<?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>S1870-72032019000100033</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Preparación del colon en la cirugía colorrectal electiva]]></article-title>
<article-title xml:lang="en"><![CDATA[Colon preparation for elective colorectal surgery]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arredondo Ortiz]]></surname>
<given-names><![CDATA[Mario Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Amador]]></surname>
<given-names><![CDATA[José Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villanueva Sáenz]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad La Salle Facultad Mexicana de Medicina ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Ángeles Pedregal  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<volume>17</volume>
<numero>1</numero>
<fpage>33</fpage>
<lpage>37</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032019000100033&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032019000100033&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032019000100033&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La preparación del colon en la cirugía colorrectal electiva es controversial. Durante las últimas dos décadas, ha surgido evidencia que sugiere que la preparación mecánica por sí sola no ofrece beneficio en cuanto a disminuir el riesgo de complicaciones infecciosas u otras causas de morbilidad, por lo que debe abandonarse. Lo anterior va en contra de lo que se consideraba una práctica de rutina desde hace casi un siglo. Sin embargo, la combinación de antibióticos orales y preparación mecánica ha demostrado ser significativamente efectiva en la disminución de infección del sitio quirúrgico, fuga anastomótica e íleo postquirúrgico, lo que repercute en una menor estancia hospitalaria, readmisión y mortalidad en comparación con el uso de preparación mecánica exclusiva o ninguna preparación. Sin embargo, aún hacen falta estudios con alto nivel de evidencia para establecer esta práctica como una recomendación generalizada. Mientras tanto, la evidencia actual sugiere que debería usarse preparación mecánica en combinación con antibióticos orales para disminuir la morbilidad y mortalidad en estos pacientes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Bowel preparation prior to an elective colorectal surgery is controversial. Throughout the last two decades, evidence has suggested that mechanical bowel preparation on its own does not offer a significant benefit in preventing infectious complications or other causes of patient morbidity, and that it should be abandoned. These findings contradict a practice that was considered a surgical dogma for almost a century. On the other hand, the combined use of oral antibiotics and mechanical bowel preparation has proved to be significantly effective in reducing surgical site infection, anastomotic leak, postoperative ileus, hospital stay, readmission and mortality, compared to mechanical bowel preparation only or no preparation. High-level evidence studies that prove that this practice should be universally adopted are still lacking. In the meantime, current available evidence suggests that the combination of mechanical preparation and oral antibiotics should be used in order to reduce morbidity and mortality in these patients.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Preparación del colon]]></kwd>
<kwd lng="es"><![CDATA[cirugía colorrectal electiva]]></kwd>
<kwd lng="es"><![CDATA[preparación mecánica]]></kwd>
<kwd lng="es"><![CDATA[antibióticos orales]]></kwd>
<kwd lng="es"><![CDATA[infección del sitio quirúrgico]]></kwd>
<kwd lng="en"><![CDATA[Bowel preparation]]></kwd>
<kwd lng="en"><![CDATA[elective colorectal surgery]]></kwd>
<kwd lng="en"><![CDATA[mechanical bowel preparation]]></kwd>
<kwd lng="en"><![CDATA[oral antibiotics]]></kwd>
<kwd lng="en"><![CDATA[surgical site infection]]></kwd>
</kwd-group>
</article-meta>
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