<?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>0120-5633</journal-id>
<journal-title><![CDATA[Revista Colombiana de Cardiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Colomb. Cardiol.]]></abbrev-journal-title>
<issn>0120-5633</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Colombiana de Cardiologia. Oficina de Publicaciones]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-56332024000600344</article-id>
<article-id pub-id-type="doi">10.24875/rccar.24000033</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Utilidad del ecocardiograma bidimensional en el diagnóstico de la estenosis coronaria grave en pacientes con síndrome coronario agudo sin elevación del segmento ST]]></article-title>
<article-title xml:lang="en"><![CDATA[Usefulness of two-dimensional echocardiography in the diagnosis of severe coronary stenosis in patients with non-ST-segment elevation acute coronary syndrome]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cisneros-Sánchez]]></surname>
<given-names><![CDATA[Liliam G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-García]]></surname>
<given-names><![CDATA[Geovedy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Puig-Benítez]]></surname>
<given-names><![CDATA[Lázaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrero-Vázquez]]></surname>
<given-names><![CDATA[Annia Ma.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Peró]]></surname>
<given-names><![CDATA[Rosa Ma.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Rivero]]></surname>
<given-names><![CDATA[Taimara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General Docente Enrique Cabrera Unidad de Cuidados Coronarios ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</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>31</volume>
<numero>6</numero>
<fpage>344</fpage>
<lpage>350</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-56332024000600344&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-56332024000600344&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-56332024000600344&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: El ecocardiograma en pacientes con síndrome coronario agudo (SCA) sin elevación del segmento ST (SCASEST) puede detectar la localización y extensión de las anomalías del movimiento de la pared y así inferir la gravedad de las lesiones coronarias.  Objetivo: Determinar la validez del ecocardiograma bidimensional en el diagnóstico de estenosis coronarias severas (ECS) en pacientes con SCASEST.  Método: Estudio observacional, analítico, transversal, en 108 pacientes con SCASEST, donde se realizó ecocardiograma previo a la coronariografía. Posteriormente se buscó concordancia entre ambas pruebas y se determinó validez y seguridad del ecocardiograma en el diagnóstico de ECS.  Resultados: Sensibilidad del 61.7%, especificidad del 64.29%, valor predictivo positivo (VPP) 92.06% y valor predictivo negativo (VPN) 20%. La sensibilidad disminuyó en la medida que aumentó el número de coronarias con lesiones graves, mientras que la especificidad aumentó (97.06% en la enfermedad de tres vasos).  Conclusiones: El ecocardiograma no tuvo alta sensibilidad ni especificidad en el diagnóstico de ECS; sin embargo, ante la presencia de alteración de la contractilidad regional es altamente probable la existencia de una ECS por el alto VPP. La especificidad fue alta para la enfermedad de tres vasos, por lo que pudiera ayudar a excluir esta entidad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Echocardiography in patients who suffer from non-ST-segment elevation acute coronary syndrome (NSTE-ACS) can detect the location and extent of wall motion abnormalities and thus infer the severity of coronary lesions.  Objective: To determine the validity of the two-dimensional echocardiography in the diagnosis of severe coronary stenosis (SCS) in patients with NSTE-ACS.  Method: An observational, analytical, cross-sectional study in 108 patients with NSTE-ACS was conducted. An echocardiogram was performed prior to coronary angiography. Subsequently, concordance between both tests was sought and the validity and safety of the echocardiogram in the diagnosis of SCS was determined.  Results: Sensitivity was 61.7%, specificity 64.29%, positive predictive value (PPV) 92.06%, and negative predictive value 20%. Sensitivity decreased as the number of severely injured coronary arteries increased, while specificity increased (97.06% in three-vessel disease).  Conclusions: The echocardiogram didn’t have high sensitivity or specificity in the diagnosis of SCS; however, in the presence of altered regional contractility, the existence of an ECS due to high PPV is highly likely. Specificity was high for three-vessel disease, so it could help exclude this entity.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Ecocardiografía bidimensional]]></kwd>
<kwd lng="es"><![CDATA[Síndrome coronario agudo sin elevación del segmento ST]]></kwd>
<kwd lng="es"><![CDATA[SCASEST]]></kwd>
<kwd lng="es"><![CDATA[Estenosis coronaria]]></kwd>
<kwd lng="en"><![CDATA[Two-dimensional echocardiography]]></kwd>
<kwd lng="en"><![CDATA[Non-ST-segment elevation acute coronary syndrome]]></kwd>
<kwd lng="en"><![CDATA[NSTE-ACS]]></kwd>
<kwd lng="en"><![CDATA[Coronary stenosis]]></kwd>
</kwd-group>
</article-meta>
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