<?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>1729-519X</journal-id>
<journal-title><![CDATA[Revista Habanera de Ciencias Médicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev haban cienc méd]]></abbrev-journal-title>
<issn>1729-519X</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de la Habana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1729-519X2020000500008</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Strain segmentario y longitudinal de pacientes cubanos con drepanocitosis]]></article-title>
<article-title xml:lang="en"><![CDATA[Segmental and longitudinal strain in Cuban patients with sickle cell disease]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres Zambrano]]></surname>
<given-names><![CDATA[Angela Jacqueline]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montenego Tobar]]></surname>
<given-names><![CDATA[Danny Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Borges Moreno]]></surname>
<given-names><![CDATA[Liudmila]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Cardiología y Cirugía Cardiovascular  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<volume>19</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1729-519X2020000500008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1729-519X2020000500008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1729-519X2020000500008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  Las strain segmentaria y longitudinal constituyen excelentes parámetros para la cuantificación de la contractilidad miocárdica.  Objetivo: Identificar los valores de strain segmentario y longitudinal de pacientes cubanos con drepanocitosis.  Material y Método:  Estudio descriptivo prospectivo en los 31 pacientes con drepanocitosis y 52 controles que asistieron al Instituto de Cardiología y Cirugía Cardiovascular entre junio de 2017 a enero de 2018, a los que se determinó strain segmentario y longitudinal como variables de estudio. Se compararon medias mediante la prueba t de Student y se realizó un análisis de varianza (ANOVA) con una prueba a posteriori de Tukey para p&lt;0,05.  Resultados: En los drepanocíticos las medias de strain segmentario estuvieron entre -17,7±3,4 % (p=0,0001*) y -28,6±4,1 % (p=0,0005*) y -29,3±1,1 % (p=&lt;0,0002*), fueron homogéneos todos sus segmentos y en el grupo control entre -19,3±2,9 % (p=0,0001*), en general. Independientemente de que en los pacientes drepanocíticos las medias fueron más bajas estuvieron en el rango de lo normal. Los valores de las medias de strain longitudinal global oscilaron entre -19,2±3,3 y -25,2±2,7 fueron más negativos en el grupo control, respecto a los cubanos con drepanocitosis.  Conclusiones: Los resultados obtenidos son los primeros de su tipo publicados en Cuba. Las strain segmentaria y longitudinal de los pacientes drepanocíticos cubanos analizados, con resultados significativamente diferentes que los individuos sanos, pero normales, coinciden con lo informado en la literatura internacional.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Segmental and longitudinal strains are excellent parameters for the quantification of myocardial contractility.  Objective:  To identify the values &#8203;&#8203;of segmental and longitudinal strain in Cuban patients with sickle cell disease.  Material and Method:  A prospective descriptive study was conducted in 31 patients with sickle cell disease and 52 controls who attended the Institute of Cardiology and Cardiovascular Surgery between June 2017 and January 2018, to which segmental longitudinal strain was determined as study variable. The means between the two groups were compared using the Student's t-test; an analysis of variance (ANOVA) was performed with a posteriori Tukey test for p &lt;0.05.  Results:  In the patients with sickle cell disease, the means of segmental strain were between -17,7±3,4% (p=0,0001*) and -28,6±4,1%(p=0,0005*) and -29,3±1,1%(p=&lt;0,0002*) with all segments being homogeneous; in the control group they were between -19,3±2,9% (p=0,0001*) in general. Despite the means were the lowest in Cuban patients with sickle cell disease, they were within the normal range. The mean values &#8203;&#8203;of global longitudinal strain ranged between -19.2 ± 3.3 and -25.2 ± 2.7, being more negative in the control group with respect to Cuban patients with sickle cell disease.  Conclusions:  The results obtained are the first of its type published in Cuba. The segmental and longitudinal strain in Cuban patients with sickle cell disease analyzed, which have significantly different results from those obtained in healthy individuals, but normal, coincide with those reported in the international literature.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[drepanocitosis]]></kwd>
<kwd lng="es"><![CDATA[strain segmentaria]]></kwd>
<kwd lng="es"><![CDATA[strain longitudinal]]></kwd>
<kwd lng="en"><![CDATA[sickle cell disease]]></kwd>
<kwd lng="en"><![CDATA[segmental strain]]></kwd>
<kwd lng="en"><![CDATA[longitudinal strain]]></kwd>
</kwd-group>
</article-meta>
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