<?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>0123-9392</journal-id>
<journal-title><![CDATA[Infectio]]></journal-title>
<abbrev-journal-title><![CDATA[Infect.]]></abbrev-journal-title>
<issn>0123-9392</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Infectología.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0123-93922022000100046</article-id>
<article-id pub-id-type="doi">10.22354/in.v26i1.993</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estimación de la frecuencia de infección por Helicobacter pylori en pacientes con lesiones potencialmente malignas gástricas del municipio de Pasto-Nariño, 2016-2019]]></article-title>
<article-title xml:lang="en"><![CDATA[Estimation of the frequency of Helicobacter pylori infection in patients with potentially malignant stomach lesions of the city of Pasto- Nariño, 2016-2019.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mejia-Ortiz]]></surname>
<given-names><![CDATA[Lizeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosero-Galindo]]></surname>
<given-names><![CDATA[Carol Yovanna]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carlosama-Rosero]]></surname>
<given-names><![CDATA[Yeison Harvey]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-Giraldo]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Cooperativa de Colombia Facul tad de Medicina Grupo interdisciplinario de investigación en Salud - Enfermedad (GIISE)]]></institution>
<addr-line><![CDATA[Pasto ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Uni versidad del Valle Facultad de Ciencias Naturales y Exactas Departamento de Biología]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,aff3  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af4">
<institution><![CDATA[,aff4  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af5">
<institution><![CDATA[,Laboratorio de Patólogos Asociados  ]]></institution>
<addr-line><![CDATA[Pasto ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,aff6  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>26</volume>
<numero>1</numero>
<fpage>46</fpage>
<lpage>53</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0123-93922022000100046&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0123-93922022000100046&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0123-93922022000100046&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Estimar la frecuencia de infección por Helicobacter pylori en lesiones potencialmente malignas gástricas de pacientes de la ciudad de Pasto, Nariño.  Materiales y métodos: Estudio retrospectivo con análisis secundario de información sociodemográfica e histopatológica obtenida de reportes de patología para biopsias gástricas de pacientes del departamento de Nariño, Colombia del año 2016-2019.  Resultados: Los pacientes de la ciudad de Pasto (n=359) presentaron una frecuencia de infección por Helicobacter pylori de 35.6%, siendo significativamente mayor en hombres que en mujeres (p=0.037). La edad promedio de los hombres positivos para Helicobacter pylori fue de 44 años y de las mujeres de 47 años (p&lt;0.001). La edad promedio de los casos de gastritis crónica atrófica en hombres y mujeres fue de 49 y 54 años respectivamente (p&lt;0.001) y de metaplasia intestinal fue de 59 años en hombres y 61 años en mujeres (p&lt;0.001).  Conclusiones: En el presente estudio, la detección de Helicobacter pylori fue mayor en el grupo de hombres en comparación al de las mujeres (43.2% vs 31.6% respectivamente). La frecuencia de gastritis crónica atrófica y metaplasia intestinal en hombres fue de 37.9% y 23.1% respectivamente; mientras que en mujeres fue de 35.2% y 15.1% respectivamente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Aim: To estimate the frequency of Helicobacter pylori infection in potentially malignant stomach lesions in patients of the city of Pasto- Nariño.  Materials and methods: Retrospective study with secondary analysis of sociodemographic and histopathological information derived from pathology reports for gastric biopsies of patients from the department of Nariño, Colombia from year 2016-2019.  Results: Patients from the city of Pasto (n=359) presented a percentage of detection for Helicobacter pylori of 35.6% and the infection was significantly higher in men than in women (p=0.037). The average age of men positive for Helicobacter pylori was 44 years and women 47 years (p&lt;0.001). The average age of the cases of chronic atrophic gastritis in men and women was 49 and 54 years respectively (p&lt;0.001) and for intestinal metaplasia cases, the average age was 59 years in men and 61 years in women (p&lt;0.001).  Conclusions: In the present study, the detection of Helicobacter pylori was higher in the male group compared to the female group (43.2% vs 31.6% respectively). The frequency of atrophic chronic gastritis and intestinal metaplasia in men was 37.9% and 23.1% respectively; in women was 35.2% and 15.1% respectively.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Helicobacter pylori]]></kwd>
<kwd lng="es"><![CDATA[gastritis atrófica]]></kwd>
<kwd lng="es"><![CDATA[metaplasia intestinal]]></kwd>
<kwd lng="es"><![CDATA[enfermedades del estómago.]]></kwd>
<kwd lng="en"><![CDATA[Helicobacter pylori]]></kwd>
<kwd lng="en"><![CDATA[atrophic gastritis]]></kwd>
<kwd lng="en"><![CDATA[metaplasia]]></kwd>
<kwd lng="en"><![CDATA[stomach diseases]]></kwd>
</kwd-group>
</article-meta>
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