<?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 Col 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>S0120-99572019000300237</article-id>
<article-id pub-id-type="doi">10.22516/25007440.292</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efectividad de las vitaminas C y E como tratamiento adyuvante a la terapia triple estándar para Helicobacter pylori en una cohorte de la Amazonía peruana]]></article-title>
<article-title xml:lang="en"><![CDATA[Effectiveness of vitamins C and E adjuvant to standard triple therapy for Helicobacter pylori in a cohort from the Peruvian Amazon]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cubas]]></surname>
<given-names><![CDATA[Wildor Samir]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes Cahuila]]></surname>
<given-names><![CDATA[Rómulo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arévalo Ramírez]]></surname>
<given-names><![CDATA[Heriberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quispe]]></surname>
<given-names><![CDATA[Antonio M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de San Martín  ]]></institution>
<addr-line><![CDATA[San Martín ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Essalud II-Tarapoto  ]]></institution>
<addr-line><![CDATA[San Martín ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional de San Martín  ]]></institution>
<addr-line><![CDATA[San Martín ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Continental  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<volume>34</volume>
<numero>3</numero>
<fpage>237</fpage>
<lpage>243</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-99572019000300237&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-99572019000300237&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-99572019000300237&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción y objetivos:  la terapia con vitaminas C y E ha sido propuesta como adyuvante a la terapia triple estándar (TTE) con el fin de incrementar la tasa de erradicación del Helicobacter pylori (H. pylori). En este estudio probamos esta hipótesis en una cohorte de pacientes de la Amazonía peruana.  Materiales y métodos:  retrospectivamente, evaluamos una cohorte de 50 pacientes infectados con H. pylori del Hospital de Tarapoto en el período comprendido entre julio-diciembre de 2016; de estos, 25 fueron tratados con TTE (amoxicilina 1 g, claritromicina 500 mg y omeprazol 20 mg, dos veces al día por 14 días) en adyuvancia con las vitaminas C y E, y 25 fueron tomados al azar (1:1), quienes solo recibieron TTE. Se estimó y comparó la efectividad de ambos tratamientos utilizando un modelo regresión general lineal con familia Poisson y link log, teniendo como desenlace de interés la erradicación del H. pylori confirmada por histopatología.  Resultados:  al comparar la cohorte de expuestos y con los no expuestos, no se encontraron diferencias significativas en sus características basales, incluyendo edad (38 ± 11 frente a 36 ± 10 años), género masculino (65 % frente a 63 %), síntomas y diagnóstico histopatológico. Al comparar la efectividad de ambos tratamientos, se encontró un incrementó no significativo en las tasas de erradicación del 9,5 % (91 % frente a 82 %, razón de tasas de incidencia = 1,11; intervalo de confianza [IC] 95 %: 0,92 a 1,36).  Conclusiones:  la terapia adyuvante con vitaminas C y E podría ayudar a incrementar la efectividad de la TTE para H. pylori en pacientes de la Amazonía peruana, aunque se requiere confirmar esta hipótesis en un ensayo clínico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction and Objectives: Adjuvant therapy with vitamins C and E has been proposed to increase standard triple therapy&#8217;s Helicobacter pylori eradication rate. This study tested this hypothesis in a cohort of patients from the Peruvian Amazon.  Material and Methods: We retrospectively evaluated a cohort of 50 patients at Tarapoto Hospital who were treated for H. pylori infections from July to December 2016. Of these, 25 were randomly selected to receive standard triple therapy of 1 g amoxicillin, 500mg clarithromycin and 20mg omeprazole twice a day for 14 days plus adjuvant vitamins C and E. The other 25 only received standard triple therapy. The effectiveness of both treatments was estimated and compared using a general linear regression model using the Poisson family of distributions and log link with H. pylori eradication confirmed by histopathology as the outcome of interest.  Results: A comparison of the two groups found no significant differences in their baseline symptoms, histopathological diagnoses, ages (38 ± 11 years vs. 36 ± 10 years) or genders (65% male vs. 63% male). A comparison of the effectiveness both treatments found a non-significant increase in eradication rates of 9.5% (91% vs. 82%, incidence rate ratio = 1.11; 95% confidence interval: 0.92 to 1.36).  Conclusions: Adjuvant therapy with vitamins C and E may help increase the effectiveness of standard triple therapy for H. pylori in patients in the Peruvian Amazon, although this hypothesis needs to be confirmed in a clinical trial.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Ácido ascórbico]]></kwd>
<kwd lng="es"><![CDATA[vitamina E]]></kwd>
<kwd lng="es"><![CDATA[Helicobacter pylori]]></kwd>
<kwd lng="es"><![CDATA[Perú]]></kwd>
<kwd lng="en"><![CDATA[Ascorbic acid]]></kwd>
<kwd lng="en"><![CDATA[Vitamin E]]></kwd>
<kwd lng="en"><![CDATA[drug therapy]]></kwd>
<kwd lng="en"><![CDATA[Helicobacter pylori]]></kwd>
<kwd lng="en"><![CDATA[Peru]]></kwd>
</kwd-group>
</article-meta>
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