<?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>0864-0300</journal-id>
<journal-title><![CDATA[Revista Cubana de Investigaciones Biomédicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Invest Bioméd]]></abbrev-journal-title>
<issn>0864-0300</issn>
<publisher>
<publisher-name><![CDATA[ECIMED]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-03002023000100007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Relación del supradesnivel del segmento ST en aVR con las complicaciones cardiovasculares]]></article-title>
<article-title xml:lang="en"><![CDATA[Relationship of ST-segment elevation in AVR to cardiovascular complications]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[de la Torre Fonseca]]></surname>
<given-names><![CDATA[Luis Mariano]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alarcón Cedeño]]></surname>
<given-names><![CDATA[Robert]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mederos Hernández]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Echevarría Sifontes]]></surname>
<given-names><![CDATA[Lila A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barreda Pérez]]></surname>
<given-names><![CDATA[Ana María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana Hospital Universitario Clínico-Quirúrgico &#8220;Comandante Manuel Fajardo&#8221; ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital &#8220;Álvaro Cunqueiro&#8221; Servicio de Hemodinámica ]]></institution>
<addr-line><![CDATA[ Vigo]]></addr-line>
<country>España</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana Instituto de Cardiología y Cirugía Cardiovascular ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>42</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-03002023000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-03002023000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-03002023000100007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: El patrón de &#8220;supradesnivel del segmento ST en aVR&#8221; en el síndrome coronario agudo se asocia con un aumento de la mortalidad.  Objetivo:  Evaluar la relación entre el patrón de &#8220;supradesnivel del segmento ST en aVR&#8221; y las complicaciones cardiovasculares no letales.  Método: Estudio observacional de corte transversal, con componente analítico de todos los pacientes ingresados con síndrome coronario agudo sin elevación del segmento ST, en el Hospital Universitario &#8220;Manuel Fajardo&#8221; de la Habana entre los años 2016 y 2020.  Resultados: Predominó el sexo femenino en el primer grupo, con una mediana de 78 años. Hubo incidencia de cardiopatía isquémica (75 % y 56,4 %) e hipertensión arterial (78,8 % y 85,8 %). Se determinó una relación estadística significativa entre el patrón con elevación del segmento ST en aVR y las complicaciones cardiovasculares con un riesgo relativo de 5,769 veces.  Conclusiones: El patrón de supradesnivel del segmento ST en un síndrome coronario agudo sin elevación del segmento ST predice complicaciones intrahospitalarias cardiovasculares no letales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  The pattern of &#8220;ST-segment elevation in aVR" in acute coronary syndrome is associated with increased mortality.  Objective:  To evaluate the relationship between the pattern of "ST-segment elevation in aVR" and nonlethal cardiovascular complications.  Methods:  Observational cross-sectional study, with analytical component of all patients admitted with non-ST-segment elevation acute coronary syndrome at the "Manuel Fajardo" University Hospital of Havana between 2016 and 2020.  Results:  Female gender predominated in the first group, with an average age of 78 years. There was incidence of ischemic heart disease (75% and 56.4%) and arterial hypertension (78.8% and 85.8%). A significant statistical relationship was determined between the pattern with ST-segment elevation in aVR and cardiovascular complications with a relative risk of 5.769 times.  Conclusions:  ST-segment suprathreshold pattern in non-ST-segment elevation acute coronary syndrome predicts non-lethal in-hospital cardiovascular complications.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[síndrome coronario]]></kwd>
<kwd lng="es"><![CDATA[segmento ST]]></kwd>
<kwd lng="es"><![CDATA[patrón de supradesnivel]]></kwd>
<kwd lng="es"><![CDATA[predictores eléctricos]]></kwd>
<kwd lng="en"><![CDATA[coronary syndrome]]></kwd>
<kwd lng="en"><![CDATA[ST-segment elevation]]></kwd>
<kwd lng="en"><![CDATA[ST-segment elevation pattern]]></kwd>
<kwd lng="en"><![CDATA[electrical predictors]]></kwd>
</kwd-group>
</article-meta>
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