<?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>S2078-71702019000400271</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización del síndrome de Wellens y su relación como predictor de obstrucción grave de la arteria descendente anterior. Unidad de Cuidados Coronarios Intensivos Hospital Manuel Fajardo 2016-2017]]></article-title>
<article-title xml:lang="en"><![CDATA[Characterization of Wellens syndrome and its relationship as a predictor of severe obstruction of the left anterior descending artery. Intensive Coronary Care Unit Hospital Manuel Fajardo 2016-2017]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[de la Torre Fonseca]]></surname>
<given-names><![CDATA[Luis M.]]></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[Pérez Fernández]]></surname>
<given-names><![CDATA[Anabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario Manuel Fajardo Servicio de Cardiología ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Universitario Manuel Fajardo Servicio de Medicina Interna ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>11</volume>
<numero>4</numero>
<fpage>271</fpage>
<lpage>277</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2078-71702019000400271&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2078-71702019000400271&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2078-71702019000400271&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El síndrome de Wellens es un patrón electrocardiográfico que se ha sugerido desde la década del 80 como indicador de obstrucción grave de la arteria descendente anterior, a pesar de ello es poco conocido y no se encuentra en las principales guías de tratamiento de los síndromes coronarios agudos.  Objetivo: Demostrar la utilidad del diagnóstico del síndrome de Wellens como predictor de obstrucción grave de la descendente anterior.  Método: Se realizó un estudio transversal con componente analítico, que abarcó a los 40 pacientes ingresados en la Unidad de Cuidados Coronarios Intensivos del Hospital Manuel Fajardo, en el período enero de 2016 hasta diciembre de 2017, con diagnóstico de síndrome coronario agudo sin elevación del segmento ST, a los que se les realizó coronariografía.  Resultados: Se encontró la presencia de síndrome de Wellens en un 13,5% de los pacientes ingresados con este tipo de síndrome coronario agudo. La edad, el sexo y la presencia de comorbilidades no se relacionaron significativamente con la presencia de este síndrome. El estudio angiográfico evidenció, en los pacientes con un síndrome de Wellens, un riesgo relativo 3,4 veces mayor que el resto, de presentar una obstrucción grave de la arteria descendente anterior.  Conclusiones: La identificación oportuna del síndrome de Wellens y su relación con una obstrucción coronaria grave deben motivar una estrategia intervencionista precoz en estos casos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Wellens syndrome is an electrocardiographic pattern that has been suggested, since the 1980s, as indicator of severe obstruction of the left anterior descending artery, although it is poorly understood and it is not found in the main treatment guidelines for acute coronary syndromes.  Objective: To demonstrate the usefulness of the diagnosis of Wellens syndrome as a predictor of severe obstruction of the left anterior descending artery.  Method:  A cross-sectional study with an analytical component was carried out, covering the 40 patients admitted to the Intensive Coronary Care Unit of the Hospital Manuel Fajardo, in the period from January 2016 to December 2017, with a diagnosis of non-ST-segment elevation acute coronary syndrome, who underwent coronary angiography.  Results: The presence of Wellens syndrome was found in 13.5% of the patients admitted with this type of acute coronary syndrome. Age, sex and the presence of comorbidities were not significantly related to the presence of this syndrome. The angiographic study showed, in patients with a Wellens syndrome, a relative risk -3.4 times greater than the rest- of presenting a severe obstruction of the left anterior descending artery.  Conclusions: The timely identification of Wellens syndrome and its relationship with a severe coronary obstruction should motivate an early interventionist strategy in these cases.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[SCASEST]]></kwd>
<kwd lng="es"><![CDATA[Síndrome de Wellens]]></kwd>
<kwd lng="es"><![CDATA[Coronariografía]]></kwd>
<kwd lng="es"><![CDATA[Cardiopatía isquémica]]></kwd>
<kwd lng="es"><![CDATA[Angina inestable]]></kwd>
<kwd lng="en"><![CDATA[NSTE-ACS]]></kwd>
<kwd lng="en"><![CDATA[Wellens syndrome]]></kwd>
<kwd lng="en"><![CDATA[Coronary angiography]]></kwd>
<kwd lng="en"><![CDATA[Ischemic heart disease]]></kwd>
<kwd lng="en"><![CDATA[unstable angina]]></kwd>
</kwd-group>
</article-meta>
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