<?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>2011-7582</journal-id>
<journal-title><![CDATA[Revista Colombiana de Cirugía]]></journal-title>
<abbrev-journal-title><![CDATA[rev. colomb. cir.]]></abbrev-journal-title>
<issn>2011-7582</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Cirugía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2011-75822021000400647</article-id>
<article-id pub-id-type="doi">10.30944/20117582.850</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Asociación entre sarcopenia medida con el índice del psoas por tomografía abdominal y complicaciones posoperatorias tempranas en pacientes con cáncer gástrico]]></article-title>
<article-title xml:lang="en"><![CDATA[Association between sarcopenia measured with the psoas index by abdominal tomography and early postoperative complications in patients with gastric cancer]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marín-Ordoñez]]></surname>
<given-names><![CDATA[Jaime Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Osorno-Villegas]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fuentes-Díaz]]></surname>
<given-names><![CDATA[Carlos Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Militar Central  ]]></institution>
<addr-line><![CDATA[Barranquilla ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Militar Central  ]]></institution>
<addr-line><![CDATA[Bogotá D.C. ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Militar Central  ]]></institution>
<addr-line><![CDATA[Bogotá D.C. ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>36</volume>
<numero>4</numero>
<fpage>647</fpage>
<lpage>656</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2011-75822021000400647&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2011-75822021000400647&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2011-75822021000400647&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción.  En Colombia el cáncer gástrico representa un problema de salud pública teniendo en cuenta su alta incidencia y sus elevadas tasas de mortalidad. Cerca del 15 % de los pacientes sufren una pérdida significativa de peso, lo que se asocia con un incremento en la morbilidad y mortalidad.  Método.  Se realizó un estudio de corte transversal, con el objetivo de determinar la presencia de sarcopenia a través de la medición del índice del psoas por tomografía computarizada y su asociación con morbimortalidad postoperatoria temprana en pacientes con cáncer gástrico. Se incluyeron los pacientes con cáncer gástrico admitidos entre el 1° de enero de 2014 y el 31 de agosto de 2019 en el Hospital Militar Central, en Bogotá, D.C., Colombia. Se hizo un análisis descriptivo, un análisis bivariado y un análisis de regresión logística univariado para determinar la asociación de sarcopenia y complicaciones a 30 días. Todos los análisis fueron realizados en R®.  Resultados.  Se estudiaron 70 pacientes, encontrando una frecuencia de sarcopenia de 54,3 % (n=38), edad media de 69 años (RIC 54 - 74), mayor proporción de hombres 68,6 % (n=48), siendo menor en el grupo de sarcopenia 55,3 % (n=21), índice de psoas de 0,63 mm (RIC 0,55 - 0,7), mortalidad 2,9 % (n=2) y asociación de sarcopenia con desenlaces a 30 días (OR 1,2; IC95% 0,59 - 2,4).  Discusión.  Se encontraron resultados similares a los informados en la literatura mundial, con una mortalidad inferior al 3 %. En este estudio, la sarcopenia no se asoció con la aparición de complicaciones a 30 días.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction.  Gastric cancer represents a public health problem in Colombia considering its high incidence and high mortality rates. About 15% of patients suffer a significant weight loss, which is associated with an increase in morbidity and mortality.  Method.  A cross-sectional study was carried out in order to determine the presence of sarcopenia by measuring the psoas index by computed tomography and its association with early postoperative morbidity and mortality in patients with gastric cancer. Gastric cancer patients admitted between January 1, 2014 and August 31, 2019 at Hospital Militar Central, in Bogotá, D.C., Colombia were included. Descriptive analysis, bivariate analysis, and univariate logistic regression analysis were performed to determine the association of sarcopenia and complications at 30 days. All analyzes were performed in R®.  Results.  Seventy patients were studied, finding a frequency of sarcopenia of 54.3% (n=38), mean age of 69 years (IQR 54-74), higher proportion of men 68.6% (n=48), being lower in sarcopenia group 55.3% (n=21), psoas index of 0.63 mm (IQR 0.55 - 0.7), mortality 2.9% (n=2) and no association of sarcopenia with outcomes a 30 days (OR 1.2; 95% CI 0.59 - 2.4).  Discussion.  Similar results were found to those reported in the world literature, with a mortality of less than 3%. In this study, sarcopenia was not associated with the development of complications at 30 days.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[cáncer gástrico]]></kwd>
<kwd lng="es"><![CDATA[medición]]></kwd>
<kwd lng="es"><![CDATA[índice]]></kwd>
<kwd lng="es"><![CDATA[psoas]]></kwd>
<kwd lng="es"><![CDATA[tomografía]]></kwd>
<kwd lng="es"><![CDATA[mortalidad]]></kwd>
<kwd lng="en"><![CDATA[gastric cancer]]></kwd>
<kwd lng="en"><![CDATA[measurement]]></kwd>
<kwd lng="en"><![CDATA[index]]></kwd>
<kwd lng="en"><![CDATA[psoas]]></kwd>
<kwd lng="en"><![CDATA[tomography]]></kwd>
<kwd lng="en"><![CDATA[mortality]]></kwd>
</kwd-group>
</article-meta>
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