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  <front>
    <journal-meta>
      <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-loc>S&#227;o Paulo, SP, Brazil</publisher-loc>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="publisher-id" specific-use="scielo-v3">hBmJZkvwP3nxQ3ffqzQsGrj</article-id>
      <article-id pub-id-type="other">00008</article-id>
      <article-id pub-id-type="publisher-id" specific-use="scielo-v2">S0066-782X1997001100008</article-id>
      <article-id pub-id-type="publisher-id" specific-use="scielo-v1">S0066-782X(97)06900508</article-id>
      <article-id pub-id-type="doi">10.1590/S0066-782X1997001100008</article-id>
      <article-categories>
        <subj-group subj-group-type="heading">
          <subject>Relato de Casos</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title>Persist&#234;ncia do canal arterial e endarterite da art&#233;ria pulmonar</article-title>
        <trans-title-group xml:lang="en">
          <trans-title>Patent ductus arteriosus and pulmonary artery endarteritis</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name>
            <surname>Rivera</surname>
            <given-names>Ivan Romero</given-names>
          </name>
          <xref ref-type="aff" rid="aff01"/>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Mois&#233;s</surname>
            <given-names>Valdir Ambr&#243;sio</given-names>
          </name>
          <xref ref-type="aff" rid="aff01"/>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Brand&#227;o</surname>
            <given-names>Anselmo Cotrim</given-names>
          </name>
          <xref ref-type="aff" rid="aff01"/>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Silva</surname>
            <given-names>Celia Camelo</given-names>
          </name>
          <xref ref-type="aff" rid="aff01"/>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Andrade</surname>
            <given-names>Jos&#233; L&#225;zaro</given-names>
          </name>
          <xref ref-type="aff" rid="aff01"/>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Carvalho</surname>
            <given-names>Antonio Carlos</given-names>
          </name>
          <xref ref-type="aff" rid="aff01"/>
        </contrib>
      </contrib-group>
      <aff id="aff01">
        <addr-line>
          <named-content content-type="state">S&#227;o Paulo</named-content>
        </addr-line>
        <institution content-type="orgname">Universidade Federal de S&#227;o Paulo</institution>
        <institution content-type="orgdiv1">Escola Paulista de Medicina </institution>
        <country country="BR">Brazil</country>
      </aff>
      <pub-date date-type="collection" publication-format="electronic">
        <month>11</month>
        <year>1997</year>
      </pub-date>
      <volume>69</volume>
      <issue>5</issue>
      <fpage>335</fpage>
      <lpage>338</lpage>
      <history>
        <date date-type="received">
          <day>14</day>
          <month>08</month>
          <year>1997</year>
        </date>
        <date date-type="accepted">
          <day>16</day>
          <month>09</month>
          <year>1997</year>
        </date>
      </history>
      <permissions>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by-nc/4.0/" xml:lang="en">
          <license-p>This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.</license-p>
        </license>
      </permissions>
      <abstract>
