<?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>S0120-99572021000100058</article-id>
<article-id pub-id-type="doi">10.22516/25007440.594</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Real-time elastography (Supersonic), experience of a medical center in Bogotá]]></article-title>
<article-title xml:lang="es"><![CDATA[Elastografía en tiempo real (Supersonic), experiencia de un centro en Bogotá]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Prieto-O]]></surname>
<given-names><![CDATA[Jhon E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garzón-Orjuela]]></surname>
<given-names><![CDATA[Nathaly]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-P]]></surname>
<given-names><![CDATA[Santiago]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Prieto-O]]></surname>
<given-names><![CDATA[Robin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ochoa-D]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soto-O]]></surname>
<given-names><![CDATA[Pedro H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Eslava-Schmalbach]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Enfermedades Hepáticas y Digestivas (CEHYD)  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Clínicas Colsanitas  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Industrial de Santander  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Nacional de Colombia Faculty of Medicine ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<volume>36</volume>
<numero>1</numero>
<fpage>58</fpage>
<lpage>64</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-99572021000100058&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-99572021000100058&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-99572021000100058&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Real-time two-dimensional shear wave elastography (2D-SWE) (Supersonic Imagine SA), is a non-invasive test used to determine liver elasticity and calculate the degree of liver fibrosis. In Colombia, this test was introduced in 2016 and, to date, no study has tested its behavior in all liver patients, only in healthy and cirrhotic patients.  Objective:  To analyze the experience of real-time elastography implementation in subjects treated at the Centro de Enfermedades Hepáticas y Digestivas in Bogotá, Colombia.  Materials and methods:  This is a retrospective descriptive study of a cohort of subjects treated between March 2016 and July 2017. A complete medical report and a real-time elastography (Supersonic) test were performed.  Results:  654 subjects were included, with a median age of 55 years (interquartile range [IQR]: 45-64). The median fibrosis values expressed in kilopascals (kPs) were 8.3, with an average of 5 measurements. There was a significant difference in the degree of fibrosis between the age groups and in relation to the final diagnosis, where there was a greater fibrosis in the cholestatic disease group (autoimmune, primary biliary cholangitis [PBC], and overlap). The overall failure rate was less than 1 %.  Conclusions:  This is the first description of this test behavior in the country. Hepatic stiffness values observed in the different stages demonstrate the usefulness of the test to establish the degree of liver fibrosis in patients with multiple diseases.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La elastografía en tiempo real, 2D-SWE (Supersonic), es una prueba no invasiva que se utiliza para determinar la elasticidad del hígado y, de esa forma, calcular el grado de fibrosis hepática. En Colombia, la prueba se introdujo en 2016 y no existen hasta el momento estudios del comportamiento de la prueba en todos los pacientes hepáticos, solo se han publicado en pacientes sanos y cirróticos.  Objetivo: Analizar la experiencia de la aplicación de la elastografía en tiempo real, en sujetos atendidos en el centro de enfermedades hepáticas y digestivas de Bogotá, Colombia.  Materiales y métodos: Estudio descriptivo retrospectivo de una cohorte de sujetos atendidos entre marzo de 2016 y julio de 2017. Se realizó una historia clínica completa y una prueba de elastografía en tiempo real (Supersonic).  Resultados: Se incluyeron 654 sujetos, con una mediana de edad de 55 años (rango intercuartílico [RIC]: 45-64). La mediana de valores de fibrosis expresada en kilopascales (kPs) fue de 8,3, con un promedio de 5 mediciones. Se observó una diferencia significativa en el grado de fibrosis entre los grupos de edad y en relación con el diagnóstico final, donde se evidenció una mayor fibrosis en el grupo de enfermedades colestásicas (autoinmune, colangitis biliar primaria [CBP] y superposición autoinmune-CBP). La tasa global de fracaso fue menor al 1%.  Conclusiones: Es la primera descripción del comportamiento de la prueba a nivel nacional. Los valores de rigidez hepática observados en los diferentes estadios demuestran la utilidad de la prueba para la determinación de la fibrosis hepática en pacientes con diferentes patologías.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[2D-SWE]]></kwd>
<kwd lng="en"><![CDATA[Real-time elastography]]></kwd>
<kwd lng="en"><![CDATA[Supersonic]]></kwd>
<kwd lng="en"><![CDATA[Liver fibrosis]]></kwd>
<kwd lng="en"><![CDATA[Non-invasive assessment of liver fibrosis]]></kwd>
<kwd lng="es"><![CDATA[2D-SWE]]></kwd>
<kwd lng="es"><![CDATA[elastografía en tiempo real]]></kwd>
<kwd lng="es"><![CDATA[Supersonic]]></kwd>
<kwd lng="es"><![CDATA[fibrosis hepática]]></kwd>
<kwd lng="es"><![CDATA[evaluación no invasiva de la fibrosis hepática]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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