<?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>2078-7170</journal-id>
<journal-title><![CDATA[CorSalud]]></journal-title>
<abbrev-journal-title><![CDATA[CorSalud]]></abbrev-journal-title>
<issn>2078-7170</issn>
<publisher>
<publisher-name><![CDATA[Cardiocentro Ernesto Che Guevara]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2078-71702021000300271</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estratificación de riesgo en pacientes con infarto agudo de miocardio mediante el uso de varias escalas]]></article-title>
<article-title xml:lang="en"><![CDATA[Risk stratification in patients with acute myocardial infarction using several scores]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santos Medina]]></surname>
<given-names><![CDATA[Maikel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez Martínez]]></surname>
<given-names><![CDATA[Ángel A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Obregón Santos]]></surname>
<given-names><![CDATA[Ángel G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Ramos]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Piriz Assa]]></surname>
<given-names><![CDATA[Alberto R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Toledo Pérez]]></surname>
<given-names><![CDATA[Lester]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General Docente Dr. Ernesto Guevara de la Serna Servicio de Cardiología ]]></institution>
<addr-line><![CDATA[Las Tunas ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Clínico Quirúrgico Hermanos Ameijeiras Servicio de Cardiología ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital General Docente Camilo Cienfuegos Servicio de Cardiología ]]></institution>
<addr-line><![CDATA[Sancti Spíritus ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Pediátrico Provincial Octavio Concepción y de la Pedraja Servicio de Medicina Intensiva ]]></institution>
<addr-line><![CDATA[Holguín ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>13</volume>
<numero>3</numero>
<fpage>271</fpage>
<lpage>281</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2078-71702021000300271&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2078-71702021000300271&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2078-71702021000300271&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: Existen varias escalas a nivel mundial en la predicción de riesgo de los pacientes con infarto, pero aún no se ha encontrado la &#8220;escala ideal&#8221;.  Objetivos: Determinar la capacidad de discriminación para la mortalidad hospitalaria por infarto agudo de miocardio de las escalas GRACE, TIMI Risk Score, InTIME e ICR.  Método: Se realizó un estudio prospectivo en el Servicio de Cardiología del Hospital General Docente Dr. Ernesto Guevara de la Serna de Las Tunas, Cuba, entre 2018 y 2019. El universo estuvo conformado por 452 pacientes ingresados en las primeras 24 horas del infarto y la muestra, por 430 casos a los cuales se les pudo recoger la totalidad de las variables en estudio. Se utilizó la estadística descriptiva. Para determinar la capacidad de discriminación de la escalas de riesgo se determinaron sensibilidad, especificidad y área bajo la curva.  Resultados: El 70% de los pacientes fallecidos eran del sexo masculino y su media de edad fue 10 años mayor que en los egresados vivos. La hipertensión arterial fue el factor asociado más frecuente tanto en los pacientes fallecidos (90%) como en los egresados vivos (73.4%). El 70% de los fallecidos presentaron algún grado de disfunción sistólica del ventrículo izquierdo. El área bajo la curva de las escalas ICR, InTIME y GRACE fue de 0,683; 0,681 y 0,662, respectivamente. El TIMI Risk Score presentó un área bajo la curva de 0,598.  Conclusiones: Las escalas ICR, InTime y GRACE presentaron pobre capacidad predictiva para la mortalidad hospitalaria. La escala TIMI Risk Score presentó una fallida capacidad predictiva.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: There are several scores worldwide for risk stratification in patients with myocardial infarction, but the &#8220;ideal score&#8221; has not yet been found.  Objectives: To determine the discriminatory capacity of GRACE, TIMI Risk Score, InTIME and ICR scores for in-hospital mortality due to acute myocardial infarction.  Method: A prospective study was carried out in the Department of Cardiology of the Hospital General Docente Dr. Ernesto Guevara de la Serna of Las Tunas, Cuba, between 2018 and 2019. The study&#8217;s population consisted of 452 patients admitted in the first 24 hours after myocardial infarction, and the sample consisted of 430 cases from which all the variables under study could be collected. Descriptive statistics were used. Sensitivity, specificity and area under the curve were determined to be able to determine the discriminatory capacity of the risk scores as well.  Results: The 70% of the deceased patients were male and their mean age was 10 years older than in the patients discharged alive. High blood pressure was the most frequent associated risk factor in both deceased patients (90%) and in those who left the hospital alive (73.4%). The 70% of deaths had certain degree of left ventricular systolic dysfunction. The area under the curve of ICR, InTIME and GRACE scores was of 0.683; 0.681 and 0.662 respectively. TIMI Risk Score had an area under the curve of 0.598.  Conclusions: ICR, InTime and GRACE scores had poor predictive capacity for in-hospital mortality. TIMI Risk Score had a very poor predictive capacity.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Estratificación de riesgo]]></kwd>
<kwd lng="es"><![CDATA[Infarto agudo de miocardio]]></kwd>
<kwd lng="es"><![CDATA[Mortalidad hospitalaria]]></kwd>
<kwd lng="es"><![CDATA[Escala de riesgo]]></kwd>
<kwd lng="es"><![CDATA[Índice de riesgo]]></kwd>
<kwd lng="en"><![CDATA[Risk stratification]]></kwd>
<kwd lng="en"><![CDATA[Acute myocardial infarction]]></kwd>
<kwd lng="en"><![CDATA[In-hospital mortality]]></kwd>
<kwd lng="en"><![CDATA[Risk score]]></kwd>
<kwd lng="en"><![CDATA[Risk Index]]></kwd>
</kwd-group>
</article-meta>
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