<?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>2444-054X</journal-id>
<journal-title><![CDATA[Cirugía y cirujanos]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. cir.]]></abbrev-journal-title>
<issn>2444-054X</issn>
<publisher>
<publisher-name><![CDATA[Academia Mexicana de Cirugía A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-054X2021000100057</article-id>
<article-id pub-id-type="doi">10.24875/ciru.20000900</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Correlación de variables ecocardiográficas y biomarcadores en pacientes graves con COVID-19]]></article-title>
<article-title xml:lang="en"><![CDATA[Correlation of echocardiographic variables and biomarkers in severely ill COVID-19 patients]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calderón-Esquivel]]></surname>
<given-names><![CDATA[Nestor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Flores]]></surname>
<given-names><![CDATA[A. David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Chon]]></surname>
<given-names><![CDATA[Octavio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A5"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Briones]]></surname>
<given-names><![CDATA[Alondra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Villaseñor]]></surname>
<given-names><![CDATA[Alan O.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero-González]]></surname>
<given-names><![CDATA[Juan P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Juárez-Hernández]]></surname>
<given-names><![CDATA[Eva]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sosa-García]]></surname>
<given-names><![CDATA[J. Ojino]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Médica Sur Unidad de Terapia Intensiva Departamento de Urgencias Médico Quirúrgicas y Medicina Crítica]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Médica Sur Departamento de Ecocardiografía CIDYT Servicio de Cardiología y Ecocardiografía]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Médica Sur Departamento de Dirección Médica ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Médica Sur Servicio de Anestesiología y Medicina Crítica ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Hospital Médica Sur Unidad de Terapia Intensiva Servicio de Medicina Interna y Medicina Crítica]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Hospital Médica Sur Unidad de Investigación Traslacional Departamento de Investigación Clínica]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2021</year>
</pub-date>
<volume>89</volume>
<numero>1</numero>
<fpage>57</fpage>
<lpage>62</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2021000100057&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2021000100057&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2021000100057&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[ Objetivo: Describir las variables ecocardiográficas de los pacientes con COVID-19 y su correlación con biomarcadores y mortalidad.  Método: Estudio observacional, descriptivo, longitudinal y retrospectivo.  Resultados: El 70% (n = 21) eran de sexo masculino, el promedio de edad fue de 59 (46-67) años y el índice de masa corporal fue de 30.1 (27.3-32.4) kg/m2. En la evaluación de la función sistólica del ventrículo izquierdo se observó una adecuada correlación entre la excursión sistólica del plano del anillo mitral (MAPSE) y la fracción de eyección del ventrículo izquierdo (r2 = 0.508, p = 0.004). La evaluación de la función sistólica del ventrículo derecho indicó una óptima correlación entre la excursión sistólica del plano del anillo tricuspídeo (TAPSE) y la fracción de acortamiento del ventrículo derecho (r2 = 0.649, p = &#8804; 0.0001). No hubo correlación de los biomarcadores y las variables ecocardiográficas entre los pacientes sobrevivientes y no sobrevivientes, a excepción del MAPSE y las concentraciones séricas de deshidrogenasa láctica (r2 = &#8722;0.427, p = 0.019). La tasa de mortalidad fue del 16% (n = 5).  Conclusión: Existe una adecuada correlación entre las variables ecocardiográficas de la función sistólica del ventrículo izquierdo y del ventrículo derecho, así como también entre la MAPSE y los valores séricos de DHL.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: To describe echocardiographic variables and their correlation with biomarkers and mortality in COVID-19 patients.  Method: Observational, descriptive, longitudinal, and retrospective study.  Results: 70% (n = 21) corresponded to the male gender; means of age and body mass index were 59 (46-67) years and 30.1 (27.3-32.4) kg/m2, respectively. In the evaluation of the left ventricular systolic function, an appropriate correlation between MAPSE (mitral annular plane systolic excursion) and the left ventricular ejection fraction (r2 = 0.508, p = 0.004) was observed. In the evaluation of the right ventricular systolic function, an optimum correlation between TAPSE (tricuspid annular plane systolic excursion) and the right ventricular outflow tract fractional shortening (r2 = 0.649, p = &#8804; 0.0001) was observed. No correlation between biomarkers and echocardiographic variables between surviving and non-surviving patients was found, except for MAPSE and serum lactate dehydrogenase values (r2 = &#8722;0.427, p = 0.019). The mortality rate was 16% (n = 5).  Conclusion: An appropriate correlation between echocardiographic variables of both left and right ventricular systolic function was found, as well as between MAPSE and serum LDH values.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Biomarcadores]]></kwd>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[Ecocardiografía]]></kwd>
<kwd lng="es"><![CDATA[MAPSE]]></kwd>
<kwd lng="es"><![CDATA[Mortalidad]]></kwd>
<kwd lng="es"><![CDATA[TAPSE]]></kwd>
<kwd lng="en"><![CDATA[Biomarkers]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[Echocardiography]]></kwd>
<kwd lng="en"><![CDATA[MAPSE]]></kwd>
<kwd lng="en"><![CDATA[Mortality]]></kwd>
<kwd lng="en"><![CDATA[TAPSE]]></kwd>
</kwd-group>
</article-meta>
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