#227;o invasiva), gerando uma al&#231;a press&#227;o-deforma&#231;&#227;o a partir da qual s&#227;o derivados quatro &#237;ndices: o &#237;ndice de trabalho global (GWI), o trabalho construtivo global (GCW) &#8212; energia efetivamente convertida em eje&#231;&#227;o &#8212;, o trabalho desperdi&#231;ado global (GWW) &#8212; energia dissipada em encurtamento e estiramento fora de fase &#8212; e a efici&#234;ncia de trabalho global (GWE). Ao incorporar a p&#243;s-carga na an&#225;lise, esses &#237;ndices oferecem uma estimativa funcional relativamente independente das condi&#231;&#245;es hemodin&#226;micas, superando uma das principais fragilidades metodol&#243;gicas do GLS isolado em pacientes hipertensos e hipertr&#243;ficos.</p>
        <p>No contexto espec&#237;fico da cardiotoxicidade dos EAA, esse refinamento &#233; particularmente relevante. Riou e colaboradores<sup><xref ref-type="bibr" rid="B6">6</xref></sup> compararam atletas de for&#231;a usu&#225;rios de EAA, atletas com Cardiomiopatia Hipertr&#243;fica (CMH) e atletas-controle saud&#225;veis, demonstrando que, embora ambos os grupos hipertr&#243;ficos apresentassem redu&#231;&#227;o do strain longitudinal, a GWE encontrava-se significativamente reduzida tanto em usu&#225;rios de EAA quanto em portadores de CMH em compara&#231;&#227;o aos controles (cerca de 90% versus 93%). Mais interessante ainda foi o padr&#227;o regional identificado: nos usu&#225;rios de EAA, a altera&#231;&#227;o do trabalho construtivo e da efici&#234;ncia concentrou-se preferencialmente nos segmentos septais basais, ao passo que na CMH o comprometimento envolvia tanto segmentos septais quanto apicais. Esse achado abre uma perspectiva diagn&#243;stica adicional: o mapa regional do trabalho mioc&#225;rdico pode contribuir para diferenciar a hipertrofia t&#243;xica induzida por andr&#243;genos da hipertrofia gen&#233;tica, um diagn&#243;stico diferencial de grande relev&#226;ncia cl&#237;nica em atletas com espessamento septal.</p>
        <p>Do ponto de vista fisiopatol&#243;gico, a queda da efici&#234;ncia e o aumento do trabalho desperdi&#231;ado refletem a dissincronia segmentar e a fibrose intersticial subcl&#237;nica decorrentes da toxicidade direta dos andr&#243;genos sobre o mi&#243;cito &#8212; incluindo a destrui&#231;&#227;o de miofibrilas, o aumento da s&#237;ntese de col&#225;geno e a remodela&#231;&#227;o el&#233;trica que predisp&#245;e &#224; morte s&#250;bita.<sup><xref ref-type="bibr" rid="B7">7</xref></sup> Trata-se, portanto, de um marcador que une informa&#231;&#227;o funcional, mec&#226;nica e potencialmente progn&#243;stica em uma &#250;nica ferramenta, integr&#225;vel ao protocolo do ecocardiograma de repouso e, em centros mais avan&#231;ados, tamb&#233;m ao estudo sob estresse.</p>
        <p>Assim, a incorpora&#231;&#227;o do trabalho mioc&#225;rdico ao arsenal de avalia&#231;&#227;o do usu&#225;rio de EAA deve ser entendida como um refinamento natural sobre a an&#225;lise do <italic>strain</italic>: agrega especificidade fisiopatol&#243;gica, reduz a influ&#234;ncia das varia&#231;&#245;es da p&#243;s-carga e oferece um substrato regional capaz de orientar o diagn&#243;stico diferencial e, futuramente, a monitoriza&#231;&#227;o da resposta terap&#234;utica. Cabe ressaltar, contudo, que o trabalho mioc&#225;rdico &#233; uma ferramenta promissora e fisiologicamente elegante, mas ainda n&#227;o plenamente consolidada como marcador cl&#237;nico dominante.</p>
        <p>Cabe ressaltar, contudo, que a avalia&#231;&#227;o do trabalho mioc&#225;rdico pelo strain &#8212; tanto em repouso quanto sob estresse &#8212; configura uma linha de investiga&#231;&#227;o promissora, por&#233;m ainda em constru&#231;&#227;o, no que tange &#224; caracteriza&#231;&#227;o dos efeitos card&#237;acos dos EAA. Trata-se de um campo aberto, no qual permanecem lacunas relevantes quanto &#224; padroniza&#231;&#227;o de valores de refer&#234;ncia espec&#237;ficos para essa popula&#231;&#227;o, &#224; defini&#231;&#227;o de pontos de corte com valor progn&#243;stico consolidado, &#224; reversibilidade das altera&#231;&#245;es ap&#243;s a suspens&#227;o do uso e ao impacto das interven&#231;&#245;es terap&#234;uticas sobre a deforma&#231;&#227;o mioc&#225;rdica ao longo do tempo. Avan&#231;ar nesse cen&#225;rio demandar&#225; estudos robustos, multic&#234;ntricos e longitudinais, capazes de validar a aplicabilidade cl&#237;nica do m&#233;todo e de subsidiar protocolos estruturados para a preven&#231;&#227;o, o diagn&#243;stico precoce, a melhora do progn&#243;stico e o acompanhamento terap&#234;utico desse perfil singular de paciente.</p>
