<?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>1405-9940</journal-id>
<journal-title><![CDATA[Archivos de cardiología de México]]></journal-title>
<abbrev-journal-title><![CDATA[Arch. Cardiol. Méx.]]></abbrev-journal-title>
<issn>1405-9940</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Cardiología Ignacio Chávez]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-99402024000300276</article-id>
<article-id pub-id-type="doi">10.24875/acm.23000205</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Alteraciones cardiovasculares en el síndrome inflamatorio multisistémico pediátrico asociado a COVID-19 en un hospital pediátrico de tercer nivel de la Ciudad de México]]></article-title>
<article-title xml:lang="en"><![CDATA[Cardiovascular manifestations in pediatric multisystem inflammatory syndrome associated with COVID-19 in a tertiary care pediatric center in Mexico City]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Granda-Jiménez]]></surname>
<given-names><![CDATA[Mercy J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rios-Olivares]]></surname>
<given-names><![CDATA[Itzel E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Rebeles-Guerrero]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marquez-Aguirre]]></surname>
<given-names><![CDATA[Martha P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Hernández]]></surname>
<given-names><![CDATA[José A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camacho-Reyes]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rubens-Figueroa]]></surname>
<given-names><![CDATA[Jesús De]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Corona-Villalobos]]></surname>
<given-names><![CDATA[Carlos A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Pediatría Servicio de Cardiología Pediátrica ]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Pediatría Servicio de Cuidados Intensivos Pediátricos ]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Pediatría Servicio de Inmunología Pediátrica ]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2024</year>
</pub-date>
<volume>94</volume>
<numero>3</numero>
<fpage>276</fpage>
<lpage>285</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-99402024000300276&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-99402024000300276&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-99402024000300276&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Exponer las alteraciones cardiovasculares en los pacientes diagnosticados con síndrome inflamatorio multisistémico pediátrico (PIMS) asociado a COVID-19 durante la pandemia por SARS-CoV-2 con el fin de comprender la enfermedad, su evolución y el manejo óptimo al diagnóstico.  Método: Estudio retrospectivo, observacional, transversal y analítico de pacientes con diagnóstico de PIMS de acuerdo con los criterios de la Organización Mundial de la Salud en el Instituto Nacional de Pediatría, de marzo de 2020 a diciembre de 2021.  Resultados: Durante el periodo de estudio se diagnosticaron 77 pacientes con PIMS. Los resultados demostraron una correlación entre el estado de choque y la alteración de los marcadores de laboratorio (plaquetas 144217.29 ± 139321.6 &#956;l [p &lt; 0.001], procalcitonina 27.37 ± 38.37 ng/ml [p = 0.05] y ferritina 1937.87 ± 2562.63 [p &lt; 0.001]). La función ventricular en los pacientes con choque se registró significativamente menor en comparación con aquellos sin choque (49.6 ± 9.1 % vs. 58.1 ± 8.4 %; t de Student p &lt; 0.001), así como lesión en la arteria coronaria izquierda (p = 0.02). Existe una correlación entre el NT-proBNP y la disfunción ventricular (Kruskal-Wallis p = 0.007). Se encontró significancia estadística en la asociación entre fallecimiento, elevación de los marcadores inflamatorios y disfunción ventricular (p &lt; 0.001).  Conclusiones: Las alteraciones cardiovasculares observadas fueron, en orden de frecuencia, derrame pericárdico (25.7%), miocarditis (15%), disfunción ventricular leve (13.5%) y aneurisma pequeño coronario con predominio de la arteria coronaria izquierda y la descendente anterior.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: The objective is to expose the cardiovascular alterations in patients diagnosed with pediatric inflammatory multisystem syndrome (PIMS) associated with COVID-19 during the SARS-CoV-2 pandemic, in order to understand the disease, its evolution, and optimal management upon diagnosis.  Method: Retrospective, observational, cross-sectional analytical study of patients diagnosed with PIMS according to the criteria of the World Health Organization at the National Institute of Pediatrics, from March 2020 to December 2021.  Results: During the study period, 77 patients with PIMS were diagnosed. The results showed correlation between the shock state and alteration of laboratory markers (platelets 144217.29 ± 139321.6 &#956;L [p &lt; 0.001], procalcitonin 27.37 ± 38.37 ng/ml [p = 0.05] and ferritin 1937.87 ± 2562.63 [p &lt; 0.001]). The ventricular function in patients with shock was significantly lower compared to those without shock (49.6 ± 9.1% vs. 58.1 ± 8.4 %; t-Student p &lt; 0.001), as well as injury to the left coronary artery (p = 0.02). There is a correlation between NT-proBNP and ventricular dysfunction (Kruskal-Wallis p = 0.007). Statistical significance was found in the association between death, elevation of inflammatory markers and ventricular dysfunction (p &lt; 0.001).  Conclusions: The cardiovascular alterations observed, in order of frequency, were pericardial effusion (25.7%), myocarditis (15%), mild ventricular dysfunction (13.5%) and small coronary aneurysm with predominance of the left coronary artery and the anterior descending one.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Síndrome inflamatorio multisistémico]]></kwd>
<kwd lng="es"><![CDATA[Pediatría]]></kwd>
<kwd lng="es"><![CDATA[Alteraciones cardiovasculares]]></kwd>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[Multisystem inflammatory syndrome]]></kwd>
<kwd lng="en"><![CDATA[Pediatrics]]></kwd>
<kwd lng="en"><![CDATA[Cardiovascular disorders]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
</kwd-group>
</article-meta>
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