<?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>S1870-72032023000400356</article-id>
<article-id pub-id-type="doi">10.35366/112646</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Impacto del bypass gástrico en Y de Roux como tratamiento de reflujo gastroesofágico en pacientes con obesidad en un centro de tercer nivel]]></article-title>
<article-title xml:lang="en"><![CDATA[Impact of Roux-en-Y gastric bypass as a treatment for gastroesophageal reflux in patients with obesity in a tertiary center]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medina Medrano]]></surname>
<given-names><![CDATA[Miguel Angel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medina González]]></surname>
<given-names><![CDATA[Salvador]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado Pintado]]></surname>
<given-names><![CDATA[Diana Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado Vazquez]]></surname>
<given-names><![CDATA[María Angélica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romano Bautista]]></surname>
<given-names><![CDATA[Luis Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vences Anaya]]></surname>
<given-names><![CDATA[Diego Adrián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alvarado Durán]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo González]]></surname>
<given-names><![CDATA[Federico Armando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Angeles Pedregal Servicio de Cirugía Bariátrica y Gastrointestinal Avanzada ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>21</volume>
<numero>4</numero>
<fpage>356</fpage>
<lpage>362</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032023000400356&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032023000400356&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032023000400356&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  la obesidad es el principal factor de riesgo modificable para el desarrollo de enfermedades crónicas, incluyendo reflujo gastroesofágico (RGE). México es el país con la prevalencia más alta de sobrepeso (43.9%) en Latinoamérica. El RGE afecta a un tercio de la población general y hasta 70% de los pacientes con obesidad. El bypass gástrico en Y de Roux (BGYR) ha demostrado ser altamente efectivo en pacientes con obesidad severa y RGE, con 97% de remisión de síntomas; este estudio busca demostrar el impacto que tiene el BGYR sobre el RGE, en pacientes con obesidad, que no responden a un tratamiento convencional.  Material y métodos:  estudio retrospectivo, observacional, analítico con base en expedientes clínicos de pacientes con obesidad y RGE sometidos a BGYR.  Resultados:  se estudiaron 84 pacientes con RGE y obesidad, con lo que se obtuvo una remisión clínica de hasta 89.7% (p &lt; 0.001), una disminución del grado de esofagitis por hallazgo endoscópico (p &lt; 0.001) y del reflujo a través del esofagograma (p &lt; 0.039) posterior a un año del BGYR.  Conclusión:  el BGYR es una herramienta útil en el tratamiento de RGE en pacientes con obesidad refractarios a tratamiento convencional, con remisión clínica de sintomatología.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  obesity is the main modifiable risk factor for the development of chronic diseases, including gastroesophageal reflux (GER). Mexico is the country with the highest prevalence of overweight in Latin America (43.9%). GER affects one third of the general population, and up to 70% of patients with obesity. The Roux-Y gastric bypass (RYGB) has proven to be highly effective in patients with severe obesity and GER, with 97% remission of symptoms. This study seeks to demonstrate the impact that RYGB has on GER in obese patients who do not respond to conventional treatment.  Material and methods:  retrospective, observational, analytical study based on clinical records of patients with obesity and GER undergoing RYGB.  Results:  84 patients with GER and obesity were studied, obtaining a clinical remission of 89.7% (p &lt; 0.001), a decrease in the degree of esophagitis by endoscopic finding (p &lt; 0.001) and reflux through the esophagogram (p &lt; 0.039) after a year of RYGB.  Conclusion:  RYGB is a useful tool in the treatment of GER in patients with obesity refractory to conventional treatment, with clinical remission of symptoms.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[obesidad]]></kwd>
<kwd lng="es"><![CDATA[refractarios]]></kwd>
<kwd lng="es"><![CDATA[reflujo gastroesofágico]]></kwd>
<kwd lng="es"><![CDATA[bypass gástrico en Y de Roux]]></kwd>
<kwd lng="en"><![CDATA[obesity]]></kwd>
<kwd lng="en"><![CDATA[refractory]]></kwd>
<kwd lng="en"><![CDATA[gastroesophageal reflux]]></kwd>
<kwd lng="en"><![CDATA[Roux-en-Y gastric bypass]]></kwd>
</kwd-group>
</article-meta>
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