        <p>Descrevemos uma paciente de sete anos com diagn&#243;stico ecocardiogr&#225;fico e confirma&#231;&#227;o cir&#250;rgica de endarterite de art&#233;ria pulmonar, citada como complica&#231;&#227;o da persist&#234;ncia do canal arterial e ilustramos a necessidade de ressec&#231;&#227;o cir&#250;rgica completa do processo infeccioso para evitar outras complica&#231;&#245;es, como embolia pulmonar.</p>
      </abstract>
      <trans-abstract xml:lang="en">
        <p>We describe a seven year old girl with echocardiographic diagnosis of pulmonary artery endarteritis as a complication of a patent ductus arteriosus, confirmed at surgery. This case illustrates the necessity of complete surgical resection of the infectious source as a way to avoid other complications such as pulmonary embolism</p>
      </trans-abstract>
      <pub-date publication-format="electronic" date-type="pub">
        <day>31</day>
        <month>01</month>
        <year>2001</year>
      </pub-date>
    </article-meta>
  </front>
  <body>
    <p>Relato de caso </p>
    <p>
      <bold>Persist&#234;ncia do Canal Arterial e Endarterite da Art&#233;ria Pulmonar</bold>
    </p>
    <p>Ivan Romero Rivera, Valdir Ambr&#243;sio Mois&#233;s, Anselmo Cotrim Brand&#227;o, Celia Camelo Silva, Jos&#233; L&#225;zaro Andrade, Antonio Carlos Carvalho </p>
    <p>
      <bold>S&#227;o Paulo, SP</bold>
    </p>
    <p>
      <italic>Descrevemos uma paciente de sete anos com diagn&#243;stico ecocardiogr&#225;fico e confirma&#231;&#227;o cir&#250;rgica de endarterite de art&#233;ria pulmonar, citada como complica&#231;&#227;o da persist&#234;ncia do canal arterial e ilustramos a necessidade de ressec&#231;&#227;o cir&#250;rgica completa do processo infeccioso para evitar outras complica&#231;&#245;es, como embolia pulmonar. </italic>
    </p>
    <p>
      <bold>Patent Ductus Arteriosus and Pulmonary Artery Endarteritis</bold>
    </p>
    <p>W<italic>e describe a seven year old girl with echocardiographic diagnosis of pulmonary artery endarteritis as a complication of a patent ductus arteriosus, confirmed at surgery. This case illustrates the necessity of complete surgical resection of the infectious source as a way to avoid other complications such as pulmonary embolism.</italic> </p>
    <p>A endarterite de art&#233;ria pulmonar &#233; uma entidade rara, com poucos casos relatados na literatura, a maioria das vezes presente em usu&#225;rios de drogas endovenosas <sup>1</sup>, ou como complica&#231;&#227;o de <italic>shunts</italic> intracavit&#225;rios <sup>2,3</sup> ou persist&#234;ncia de canal arterial (PCA) <sup>4-6,8</sup>, ou ainda, como complica&#231;&#227;o secund&#225;ria a procedimentos invasivos intracard&#237;acos <sup>7</sup>. </p>
    <p>Apresentamos um caso de endarterite de art&#233;ria pulmonar em paciente com PCA, diagnosticado mediante ecocardiografia bidimensional e submetida a tratamento cir&#250;rgico com boa evolu&#231;&#227;o. </p>
    <p>Relato do Caso </p>
    <p>Paciente de sete anos, branca, sexo feminino, 17kg de peso, com antecedente pregresso de ausculta de sopro desde a inf&#226;ncia, que come&#231;ou a apresentar febre di&#225;ria de 40,2<sup>o</sup>C oito meses antes da nossa avalia&#231;&#227;o, tendo nessa &#233;poca feito uso de Bactrim durante sete dias sem melhora do quadro. Tr&#234;s meses depois do in&#237;cio da febre come&#231;ou a apresentar anemia importante, sendo que 25 dias antes de ser transferida para a nossa institui&#231;&#227;o foi feita hemotransfus&#227;o e realizada tomografia abdominal, constatando-se hepatomegalia. Na &#233;poca come&#231;ou a apresentar tosse seca e hemat&#250;ria. Ainda, tr&#234;s dias antes da nossa avalia&#231;&#227;o, foi realizado ecocardiograma (ECO) que diagnosticou persist&#234;ncia do canal arterial e endocardite de valva pulmonar. </p>
