<?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>S1684-18242019000100189</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Píloro doble. Presentación de un caso y revisión de la literatura]]></article-title>
<article-title xml:lang="en"><![CDATA[Double pylorus. Case report and literature review]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Hernández]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estévez López]]></surname>
<given-names><![CDATA[Marlenin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrada Vaillant]]></surname>
<given-names><![CDATA[Annet]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Corrales Alonso]]></surname>
<given-names><![CDATA[Sahilí]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Haza Medina]]></surname>
<given-names><![CDATA[Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario Clínico Quirúrgico Provincial Comandante Faustino Pérez Hernández  ]]></institution>
<addr-line><![CDATA[ Matanzas]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2019</year>
</pub-date>
<volume>41</volume>
<numero>1</numero>
<fpage>189</fpage>
<lpage>195</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1684-18242019000100189&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1684-18242019000100189&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1684-18242019000100189&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El doble píloro es una comunicación anormal entre el antro gástrico y el bulbo duodenal y representa un raro hallazgo endoscópico. Se presentó un paciente de 80 años de edad, con antecedentes de hipertensión arterial, fumador inveterado, tomador de aspirina, que presentó melena aproximadamente 15 días antes del ingreso. La videoendoscopia reveló la existencia de dos orificios similares en el antro, que se comunicaban con el bulbo duodenal de manera independiente que fueron catalogados como píloros. La comunicación se constató con el paso del endoscopio a su través. Se impuso tratamiento médico con inhibidores de la bomba de protones y la evolución fue favorable. Es el cuarto caso reportado en la literatura en nuestro país y el primero en la provincia de Matanzas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Double pylorus is an abnormal communication between the gastric antrum and the duodenal bulb and represents a rare endoscopic finding. It is presented the case of a patient aged 80 years, with a background of arterial hypertension, inveterate smoker, taking aspirin, who presented melena about 15 days before the admission. The video-endoscopy revealed the existence of two similar orifices in the antrum that were independently communicating with the duodenal bulb and they went catalogued like pylori. The communication was proved by passing the endoscope through it. He was treated with IBP (the Spanish acronym for proton bomb inhibitors) and the evolution was favorable. It is the fourth case reported in the literature in Cuba and the first one in Matanzas.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[doble píloro]]></kwd>
<kwd lng="es"><![CDATA[úlcera péptica]]></kwd>
<kwd lng="es"><![CDATA[melena]]></kwd>
<kwd lng="es"><![CDATA[videoendoscopia]]></kwd>
<kwd lng="en"><![CDATA[double pylorus]]></kwd>
<kwd lng="en"><![CDATA[peptic ulcer]]></kwd>
<kwd lng="en"><![CDATA[melena]]></kwd>
<kwd lng="en"><![CDATA[video-endoscopy]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Roca Goderich]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<source><![CDATA[Temas de Medicina Interna. T. 2]]></source>
<year>2002</year>
<edition>4</edition>
<publisher-loc><![CDATA[La Habana ]]></publisher-loc>
<publisher-name><![CDATA[Editorial de Ciencias Médicas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Erturk]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Double pylorus; a complication of gastric ulcer]]></article-title>
<source><![CDATA[Rev Esp Enferm Dig]]></source>
<year>2012</year>
<volume>104</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>338-9</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lei]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Q]]></given-names>
</name>
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[CF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Acquired double pylorus: Clinical and endoscopic characteristics and four-year follow-up observations]]></article-title>
<source><![CDATA[World J Gastroenterol]]></source>
<year>2016</year>
<volume>22</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>2153-8</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fousekis]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Aggeli]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Kotsaftis]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Double Pylorus: Report of a Case With Endoscopic Follow-Up and Review of the literature]]></article-title>
<source><![CDATA[Gastroenterology Res]]></source>
<year>2018</year>
<volume>11</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>154-6</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez López]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz-Canel Fernández]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz Torres]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Píloro doble]]></article-title>
<source><![CDATA[Rev Cubana Med Militar]]></source>
<year>2005</year>
<volume>34</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>22-6</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[González Caballero]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Reyte Solás]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Trujillo Arias]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[¿Píloro Doble o fístula antral?]]></article-title>
<source><![CDATA[MEDISAN]]></source>
<year>2009</year>
<volume>13</volume>
<numero>4</numero>
<issue>4</issue>
</nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kane]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Stanich]]></surname>
<given-names><![CDATA[PP]]></given-names>
</name>
<name>
<surname><![CDATA[Oza]]></surname>
<given-names><![CDATA[VM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Double pylorus sign]]></article-title>
