<?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>S0872-07542022000300317</article-id>
<article-id pub-id-type="doi">10.25753/birthgrowthmj.v31.i3.27608</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[COVID-19-induced rhabdomyolysis in an adolescent: A rare presentation]]></article-title>
<article-title xml:lang="pt"><![CDATA[Rabdomiólise induzida por COVID-19 num adolescente: Uma apresentação rara]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calejo]]></surname>
<given-names><![CDATA[Rita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Queirós]]></surname>
<given-names><![CDATA[Joana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Brandão]]></surname>
<given-names><![CDATA[Carla]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barroso]]></surname>
<given-names><![CDATA[Fábio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Machado]]></surname>
<given-names><![CDATA[Leonilde]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Hospitalar Tâmega e Sousa Department of Pediatrics ]]></institution>
<addr-line><![CDATA[Penafiel ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro Hospitalar Universitário do Porto Centro Materno-Infantil do Norte Department of Pediatrics]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>09</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>09</month>
<year>2022</year>
</pub-date>
<volume>31</volume>
<numero>3</numero>
<fpage>317</fpage>
<lpage>320</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0872-07542022000300317&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0872-07542022000300317&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0872-07542022000300317&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Viral infections are a well-known cause of myositis. The clinical presentation may vary from mild myalgia to severe muscle injury. Coronavirus disease 2019 (COVID-19), a viral respiratory disease caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), can be a cause of myositis and of rhabdomyolysis, a rare and severe complication. A previously healthy 11-year-old female adolescent with COVID-19 presented to the Emergency Department with lower limb pain and inability to walk. The initial laboratory study revealed a marked elevation of muscular enzymes, particularly creatine kinase (13046 UI/L; reference value 149 UI/L). Urine dipstick test reacted positively for hemoglobinuria. The patient started treatment with aggressive intravenous hydration, with progressive clinical and analytical improvement. Musculoskeletal symptoms associated with COVID-19 are a frequent complaint, with potentially severe complications, such as rhabdomyolysis. A proper and timely diagnosis can prevent further clinical deterioration and enable adequate treatment and follow-up.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo As infeções víricas são uma causa conhecida de miosite. A apresentação clínica pode variar desde mialgias ligeiras a lesões musculares graves. A COVID-19, uma infeção respiratória viral provocada pelo coronavírus da síndrome respiratória aguda grave 2 (SARS-CoV-2), pode ser uma causa de miosite e de rabdomiólise, uma complicação muscular rara e grave. Uma adolescente de 11 anos, previamente saudável, positiva para COVID-19, recorreu ao Serviço de Urgência por dor nos membros inferiores e incapacidade para a marcha. O estudo analítico inicial revelou uma elevação das enzimas musculares, nomeadamente da creatina fosfocinase (13046 UI/L; valor de referência 149 UI/L). A tira teste urinária reagiu positivamente para hemoglobina. A doente iniciou tratamento com fluidoterapia endovenosa, com melhoria clínica e analítica progressiva. Os sintomas músculo-esqueléticos associados à COVID-19 são uma queixa frequente, com potencial para complicações graves, como a rabdomiólise. Um diagnóstico adequado e atempado permite prevenir o agravamento clínico e instituir um tratamento e seguimento adequados.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[muscle]]></kwd>
<kwd lng="en"><![CDATA[myositis]]></kwd>
<kwd lng="en"><![CDATA[rhabdomyolysis]]></kwd>
<kwd lng="pt"><![CDATA[COVID-19]]></kwd>
<kwd lng="pt"><![CDATA[miosite]]></kwd>
<kwd lng="pt"><![CDATA[músculo]]></kwd>
<kwd lng="pt"><![CDATA[rabdomiólise]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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