<?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>S0034-74932020000100005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Escala RIPASA para el diagnóstico de apendicitis aguda en el Hospital &#8220;General Freyre de Andrade&#8221;]]></article-title>
<article-title xml:lang="en"><![CDATA[RIPASA scale for the diagnosis of acute appendicitis in the Hospital &#8220;General Freyre de Andrade&#8221;]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez Rodríguez]]></surname>
<given-names><![CDATA[José Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez Guirado]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Albertini López]]></surname>
<given-names><![CDATA[Giselle]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez Arocha]]></surname>
<given-names><![CDATA[Katy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rubio González]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Clínico Quirúrgico Docente &#8220;General Freyre de Andrade&#8221;  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Pediátrico Docente &#8220;William Soler&#8221;  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<volume>59</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-74932020000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-74932020000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-74932020000100005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La escala RIPASA fue elaborada para el diagnóstico de apendicitis aguda y ha demostrado buena sensibilidad y precisión diagnóstica, sobre todo en poblaciones asiáticas.  Objetivo:  Determinar la utilidad de la escala RIPASA para el diagnóstico de la apendicitis aguda.  Métodos:  Estudio observacional, analítico y prospectivo con 70 pacientes ingresados y operados con diagnóstico presuntivo de apendicitis aguda en el Hospital &#8220;General Freyre de Andrade&#8221; entre septiembre de 2015 y diciembre de 2017.  Resultados:  El 91,4 % de los casos presentaron apendicitis por diagnóstico histológico. El síntoma, el signo y el dato de laboratorio más frecuentes fueron el dolor en fosa ilíaca derecha (97,1 %), el rebote positivo (100 %), y la leucocitosis (87,1 %), respectivamente. Las diferencias entre los casos con y sin apendicitis para la puntuación de la escala fueron estadísticamente significativas. Predominaron los casos con puntajes altos (62,8 %). A los 7,5 puntos la sensibilidad fue de 94 %, la especificidad de 33 %, la razón de verosimilitud positiva de 1,41, la razón de verosimilitud negativa de 0,19, y la precisión diagnóstica de 88,6 %. El área bajo la curva de Características Operativas del Receptor fue de 0,81.  Conclusiones:  La escala RIPASA tuvo una buena sensibilidad y una moderada razón de verosimilitud negativa que permitirían descartar casos negativos con puntuaciones bajas. También exhibió una precisión diagnóstica y un desempeño discriminativo general aceptable. Sin embargo, la pobre especificidad y muy baja razón de verosimilitud positiva la hacen poco útil como medio diagnóstico único para la apendicitis aguda.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  The RIPASA scale was developed for the diagnosis of acute appendicitis and has shown good sensitivity and diagnostic precision, especially in Asian populations. Objective: To determine the utility of the RIPASA scale for the diagnosis of acute appendicitis.  Methods:  Observational, analytical and prospective study with 70 patients admitted and operated on with a presumptive diagnosis of acute appendicitis at the Hospital "General Freyre de Andrade" between September 2015 and December 2017.  Results:  91.4% of the cases presented appendicitis due to histological diagnosis. The most frequent symptom, sign and laboratory data were pain in the right iliac fossa (97.1%), positive rebound (100%), and leukocytosis (87.1%), respectively. The differences between the cases with and without appendicitis for the scale score were statistically significant. Cases with high scores predominated (62.8%). At 7.5 points the sensitivity was 94%, the specificity was 33%, the positive likelihood ratio was 1.41, the negative likelihood ratio was 0.19, and the diagnostic precision was 88.6%. The area under the Receiver Operating Characteristics curve was 0.81.  Conclusions:  The RIPASA scale had good sensitivity and a moderate negative likelihood ratio that would allow us to rule out negative cases with low scores. It also exhibited diagnostic accuracy and acceptable overall discriminatory performance. However, the poor specificity and very low positive likelihood ratio make it of little use as a single diagnostic means for acute appendicitis.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[apendicitis]]></kwd>
<kwd lng="es"><![CDATA[escala RIPASA]]></kwd>
<kwd lng="es"><![CDATA[normas de predicción clínicas]]></kwd>
<kwd lng="en"><![CDATA[appendicitis]]></kwd>
<kwd lng="en"><![CDATA[RIPASA scale]]></kwd>
<kwd lng="en"><![CDATA[clinical prediction standards]]></kwd>
</kwd-group>
</article-meta>
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