<?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>0034-7493</journal-id>
<journal-title><![CDATA[Revista Cubana de Cirugía]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Cir]]></abbrev-journal-title>
<issn>0034-7493</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-74932020000300007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Ultrasonografía eficaz, seguimiento del paciente con dolor abdominal agudo y diagnóstico presuntivo de apendicitis]]></article-title>
<article-title xml:lang="en"><![CDATA[Effective ultrasonography, monitoring the patient with acute abdominal pain and appendicitis presumptive diagnosis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ricaurte Guerrero]]></surname>
<given-names><![CDATA[Carlos Adeodato]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suárez Lima]]></surname>
<given-names><![CDATA[Gabriel José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bustamante Valencia]]></surname>
<given-names><![CDATA[Celia Brunilda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez Moran]]></surname>
<given-names><![CDATA[Lorena Paol]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bermúdez Bermúdez]]></surname>
<given-names><![CDATA[Julio Cesar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suárez Camacho]]></surname>
<given-names><![CDATA[Fanny Concepción]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Estatal de Milagro  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Estatal de Guayaquil  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Técnica de Babahoyo  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2020</year>
</pub-date>
<volume>59</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-74932020000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-74932020000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-74932020000300007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La ultrasonografía es un procedimiento que utiliza ondas de sonido de alta energía para estudiar tejidos y órganos, formándose imágenes que permiten diagnosticar enfermedades. La eficacia en su implementación es útil para determinar acciones de intervención en procesos de salud.  Objetivo:  Determinar la eficacia del uso de la ultrasonografía asociada a características clínicas y epidemiológicas en pacientes con dolor abdominal agudo por apendicitis en el Centro Médico &#8220;Popular&#8221; Vinces.  Métodos: Se realizó un estudio correlacional, descriptivo, de cohorte retrospectivo realizado durante 7 meses (enero a julio del 2019). La población estuvo constituida por 162 pacientes, se incluyó, además, a derivados con dolor abdominal agudo diagnosticados con apendicitis a través de la clínica y/o ultrasonografía del Centro Médico &#8220;Popular&#8221; Vinces.  Resultados:  De los 162 pacientes observados se intervinieron 157, diagnóstico anatomopatológico de apendicitis en 130. La sensibilidad de la ecografía con criterio de certeza y sospecha fue 96,7 %. La muestra aleatoria piloto contenía 162 participantes de un total de 180 pacientes, mujeres (16,67 %) y hombres (83,33 %).  Conclusiones:  Se demostró que la ecografía abdominal es el método diagnóstico eficaz, de elección para este estudio por su sensibilidad y criterio de certeza, fácil acceso y costo mínimo, permitiéndose un control adecuado y seguimiento preventivo de las complicaciones, más aún en los casos, con cuadro clínico y laboratorio dudoso, con el fin de evitar posibles complicaciones y reducir los costos económicos durante su diagnóstico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  This article is an extensive review of the different aspects of this pathology, acute appendicitis despite being the first cause of emergency abdominal surgery, the delay in diagnosis implies an increase in surgical interventions with perforated appendices and, therefore, an increase in morbidity and mortality.  Objective:  To present the results of the efficacy of the use of ultrasonography associated with clinical and epidemiological characteristics in patients with acute abdominal pain due to appendicitis at the "popular" Medical Center Vinces-Ecuador.  Methods:  A correlational, descriptive, Retrospective cohort study conducted for 7 months (January to July 2019), in which the study population included patients referred with acute abdominal pain diagnosed with appendicitis through the clinic and / or ultrasonography of the "popular" Vinces Medical Center, Ecuador. This population is constituted by 162 patients.  Results:  Of the 162 patients observed, 157 underwent surgery, an anatomopathological diagnosis of appendicitis in 130. The sensitivity of the ultrasound with criteria of certainty and suspicion was 96.7 %. The pilot random sample contained 162 participants out of a total of 180 patients, women (16.67 %) and men (83, 33 %).  Conclusion:  it was shown that abdominal ultrasound is the effective diagnostic method of choice for this study because of its sensitivity and certainty, easy access and minimal cost, allowing adequate control and preventive monitoring of complications, even more so in cases, with symptoms. clinical and laboratory doubtful, in order to avoid possible complications and reduce economic costs during diagnosis.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[ultrasonografía]]></kwd>
<kwd lng="es"><![CDATA[eficacia]]></kwd>
<kwd lng="es"><![CDATA[apendicitis agudas]]></kwd>
<kwd lng="en"><![CDATA[ultrasonography]]></kwd>
<kwd lng="en"><![CDATA[effectiveness]]></kwd>
<kwd lng="en"><![CDATA[acute appendicitis]]></kwd>
</kwd-group>
</article-meta>
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<given-names><![CDATA[A]]></given-names>
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<article-title xml:lang=""><![CDATA[Endoscopic ultrasound-guided choledochoduodenostomy after a failed or impossible ERCP]]></article-title>
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