<?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>0484-7903</journal-id>
<journal-title><![CDATA[Revista mexicana de anestesiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. anestesiol.]]></abbrev-journal-title>
<issn>0484-7903</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Anestesiología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0484-79032022000400238</article-id>
<article-id pub-id-type="doi">10.35366/106342</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Impact of carbon dioxide values after aortic impingement on postoperative morbimortality in pediatric patients undergoing cardiac surgery]]></article-title>
<article-title xml:lang="es"><![CDATA[Impacto de los valores de bióxido de carbono post-pinzamiento aórtico sobre la morbimortalidad postoperatoria en pacientes pediátricos sometidos a cirugía cardíaca]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León-Ramírez]]></surname>
<given-names><![CDATA[Víctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santiago-López]]></surname>
<given-names><![CDATA[Janaí]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fraga-Hernández]]></surname>
<given-names><![CDATA[Martha Lizeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soto-Dávila]]></surname>
<given-names><![CDATA[Marco Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guedes-Nicolá]]></surname>
<given-names><![CDATA[Luis Humberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-López]]></surname>
<given-names><![CDATA[Marlene]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Mexican Institute of Social Security Siglo XXI National Medical Center ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Mexican Institute of Social Security Siglo XXI National Medical Center Cardiology Hospital]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Mexican Institute of Social Security Siglo XXI National Medical Center Hospital de Pediatría «Dr. Silvestre Frenk Freund»]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Mexican Institute of Social Security Siglo XXI National Medical Center Hospital de Pediatría «Dr. Silvestre Frenk Freund»]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Mexican Institute of Social Security Siglo XXI National Medical Center Hospital de Pediatría «Dr. Silvestre Frenk Freund»]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>45</volume>
<numero>4</numero>
<fpage>238</fpage>
<lpage>243</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0484-79032022000400238&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0484-79032022000400238&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0484-79032022000400238&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Inducing hypocapnia is a common practice during pediatric general anesthesia, even though it has not shown clear benefits.  Objective:  To compare the impact of carbon dioxide values after aortic impingement (&lt; 32.7 vs &#8805; 32.7 mmHg) on postoperative morbimortality among pediatric patients undergoing cardiac surgery.  Material and methods:  A case-control study included 90 pediatric patients undergoing cardiac surgery with cardiopulmonary bypass. The study cases consisted of 45 patients who died within 30 days of the postoperative period. Cases and controls were individually matched (1:1 ratio). Descriptive and inferential statistics (Mann-Whitney&#8217;s U, Student&#8217;s t and &#967;2 tests) were used to analyze the results. A p &lt; 0.05 was considered significant. A univariate analysis was also carried out. The strength of association between morbimortality and carbon dioxide values after aortic impingement was determined using the odds ratio. The data were processed using SPSS v-24.0.  Results:  The group with carbon dioxide values of &lt; 32.7 mmHg after aortic impingement was associated with greater morbidity (OR 24.75; 95% CI 4.92-124.32) and mortality (OR 22.47; 95% CI 4.85-10.17) at 30 days.  Conclusion:  Pediatric patients undergoing cardiac surgery with carbon dioxide values of &lt; 32.7 mmHg after aortic impingement showed higher postoperative morbimortality than those with carbon dioxide values of &#8805; 32.7 mmHg.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  La hipocapnia es una práctica común durante la anestesia general pediátrica; sin embargo, a lo largo del tiempo no ha mostrado beneficios bien definidos.  Objetivo:  Comparar el impacto del bióxido de carbono post-pinzamiento aórtico (&lt; 32.7 vs &#8805; 32.7 mmHg) sobre la morbimortalidad postoperatoria en los pacientes pediátricos sometidos a cirugía cardíaca.  Material y métodos:  Se realizó un estudio de casos y controles que incluyó 90 pacientes pediátricos sometidos a cirugía cardíaca con derivación cardiopulmonar. Se consideraron casos 45 pacientes que fallecieron dentro de los 30 días del postoperatorio. Los controles fueron pareados en relación 1:1. Para su análisis se realizó estadística descriptiva e inferencial con U de Mann-Whitney, t de Student y &#967;2 según fue el caso. Una p &lt; 0.05 fue significativa. Se realizó un análisis univariado. La fuerza de asociación entre la morbimortalidad y los valores de bióxido de carbono post-pinzamiento aórtico se obtuvo mediante el odds ratio. Los datos fueron procesados mediante SPSS v-24.0.  Resultados:  El grupo con valores de bióxido de carbono post-pinzamiento aórtico &lt; 32.7 mmHg se asoció con una mayor morbilidad a los 30 días (OR 24.75; IC del 95% 4.92-124.32) y mortalidad (OR 22.47; IC del 95% 4.85-10.17).  Conclusión:  Los pacientes pediátricos sometidos a cirugía cardíaca con valores de bióxido de carbono post-pinzamiento aórtico &lt; 32.7 mmHg tienen mayor morbimortalidad postoperatoria que los que tienen valores &#8805; 32.7 mmHg.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Carbon dioxide]]></kwd>
<kwd lng="en"><![CDATA[hypocapnia]]></kwd>
<kwd lng="en"><![CDATA[heart surgery]]></kwd>
<kwd lng="en"><![CDATA[pediatrics]]></kwd>
<kwd lng="en"><![CDATA[mortality]]></kwd>
<kwd lng="es"><![CDATA[Bióxido de carbono]]></kwd>
<kwd lng="es"><![CDATA[hipocapnia]]></kwd>
<kwd lng="es"><![CDATA[cirugía cardíaca]]></kwd>
<kwd lng="es"><![CDATA[pediatría]]></kwd>
<kwd lng="es"><![CDATA[mortalidad]]></kwd>
</kwd-group>
</article-meta>
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