<source><![CDATA[Indian J Gastroenterol]]></source>
<year>2015</year>
<volume>34</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>92</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[TH]]></given-names>
</name>
<name>
<surname><![CDATA[Tsai]]></surname>
<given-names><![CDATA[TL]]></given-names>
</name>
<name>
<surname><![CDATA[Hsu]]></surname>
<given-names><![CDATA[CC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical characteristics of double pylorus]]></article-title>
<source><![CDATA[Gastrointest Endosc]]></source>
<year>2001</year>
<volume>54</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>464-70</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Dias]]></surname>
<given-names><![CDATA[VC]]></given-names>
</name>
<name>
<surname><![CDATA[Peixoto]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Machado]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Double pylorus]]></article-title>
<source><![CDATA[Rev Esp Enferm Dig]]></source>
<year>2015</year>
<volume>107</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>377</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Souza]]></surname>
<given-names><![CDATA[TF]]></given-names>
</name>
<name>
<surname><![CDATA[Artifon]]></surname>
<given-names><![CDATA[EL]]></given-names>
</name>
<name>
<surname><![CDATA[Mestieri]]></surname>
<given-names><![CDATA[LH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Systematic review and meta-analysis of endoscopic ablative treatment of Barrett's esophagus]]></article-title>
<source><![CDATA[Rev Gastroenterol Peru]]></source>
<year>2014</year>
<volume>34</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>217-24</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Double pylorus...? To be or not to be. Case report and review of the literature]]></article-title>
<source><![CDATA[Acta Gastroenterol Latinoam]]></source>
<year>2000</year>
<volume>30</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>191-4</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[VM]]></given-names>
</name>
<name>
<surname><![CDATA[Tuttle]]></surname>
<given-names><![CDATA[KW]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gastroduodenal (pyloric) band. Endoscopic findings and first reported case]]></article-title>
<source><![CDATA[Gastroenterology]]></source>
<year>1969</year>
<volume>56</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>331-6</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Naidoo]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Congenital double pylorus]]></article-title>
<source><![CDATA[Case Rep Gastrointest Med]]></source>
<year>2012</year>
</nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López-Casillas]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[López-Gaxiola]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Píloro doble: de lo cotidiano a lo extraordinario; reporte de caso y revisión de la literatura]]></article-title>
<source><![CDATA[Rev Chil Cir]]></source>
<year>2017</year>
<volume>69</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>341-4</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez-Wulff]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Vargas]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Doble píloro adquirido: una complicación poco usual de enfermedad úlceropeptica]]></article-title>
<source><![CDATA[Gen]]></source>
<year>2015</year>
<volume>69</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>13-6</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[St John]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Re: Double pylorus from a chronic gastric ulcer: an interesting and rare case]]></article-title>
<source><![CDATA[ANZ J Surg]]></source>
<year>2016</year>
<volume>86</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>422</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ivekovi&#263;]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Priji&#263;]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Radulovi&#263;]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical characteristics of patients with a double pylori]]></article-title>
<source><![CDATA[Lijec Vjesn]]></source>
<year>2015</year>
<volume>137</volume>
<numero>1-2</numero>
<issue>1-2</issue>
<page-range>30-3</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hatemi]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Hatemi]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Erzin]]></surname>
<given-names><![CDATA[YZ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Double pylorus in a patient with Behçet's syndrome]]></article-title>
<source><![CDATA[Clin Exp Rheumatol]]></source>
<year>2015</year>
<volume>33</volume>
<numero>^s94</numero>
<issue>^s94</issue>
<supplement>94</supplement>
<page-range>S138-40</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Akbulut]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Erten]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ozaslan]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Double pylorus]]></article-title>
<source><![CDATA[Balkan Med J]]></source>
<year>2014</year>
<volume>31</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>187-8</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Durgakeri]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Sarkar]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Double pylorus from a chronic gastric ulcer: an interesting and rare case]]></article-title>
<source><![CDATA[ANZ J Surg]]></source>
<year>2015</year>
<volume>85</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>884-6</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kostalas]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Jackson]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Karanjia]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Brunner's gland hamartoma: a cause of the double-duct sign]]></article-title>
<source><![CDATA[Ann R Coll Surg Engl]]></source>
<year>2016</year>
<volume>98</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>e92-3</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