      </sec>
      <sec>
        <title>Busca Ativa de Aterosclerose: A Angiotomografia de Coron&#225;rias</title>
        <p>A vis&#227;o de que o jovem usu&#225;rio de EAA est&#225; livre de aterosclerose &#233; um mito perigoso. Os EAA promovem uma aterosclerose acelerada atrav&#233;s de um desequil&#237;brio severo no perfil lip&#237;dico, aumentando o Lipoprote&#237;na de Baixa Densidade (LDL) via lipase hep&#225;tica e reduzindo o Lipoprote&#237;na de Alta Densidade (HDL).<sup><xref ref-type="bibr" rid="B2">2</xref></sup> Mais preocupante ainda &#233; a inflama&#231;&#227;o perivascular, que pode ocorrer mesmo em indiv&#237;duos com baixo percentual de gordura corporal.<sup><xref ref-type="bibr" rid="B8">8</xref></sup></p>
        <p>A Angiotomografia de Coron&#225;rias (ATC) deve ser considerada na busca ativa por doen&#231;a coronariana nesses pacientes. O estudo CRISP-CT demonstrou que o &#205;ndice de Atenua&#231;&#227;o de Gordura (FAI) na ATC &#233; capaz de detectar inflama&#231;&#227;o coronariana antes mesmo da forma&#231;&#227;o de placas obstrutivas. Como os usu&#225;rios de EAA apresentam maior inflama&#231;&#227;o perivascular e estresse oxidativo endotelial,<sup><xref ref-type="bibr" rid="B8">8</xref></sup> a ATC permite uma estratifica&#231;&#227;o de risco muito mais precisa do que os escores cl&#237;nicos tradicionais, identificando precocemente o risco de ruptura de placa ou eros&#227;o endotelial.</p>
      </sec>
      <sec>
        <title>Tratamento Agressivo e Alian&#231;a Terap&#234;utica</title>
        <p>Uma vez identificado o risco, o tratamento das comorbidades deve ser agressivo e multifatorial. A interven&#231;&#227;o n&#227;o pode se limitar apenas &#224; suspens&#227;o dos EAA, que muitas vezes requer suporte de uma equipe multidisciplinar devido a transtornos de imagem e ansiedade. O manejo cl&#237;nico deve incluir:</p>
        <list list-type="bullet">
          <list-item>
            <p>Controle Lip&#237;dico Rigoroso: uso de estatinas de alta pot&#234;ncia para mitigar a aterosclerose acelerada e a disfun&#231;&#227;o endotelial.</p>
          </list-item>
          <list-item>
            <p>Manejo da Hipertens&#227;o e do SRAA: o uso de EAA hiperativa o Sistema Renina-Angiotensina-Aldosterona, promovendo fibrose e hipertrofia. O bloqueio farmacol&#243;gico desse sistema &#233; vital para prevenir a progress&#227;o da miocardiopatia.</p>
          </list-item>
          <list-item>
            <p>Vigil&#226;ncia Pr&#243;-tromb&#243;tica: dado o estado de hipercoagulabilidade (aumento de fatores II, IX e XI), a avalia&#231;&#227;o do risco de eventos tromb&#243;ticos deve ser constante.<sup><xref ref-type="bibr" rid="B9">9</xref></sup></p>
          </list-item>
        </list>
        <p>Em suma, a abordagem m&#233;dica dos usu&#225;rios de EAA deve ser pautada pela ci&#234;ncia da preven&#231;&#227;o. Ao utilizar tecnologias como o <italic>strain</italic> em repouso e sob estresse, o eco stress com Strain Longitudinal Global e a ATC, o cl&#237;nico deixa de atuar apenas diante das manifesta&#231;&#245;es cl&#237;nicas estabelecidas da doen&#231;a, intervindo na fase em que a doen&#231;a ainda &#233; silenciosa, mas j&#225; trat&#225;vel.</p>
      </sec>
    </body>
    <back>
      <fn-group>
        <fn fn-type="other" id="fn2">
          <p>Minieditorial referente ao artigo: Esteroides Anabolizantes Androg&#234;nicos e Infarto Agudo do Mioc&#225;rdio em Jovens: Uma Revis&#227;o da Literatura Baseada em S&#233;rie de Casos</p>
        </fn>
      </fn-group>
    </back>
  </sub-article>
</article>
