<?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>1684-1824</journal-id>
<journal-title><![CDATA[Revista Médica Electrónica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Med.Electrón.]]></abbrev-journal-title>
<issn>1684-1824</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de Matanzas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1684-18242021000300616</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Infección por Helicobacter pylori y factores asociados en adultos con sospecha clínica de úlcera duodenal]]></article-title>
<article-title xml:lang="en"><![CDATA[Helicobacter pylori infection and associated factors in adults with a clinical suspicion of duodenal ulcer]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Bastán]]></surname>
<given-names><![CDATA[Jesús Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Ponce]]></surname>
<given-names><![CDATA[Regla]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[La Rosa Hernández]]></surname>
<given-names><![CDATA[Bernardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana Policlínico Docente Marcio Manduley de Centro Habana ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana Policlínico Docente Wilfredo Santana Rivas ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana Policlínico Docente Camilo Cienfuegos de Habana del Este ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>43</volume>
<numero>3</numero>
<fpage>616</fpage>
<lpage>628</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1684-18242021000300616&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1684-18242021000300616&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1684-18242021000300616&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  la infección por Helicobacter pylori es la enfermedad bacteriana crónica que afecta con mayor prevalencia al ser humano.  Objetivo:  identificar la frecuencia de infección por Helicobacter pylori y su relación con variables consideradas factores de riesgo de esta infección.  Materiales y métodos: estudio de corte transversal realizado en el Policlínico Docente Camilo Cienfuegos, del municipio Habana del Este, durante el año 2018, en un universo de 42 pacientes con 18 años y más de edad, con sospecha clínica y hallazgo endoscópico de úlcera duodenal e informe del resultado de estudio histológico para el diagnóstico de la infección. Se confeccionó una planilla de recolección de datos que incluyó variables como hacinamiento, agua de consumo, lugar de nacimiento, estancia en una institución, contacto con animales y antecedentes familiares. Se determinó relación entre variables con la prueba de chi cuadrado (c2) con significación estadística &#594; = 0,05, y se identificaron variables cuyos coeficientes fueron significativamente diferentes de 0 (p &lt; 0,05). La fuerza de asociación se determinó mediante odds ratio.  Resultados:  la prevalencia fue de 59,5 %. Se encontró asociación estadística y constituyeron factores de riesgo de infección por Helicobacter pylori, el hacinamiento (c2 = 4,37; OR = 3,89), el agua de consumo (c2 = 4,92; OR = 3,43), el contacto con animales (c2 = 7,41; OR = 6,17) y los antecedentes familiares (c2 = 13,18; OR = 13).  Conclusiones: el estudio permitió determinar la prevalencia de infección por Helicobacter pylori y las principales variables asociadas, coincidiendo con otros estudios revisados que tratan el tema.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: the infection by Helicobacter pylori is the chronic bacterial disease that affects the human being with greater prevalence.  Objective:  to identify the frequency of the infection by Helicobacter pylori and its relationship with variables considered risk factors for this infection.  Materials and methods: a cross-sectional study was carried out in the teaching Polyclinic Camilo Cienfuegos, municipality Habana del Este, during 2018. In a universe of 42 patients aged 18 years and over, with clinical suspicion and endoscopic diagnosis of duodenal ulcer and histological study report for the diagnosis of the infection. A data collection form was made, which included variables such as: overcrowding, consumption water, place of birth, staying in an institution, contact with animals, and family history. The relationship within variables was found using the chi-square test (c2) with statistical significance &#594; = 0.05, and there were identified variables significantly different from 0 (p &lt; 0.05). The association strength was determined through odds ratio.  Results:  the prevalence was 59.5%. Statistical association was found and overcrowding (c2 = 4.37, OR = 3.89), consumption water (c2 = 4.92; OR = 3.43), contact with animals (c2 = 7.41, OR = 6.17) and family history (c2 = 13.18, OR = 13) were found risk factors for Helicobacter pylori infection.  Conclusions: the study allowed to determine the prevalence of Helicobacter pylori infection and the main associated variables, coinciding with other reviewed studies dealing with the subject.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Helicobacter pylori]]></kwd>
<kwd lng="es"><![CDATA[prevalencia]]></kwd>
<kwd lng="es"><![CDATA[factores de riesgo]]></kwd>
<kwd lng="en"><![CDATA[Helicobacter pylori]]></kwd>
<kwd lng="en"><![CDATA[prevalence]]></kwd>
<kwd lng="en"><![CDATA[risk factors]]></kwd>
</kwd-group>
</article-meta>
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