<?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>2954-3835</journal-id>
<journal-title><![CDATA[Cardiovascular and metabolic science]]></journal-title>
<abbrev-journal-title><![CDATA[Cardiovasc. metab. sci]]></abbrev-journal-title>
<issn>2954-3835</issn>
<publisher>
<publisher-name><![CDATA[Asociación Nacional de Cardiólogos de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2954-38352022000400175</article-id>
<article-id pub-id-type="doi">10.35366/109244</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Restrictive cardiomyopathy in a paediatric patient: a case report]]></article-title>
<article-title xml:lang="es"><![CDATA[Miocardiopatía restrictiva en un paciente pediátrico: un reporte de caso]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[Óscar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solano]]></surname>
<given-names><![CDATA[Jhiamluka]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[Angie]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Discua]]></surname>
<given-names><![CDATA[Liliam]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Asociación de Educación Médica Hondureña  ]]></institution>
<addr-line><![CDATA[Tegucigalpa ]]></addr-line>
<country>Honduras</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Salford Royal Hospital  ]]></institution>
<addr-line><![CDATA[Manchester ]]></addr-line>
<country>Reino</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Sistema Nacional de Emergencias Área de Telemedicina ]]></institution>
<addr-line><![CDATA[Tegucigalpa ]]></addr-line>
<country>Honduras</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Escuela  ]]></institution>
<addr-line><![CDATA[Tegucigalpa ]]></addr-line>
<country>Honduras</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>33</volume>
<numero>4</numero>
<fpage>175</fpage>
<lpage>180</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2954-38352022000400175&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2954-38352022000400175&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2954-38352022000400175&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Restrictive cardiomyopathy is characterized by a severe diastolic impairment with a normal systolic function. It is the least common of all cardiomyopathies among paediatric patients. Restrictive cardiomyopathy has a poor prognosis and commonly requires a cardiac transplant. We present a case of a 12-year-old patient with four months history of heart failure symptoms and first-degree family history confirmed heterozygous mutation in the TNNI3 encoder. This paper is presented to emphasize the importance of genetic studies in families who have different cardiac phenotypes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La miocardiopatía restrictiva se caracteriza por una afectación diastólica severa acompañada de una función sistólica normal. Es la miocardiopatía menos común en la edad pediátrica. La miocardiopatía restrictiva tiene un pronóstico pobre y comúnmente requiere trasplante cardiaco. Presentamos el caso de una paciente de 12 años, con historia de cuatro meses de sintomatología de fallo cardiaco y un familiar de primer grado con mutación heterogenética del gen TNNI3 confirmada. Este artículo pretende enfatizar la importancia del estudio genético en familiares que tienen diferentes fenotipos cardiacos.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[restrictive cardiomyopathy]]></kwd>
<kwd lng="en"><![CDATA[TNNI3 gene]]></kwd>
<kwd lng="en"><![CDATA[diastolic heart failure]]></kwd>
<kwd lng="en"><![CDATA[atrial remodeling]]></kwd>
<kwd lng="es"><![CDATA[miocardiopatía restrictiva]]></kwd>
<kwd lng="es"><![CDATA[Gen TNNI3]]></kwd>
<kwd lng="es"><![CDATA[insuficiencia cardiaca diastólica]]></kwd>
<kwd lng="es"><![CDATA[remodelación atrial]]></kwd>
</kwd-group>
</article-meta>
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