<?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>1870-7203</journal-id>
<journal-title><![CDATA[Acta médica Grupo Ángeles]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. Grupo Ángeles]]></abbrev-journal-title>
<issn>1870-7203</issn>
<publisher>
<publisher-name><![CDATA[Grupo Ángeles, Servicios de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-72032025000200109</article-id>
<article-id pub-id-type="doi">10.35366/119471</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Incidencia de transfusión de hemoderivados en pacientes operados de artroplastia total de rodilla en el CMN 20 de Noviembre]]></article-title>
<article-title xml:lang="en"><![CDATA[Incidence of blood of transfusion in patients undergoing total knee arthroplasty at the CMN 20 de Noviembre]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Farfán Gómez]]></surname>
<given-names><![CDATA[Juan Ignacio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sierra Pérez]]></surname>
<given-names><![CDATA[Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nuñez Robles]]></surname>
<given-names><![CDATA[Julio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Médico Nacional 20 de Noviembre  ]]></institution>
<addr-line><![CDATA[CDMX ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Nuevo Sanatorio Durango  ]]></institution>
<addr-line><![CDATA[CDMX ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro Médico Nacional 20 de Noviembre  ]]></institution>
<addr-line><![CDATA[CDMX ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>23</volume>
<numero>2</numero>
<fpage>109</fpage>
<lpage>114</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032025000200109&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032025000200109&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032025000200109&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  la artroplastia total primaria de rodilla (ATR) es el tratamiento definitivo para la gonartrosis en sus etapas finales, siendo un procedimiento mayor. Entre los riesgos más relevantes se encuentran el sangrado excesivo, requiriendo el uso de transfusión de hemoderivados, generando morbilidad asociada e incremento en el uso de recursos materiales y financieros en las instituciones de salud. En el servicio de Ortopedia del Centro Médico Nacional (CMN) 20 de Noviembre no se ha evaluado la incidencia real de esta condición.  Objetivo:  describir la incidencia de transfusión de hemoderivados en pacientes postoperados de ATR en el CMN 20 de Noviembre.  Material y Métodos:  se revisaron los expedientes clínicos de pacientes sometidos a ATR en el CMN 20 de Noviembre de enero de 2021 a diciembre de 2022.  Resultados:  se realizó cálculo matemático de Incidencia de transfusión de hemoderivados de los 45 pacientes incluidos en este estudio con una incidencia del 6.7% de los postoperados de ATR en el CMN ISSSTE 20 de Noviembre para el periodo previamente descrito  Conclusiones:  en Estados Unidos se estima que anualmente se realizan 600,000 ATR de las cuales del 20-44% requieren hemotransfusiones, que comparado con nuestra incidencia del 6.7% en nuestro centro, representa un índice transfusional sustancialmente menor.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  primary total knee arthroplasty (TKA) is a major procedure, the definitive treatment for gonarthrosis in its final stages. Among the most relevant risks are excessive bleeding, requiring the use of blood transfusion, generating associated morbidity, and an increase in the use of material and financial resources in health institutions. In the Orthopedics service of the CMN 20 de Noviembre, the actual incidence of this condition has not been evaluated.  Objective:  to describe the incidence of transfusion of blood products in post-TKA patients at the CMN 20 de Noviembre.  Material and methods:  the clinical records of patients undergoing TKA at the CMN November 20 from January 2021 to December 2022 were reviewed.  Results:  a mathematical calculation of the incidence of transfusion of blood products in the 45 patients included in this study was performed. Study with an incidence of 6.7% of post-TKA patients at the CMN ISSSTE 20 de Noviembre for the previously described period.  Conclusions:  in the United States, it is estimated that 600,000 TKAs are performed annually, of which 20-44% require blood transfusions. Compared to our incidence of 6.7% in our center, it represents a substantially lower transfusion rate.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[transfusión]]></kwd>
<kwd lng="es"><![CDATA[hemoderivados]]></kwd>
<kwd lng="es"><![CDATA[artroplastia de rodilla]]></kwd>
<kwd lng="es"><![CDATA[gonartrosis]]></kwd>
<kwd lng="en"><![CDATA[transfusion]]></kwd>
<kwd lng="en"><![CDATA[blood products]]></kwd>
<kwd lng="en"><![CDATA[knee arthroplasty]]></kwd>
<kwd lng="en"><![CDATA[gonarthrosis]]></kwd>
</kwd-group>
</article-meta>
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