<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0872-0754</journal-id>
<journal-title><![CDATA[Nascer e Crescer]]></journal-title>
<abbrev-journal-title><![CDATA[Nascer e Crescer]]></abbrev-journal-title>
<issn>0872-0754</issn>
<publisher>
<publisher-name><![CDATA[Centro Hospitalar do Porto]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0872-07542022000200166</article-id>
<article-id pub-id-type="doi">10.25753/birthgrowthmj.v31.i2.20844</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Acute severe myocarditis with cardiac thrombus formation &#9472; A therapeutic challenge]]></article-title>
<article-title xml:lang="pt"><![CDATA[Miocardite aguda grave complicada com trombos intracardíacos - Um desafio terapêutico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[Isabel Ayres]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Teles-Silva]]></surname>
<given-names><![CDATA[Cláudia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gonçalves]]></surname>
<given-names><![CDATA[Edite Serrano]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mota]]></surname>
<given-names><![CDATA[Teresa Cunha da]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sequeira]]></surname>
<given-names><![CDATA[Maria de Lurdes Lisboa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ribeiro]]></surname>
<given-names><![CDATA[António]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Hospitalar Vila Nova de Gaia e Espinho Department of Pediatrics ]]></institution>
<addr-line><![CDATA[Vila Nova de Gaia ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro Hospitalar Universitário de São João Department of Pediatrics ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro Hospitalar Universitário de São João Centro Materno Pediátrico Department of Cardiology Pediatrics]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Centro Hospitalar Universitário de São João Centro Materno Pediátrico Department of Pediatric Intensive Medicine]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>31</volume>
<numero>2</numero>
<fpage>166</fpage>
<lpage>171</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0872-07542022000200166&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0872-07542022000200166&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0872-07542022000200166&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Acute myocarditis is a potentially life-threatening disease in pediatric age, with risk of severe cardiac dysfunction and intracardiac thrombus formation. A previously healthy 16-year-old boy was admitted to the Pediatric Intensive Care Unit with suspicion of acute myocarditis with multiorgan dysfunction. He reported mucous diarrhea, vomiting, and asthenia with one week of evolution. The echocardiogram revealed moderate-to-severe left ventricle dysfunction with mitral and tricuspid regurgitation and two hyperechoic images suggestive of thrombus, later confirmed by cardiac magnetic resonance. Unfractionated heparin was started on admission. Campylobacter jejuni was isolated from feces. Despite treatment, the clinical picture worsened with systemic arterial embolization. Surgical thrombectomy was performed on day 13, and extracorporeal membrane oxygenation (ECMO) was maintained until day 28. At this time, the boy was submitted to orthotopic cardiac transplantation with favorable postoperative course. The therapeutic approach in these cases is controversial and should always be multifactorial and multidisciplinary. Despite the inherent risk of complications, thrombectomy should be considered when conservative approaches fail.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A miocardite aguda é uma doença potencialmente fatal em idade pediátrica, associada a risco de disfunção cardíaca grave e trombos intracardíacos. Um adolescente de 16 anos de idade, previamente saudável, foi transferido para o Serviço de Medicina Intensiva Pediátrica por suspeita de miocardite aguda com disfunção multiorgânica. Referia diarreia mucosa, vómitos e astenia com uma semana de evolução. O ecocardiograma revelou disfunção ventricular esquerda moderada a grave associada a regurgitação mitral e tricúspide e duas imagens hiperecoicas sugestivas de trombos intracardíacos, posteriormente confirmados por ressonância magnética. Foi iniciada heparina não fracionada. A coprocultura foi positiva para Campylobacter jejuni. Apesar do tratamento, verificou-se agravamento do quadro clínico, com embolização sistémica arterial, sendo submetido a trombectomia no dia 13 e mantido em oxigenação por membrana extracorporal (ECMO) até ao dia 28. Foi realizado transplante cardíaco ortotópico, com boa evolução pós-operatória. A abordagem destes casos é controversa, devendo ser sempre multifatorial e multidisciplinar. Apesar dos riscos inerentes, a trombectomia deve ser considerada quando não se observa uma evolução favorável com abordagens conservadoras.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Campylobacter]]></kwd>
<kwd lng="en"><![CDATA[cardiac transplant]]></kwd>
<kwd lng="en"><![CDATA[intracardiac thrombus]]></kwd>
<kwd lng="en"><![CDATA[myocarditis]]></kwd>
<kwd lng="en"><![CDATA[thrombectomy]]></kwd>
<kwd lng="pt"><![CDATA[Campylobacter]]></kwd>
<kwd lng="pt"><![CDATA[miocardite]]></kwd>
<kwd lng="pt"><![CDATA[transplante cardíaco]]></kwd>
<kwd lng="pt"><![CDATA[trombectomia]]></kwd>
<kwd lng="pt"><![CDATA[trombo intracardíaco]]></kwd>
</kwd-group>
</article-meta>
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