    <p>A paciente ingressou no hospital em regular estado geral, descorada ++++, hidratada, febril (39<sup>o</sup>C), anict&#233;rica, acian&#243;tica, dispn&#233;ica, taquic&#225;rdica. Apresentava ictus vis&#237;vel e palp&#225;vel no 6&#186; espa&#231;o intercostal esquerdo/linha axilar m&#233;dia; fr&#234;mito sist&#243;lico palp&#225;vel no prec&#243;rdio e ausculta de 3&#170; e 4&#170;bulhas, sopro cont&#237;nuo +++/6 na regi&#227;o paraesternal esquerda alta e 2&#170; bulha hiperfon&#233;tica. O abd&#244;men era globoso, normotenso, doloroso &#224; palpa&#231;&#227;o, com ru&#237;dos hidroa&#233;reos presentes, f&#237;gado palp&#225;vel a 6cm e ba&#231;o a aproximadamente 9cm do rebordo costal. Os membros inferiores apresentavam pet&#233;quias e edema +. N&#227;o havia sinais men&#237;ngeos e a otoscopia era normal. Realizado hemograma que mostrou: hem&#225;cias: 2,4 x 10<sup>6</sup>/mm<sup>3</sup>; hemoglobina de 6,8g/dl; hemat&#243;crito de 21%; plaquetas de 90000/mm<sup>3</sup>, VHS de 90mm na 1<underline><sup>a</sup></underline> hora e leuc&#243;citos de 10700, sem neutrofilia. </p>
    <p>O eletrocardiograma mostrou taquicardia sinusal com freq&#252;&#234;ncia card&#237;aca (FC) de 130bpm, sobrecarga biatrial e ventricular esquerda e altera&#231;&#245;es difusas da repolariza&#231;&#227;o ventricular (<xref ref-type="fig" rid="figura1">fig. 1</xref>), e &#224; radiografia de t&#243;rax, cardiomegalia ++ e hiperfluxo pulmonar bilateral. </p>
    <fig id="figura1">
      <graphic xlink:href="1678-4170-abc-69-05-0335-00008-gf01.jpg"/></fig>
    <p>O ECO mostrou <italic>situs solitus</italic>, concord&#226;ncia atrioventricular e ventr&#237;culo-arterial, septos interatrial e interventricular &#237;ntegros, dilata&#231;&#227;o discreta do &#225;trio esquerdo, dilata&#231;&#227;o e hipertrofia discretas do ventr&#237;culo direito, fun&#231;&#227;o sist&#243;lica normal de ambos os ventr&#237;culos, valvas atrioventriculares normais com refluxos discretos, valva pulmonar com vegeta&#231;&#227;o de aproximadamente 4mm aderida a sua face arterial e refluxo valvar moderado, PCA medindo 10mm de di&#226;metro com fluxo esquerda-direita ao estudo com Doppler e mapeamento de fluxo a cores e presen&#231;a de m&#250;ltiplas vegeta&#231;&#245;es no interior do tronco e art&#233;rias pulmonares, sendo a maior de 18mm (<xref ref-type="fig" rid="figura2">fig. 2</xref>). A press&#227;o sist&#243;lica da art&#233;ria pulmonar foi estimada em 90mmHg. </p>
    <fig id="figura2">
      <graphic xlink:href="1678-4170-abc-69-05-0335-00008-gf02.jpg"/></fig>
    <p>As hemoculturas evidenciaram crescimento de <italic>Streptococcus Milleri</italic>, sens&#237;vel a penicilina. Foi iniciada antibioticoterapia com penicilina cristalina na dose de 150000 UI/kg/dia e amicacina na dose de 15mg/kg/dia. Ap&#243;s a introdu&#231;&#227;o do antibi&#243;tico a paciente come&#231;ou a apresentar melhora do estado geral, mantendo-se por&#233;m, ainda febril. </p>
    <p>Realizada cintilografia pulmonar de perfus&#227;o que mostrou &#225;reas de hipoconcentra&#231;&#227;o an&#244;mala do radioindicador nos segmentos p&#243;stero-basal do lobo inferior, anterior do lobo superior do pulm&#227;o esquerdo e segmento p&#243;stero-basal do lobo inferior do pulm&#227;o direito. </p>
    <p>A partir do 14&#186; dia as hemoculturas foram est&#233;reis, sendo suspensa a amicacina e introduzida gentamicina na dose de 5mg/kg/dia. Foi realizado cateterismo card&#237;aco para investiga&#231;&#227;o de aneurisma mic&#243;tico em art&#233;ria pulmonar, com resultado negativo. </p>
