<?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>0120-9957</journal-id>
<journal-title><![CDATA[Revista colombiana de Gastroenterología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. colomb. Gastroenterol.]]></abbrev-journal-title>
<issn>0120-9957</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Gastroenterología  ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-99572021000400494</article-id>
<article-id pub-id-type="doi">10.22516/25007440.773</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Lights and shadows in predicting choledocholithiasis: Opportunities for future research]]></article-title>
<article-title xml:lang="es"><![CDATA[Luces y sombras en la predicción de coledocolitiasis: oportunidades para la investigación futura]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras]]></surname>
<given-names><![CDATA[Sebastián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez]]></surname>
<given-names><![CDATA[Luis Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdivieso]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Clínica Universidad de la Sabana  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[Chía Cundinamarca]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro Internacional de Enfermedades Digestivas  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></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>494</fpage>
<lpage>500</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-99572021000400494&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-99572021000400494&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-99572021000400494&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Secondary choledocholithiasis is a disease of high prevalence that involves diagnostic and treatment challenges; it implies a high use of resources and economic costs. There are significant knowledge gaps related to clinical prediction models, risk group classification, and patient treatment in secondary choledocholithiasis cases. Those gaps include diagnostic performance, variables, and risk thresholds, as well as cost-effectiveness for the use of non-invasive and invasive resources, and their application in special population groups. This study analyzes those knowledge gaps and outlines a guideline that could lead future research.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La coledocolitiasis secundaria es una entidad de alta prevalencia que involucra desafíos de diagnóstico y tratamiento; asimismo, genera un elevado uso de recursos y costo económico. Existen múltiples vacíos de conocimiento con respecto a los modelos de predicción clínica para el diagnóstico, estratificación en grupos de riesgo y manejo de pacientes con coledocolitiasis secundaria. Los principales vacíos recaen sobre su rendimiento diagnóstico, variables incluidas y umbrales de riesgo, así como sobre su costo-efectividad para el uso de recursos no invasivos e invasivos, y aplicación en grupos poblacionales especiales. Este artículo ahonda estos vacíos de conocimiento y propone una agenda que puede orientar la investigación futura.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Choledocholithiasis]]></kwd>
<kwd lng="en"><![CDATA[Choledocholithiasis risk]]></kwd>
<kwd lng="en"><![CDATA[Diagnostic]]></kwd>
<kwd lng="en"><![CDATA[Prediction model]]></kwd>
<kwd lng="en"><![CDATA[Thresholds]]></kwd>
<kwd lng="es"><![CDATA[Coledocolitiasis]]></kwd>
<kwd lng="es"><![CDATA[riesgo de coledocolitiasis]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico]]></kwd>
<kwd lng="es"><![CDATA[modelo de predicción]]></kwd>
<kwd lng="es"><![CDATA[umbrales]]></kwd>
</kwd-group>
</article-meta>
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