<?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>S1405-99402024000400480</article-id>
<article-id pub-id-type="doi">10.24875/acm.23000259</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[COVID-19 en pacientes con afección cardiovascular preexistente: una serie de casos durante la cuarta ola epidemiológica en la Ciudad de México]]></article-title>
<article-title xml:lang="en"><![CDATA[COVID-19 in patients with pre-existing cardiovascular disease: a series of cases during the fourth epidemiologic wave in Mexico City]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendoza-González]]></surname>
<given-names><![CDATA[Celso A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Antonio-Villa]]></surname>
<given-names><![CDATA[Neftalí E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras-Alanis]]></surname>
<given-names><![CDATA[Mireya B.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Sandoval]]></surname>
<given-names><![CDATA[María F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-Macías]]></surname>
<given-names><![CDATA[Jimena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sandoval-Colin]]></surname>
<given-names><![CDATA[Daniel E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vera-Chávez]]></surname>
<given-names><![CDATA[Jacobo S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quiroz-Martínez]]></surname>
<given-names><![CDATA[Víctor A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valle-Zamora]]></surname>
<given-names><![CDATA[Karina Del]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Cardiología Ignacio Chávez Cardiología Adultos ]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>94</volume>
<numero>4</numero>
<fpage>480</fpage>
<lpage>487</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-99402024000400480&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-99402024000400480&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-99402024000400480&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: La infección por SARS-CoV-2 induce una respuesta inmunitaria que causa una inflamación excesiva dañando al tejido cardiaco y al endotelio vascular. El objetivo de este estudio es revisar una serie de casos de pacientes hospitalizados con patología cardiaca preexistente para describir el comportamiento clínico y resaltar la baja frecuencia de morbimortalidad.  Método: Estudio retrospectivo de 17 pacientes con diagnóstico confirmado de COVID-19 mediante prueba de reacción en cadena de la polimerasa o prueba de antígenos, antecedente de enfermedad cardiovascular en presencia o no de comorbilidad, y antecedente de al menos una dosis de la vacuna para la COVID-19, durante el periodo entre el 30 de diciembre de 2021 y el 17 de marzo de 2022, en el Instituto Nacional de Cardiología Ignacio Chávez de la Ciudad de México.  Resultados: La patología cardiaca previa más frecuente fue el infarto agudo de miocardio (31.25%), y la arritmia más común fue la fibrilación auricular (25%). La mediana de días de estancia hospitalaria fue de 10 (rango intercuartílico: 4-14). En cuanto a los desenlaces, el 94% de los pacientes fueron dados de alta por mejoría clínica y solo un paciente falleció durante su internamiento.  Conclusiones: Es crucial continuar investigando y monitoreando los efectos del SARS-CoV-2 en los pacientes con enfermedades cardiacas preexistentes y en aquellos con síntomas persistentes después de la infección. Esto permitirá desarrollar estrategias más efectivas para el tratamiento y la prevención de las complicaciones cardiovasculares asociadas a la COVID-19.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: SARS-CoV-2 infection induces an immune response that causes excessive inflammation damaging cardiac tissue and vascular endothelium. The objective of this study is to review a series of cases of hospitalized patients with pre-existing cardiac disease to describe the clinical behavior and highlight the low frequency of morbidity and mortality.  Method: Retrospective study of 17 patients with a confirmed diagnosis of COVID-19 by polymerase chain reaction test or antigen test, a history of cardiovascular disease with or without comorbidities, and a history of at least one dose of the vaccine for COVID-19, during the period between December 30, 2021 and March 17, 2022 at the Ignacio Chávez National Institute of Cardiology in Mexico City.  Results: The most frequent cardiac pathology was acute myocardial infarction (31.25%) and the most common arrhythmia was atrial fibrillation (25%). The median number of days of hospital stay was 10 days (interquartile range: 4-14). Regarding the outcomes, 94% of the patients were discharged due to clinical improvement, and only one patient died during his hospitalization.  Conclusions: It is crucial to continue investigating SARS-CoV-2 effects in patients pre-existing heart disease and in those with persistent symptoms after infection. This will allow the development of more effective strategies for the treatment and prevention of cardiovascular complications associated with COVID-19.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[Infarto agudo de miocardio]]></kwd>
<kwd lng="es"><![CDATA[Miocarditis]]></kwd>
<kwd lng="es"><![CDATA[Pericarditis]]></kwd>
<kwd lng="es"><![CDATA[RNA viral]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[Acute myocardial infarction]]></kwd>
<kwd lng="en"><![CDATA[Myocarditis]]></kwd>
<kwd lng="en"><![CDATA[Pericarditis]]></kwd>
<kwd lng="en"><![CDATA[Viral RNA]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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