    <p>A paciente foi submetida a tratamento cir&#250;rgico 37 dias ap&#243;s a interna&#231;&#227;o, em bom estado geral e afebril. Pela presen&#231;a de infec&#231;&#227;o latente no local, n&#227;o foi realizada ressec&#231;&#227;o do canal arterial, que foi fechado, mediante ligadura das extremidades a&#243;rtica e pulmonar e da sua regi&#227;o central. </p>
    <p>Apresentou boa evolu&#231;&#227;o imediata, em uso de penicilina e gentamicina. Um dia ap&#243;s a cirurgia apresentou tr&#234;s epis&#243;dios de taquipn&#233;ia, cianose, hipertonia de membros e bradicardia (FC 40-50bpm), sendo diagnosticado embolia pulmonar. O ECO mostrou ainda vegeta&#231;&#245;es na art&#233;ria pulmonar e a ultra-sonografia pulmonar espessamento pleural &#224; esquerda sem derrame. Foi indicada nova interven&#231;&#227;o cir&#250;rgica, realizada 12 dias ap&#243;s a 1&#170; cirurgia, com abertura do tronco pulmonar, limpeza do local e extra&#231;&#227;o de todas as vegeta&#231;&#245;es. O ECO p&#243;s-operat&#243;rio mostrou tronco e art&#233;rias pulmonares livres de vegeta&#231;&#245;es. </p>
    <p>Apresentou boa evolu&#231;&#227;o p&#243;s-operat&#243;ria e 10 dias depois foi dada de alta em TF I, afebril, em uso de digoxina (10&#181;g/kg/dia ). Na &#250;ltima avalia&#231;&#227;o, um m&#234;s ap&#243;s a cirurgia, encontrava-se assintom&#225;tica e sem medica&#231;&#227;o. </p>
    <p>Discuss&#227;o </p>
    <p>Apesar da PCA ser freq&#252;entemente citada como fator de risco para o desenvolvimento de endocardite infecciosa, existem poucos relatos da literatura que documentem esta associa&#231;&#227;o <sup>4-6,8</sup>. </p>
    <p>Vargas-Barron e col <sup>4</sup> descreveram, em 1985, os sinais ecocardiogr&#225;ficos para o diagn&#243;stico de endarterite da art&#233;ria pulmonar secund&#225;ria &#224; PCA, provavelmente o 1&#186; relato ecocardiogr&#225;fico da doen&#231;a. </p>
    <p>Nosso caso &#233; interessante n&#227;o s&#243; pela evolu&#231;&#227;o prolongada da doen&#231;a, mas tamb&#233;m pela exuber&#226;ncia das les&#245;es, tanto na valva pulmonar como no tronco e ramos da art&#233;ria pulmonar. A maioria dos relatos descreve forma&#231;&#227;o de aneurisma mic&#243;tico nos ramos da art&#233;ria pulmonar em casos com evolu&#231;&#227;o prolongada, fato que n&#227;o ocorreu nesta paciente. </p>
    <p>O cateterismo card&#237;aco nesta doen&#231;a deve ser realizado para verificar a presen&#231;a de aneurismas mic&#243;ticos, sempre que o ECO n&#227;o demonstrar esta complica&#231;&#227;o, apesar do risco potencial de embolia pulmonar durante a interven&#231;&#227;o <sup>4</sup>. </p>
    <p>Nosso caso ainda ilustra a malignidade da doen&#231;a quando o foco de infec&#231;&#227;o n&#227;o &#233; ressecado, persistindo como fonte embol&#237;gena e causa de insucesso terap&#234;utico. </p>
    <p>Devem ser realizados exames adequados em pacientes com febre prolongada e, principalmente, obter-se a visibiliza&#231;&#227;o da art&#233;ria pulmonar pelos planos ecocardiogr&#225;ficos supraesternais em todos estes pacientes, principalmente em crian&#231;as com antecedentes de doen&#231;a card&#237;aca cong&#234;nita. </p>
    <p>Escola Paulista de Medicina - UNIFESP, S&#227;o Paulo </p>
    <p> Correspond&#234;ncia: Antonio C. Carvalho - Av. Jandira 731/23 - 04080-004 - S&#227;o Paulo, SP </p>
    <p> Recebido para publica&#231;&#227;o em 14/8/97 </p>
    <p> Aceito em 16/9/97 </p>
  </body>
  <back>
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