<?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>S1405-99402025000200220</article-id>
<article-id pub-id-type="doi">10.24875/acm.24000049</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización clínica de los pacientes con bloqueo atrio-ventricular completo fetal]]></article-title>
<article-title xml:lang="en"><![CDATA[Clinical characterization of patients with complete fetal atrioventricular block]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muralles-Castillo]]></surname>
<given-names><![CDATA[Fernando A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Guatemalteco de Seguridad Social Servicio de Cardiología Pediátrica ]]></institution>
<addr-line><![CDATA[Ciudad de Guatemala ]]></addr-line>
<country>Guatemala</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>95</volume>
<numero>2</numero>
<fpage>220</fpage>
<lpage>224</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-99402025000200220&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-99402025000200220&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-99402025000200220&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El siguiente artículo busca describir la caracterización clínica de los pacientes con bloqueo atrio-ventricular completo congénito, para lo que se recabó información de diferentes fuentes, entre las cuales está la presentación de la patología y su repercusión en el feto. La base principal fue buscar una asociación entre el uso de los medicamentos y el pronóstico del bloqueo atrio-ventricular completo congénito. Dentro del tratamiento a utilizarse en los pacientes con bloqueo atrio-ventricular fetal se menciona el uso de esteroides, estimuladores betaadrenérgicos, plasma, etc., sin embargo su uso es controversial, ya que aún hay muchos estudios en los cuales no se define si se usa de forma aislada o bien en conjunto para mejorar el estado del paciente. Los esteroides son los medicamentos más empleados en esta patología y también los más estudiados, si bien su uso ha disminuido el desarrollo de hidrops, y evitar que un bloqueo atrio-ventricular de tipo II avance a uno completo también puede provocar que haya mayor pérdida de líquido amniótico, provocando oligohidramnios que pudiera provocar daño fetal. Debido a esto, la valoración del uso de los distintos medicamentos dependerá ante la condición clínica del paciente y se deberá abordar un manejo multidisciplinario en el periodo perinatal para mejorar el pronóstico del paciente y de la madre.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The following article seeks to describe the clinical characterization of patients with congenital complete atrioventricular block. Information was collected from different sources, among which is the presentation of the pathology and its impact on the fetus, and the main basis was look for an association between the use of medications and its prognosis. Within the treatment to be used in patients with fetal atrioventricular block, the use of steroids, beta-adrenergic stimulators, plasma, etc., is mentioned; however, their use is controversial, since there are still many studies in which it is not defined whether they are used in isolation or together to improve the patient's condition. Steroids are the medications most used in this pathology and also the most studied, although their use has decreased the development of hydrops and preventing a type II atrioventricular block from progressing to a complete one, it can also cause greater loss of amniotic fluid, causing oligohydramnios that could cause fetal damage. Due to this, the assessment of the use of different medications will depend on the patient's clinical condition and multidisciplinary management should be addressed in the perinatal period to improve the prognosis of the patient and the mother.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Bloqueo atrio-ventricular completo]]></kwd>
<kwd lng="es"><![CDATA[Fibroelastosis]]></kwd>
<kwd lng="es"><![CDATA[Disfunción ventricular fetal]]></kwd>
<kwd lng="es"><![CDATA[Esteroides]]></kwd>
<kwd lng="es"><![CDATA[Fibrosis miocárdica]]></kwd>
<kwd lng="en"><![CDATA[Complete atrioventricular block]]></kwd>
<kwd lng="en"><![CDATA[Fibroelastosis]]></kwd>
<kwd lng="en"><![CDATA[Fetal ventricular dysfunction]]></kwd>
<kwd lng="en"><![CDATA[Steroids]]></kwd>
<kwd lng="en"><![CDATA[Myocardial fibrosis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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