<?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>S1870-72032019000300207</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Aplicación de criterios preoperatorios de apendicitis como predictores de complicaciones transoperatorias y postoperatorias]]></article-title>
<article-title xml:lang="en"><![CDATA[Application of preoperative appendicitis criteria as predictors of trans and postoperative complications]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Saucedo Moreno]]></surname>
<given-names><![CDATA[Eric Misael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alabarda Pérez]]></surname>
<given-names><![CDATA[Alejandra M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Reséndiz]]></surname>
<given-names><![CDATA[María Pilar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Pérez]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bermúdez Cobos]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad La Salle Hospital Ángeles Mocel Facultad Mexicana de Medicina]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Ángeles Mocel Servicio de Cirugía General ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</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>17</volume>
<numero>3</numero>
<fpage>207</fpage>
<lpage>210</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032019000300207&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032019000300207&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032019000300207&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La apendicitis aguda es una de las patologías más comunes que necesitan manejo quirúrgico, y una de sus complicaciones más frecuentes es el desarrollo de masa apendicular (10%), que resulta de la perforación apendicular causando fiebre, leucocitosis y sintomatología sistémica.  Material y métodos:  Estudio retrospectivo, transversal, descriptivo en el que se incluyeron pacientes que fueron operados de apendicectomía. A todos se les aplicaron los criterios previo a evento quirúrgico: 1) masa apendicular, 2) no visualización de apéndice, 3) retraso de admisión &gt; tres días y 4) proteína C reactiva &gt; 10 mg/dL.  Resultados:  Una muestra total de 57 pacientes se dividió en dos grupos: Grupo 1 (n = 14) pacientes con al menos un criterio predictivo positivo y grupo 2 (n = 43) sin ningún criterio positivo; mostraron diferencia significativa en presencia de complicaciones, días de estancia intrahospitalaria y conversión quirúrgica. Curvas ROC para demostrar la habilidad discriminativa de los criterios predictivos resultaron razonables (AUC = 0.732, IC95% = 0.57-0.84) para días de estancia intrahospitalaria, con una sensibilidad y especificidad de 46.7 y 83.3%.  Conclusiones:  Encontrar criterios negativos puede ser una herramienta útil en la toma de decisiones entre utilizar cirugía laparoscópica o abierta de primera instancia, ya que esto determinará de manera secundaria la dificultad transoperatoria, así como la evolución postquirúrgica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Acute appendicitis is one of the most common pathologies that need surgical management, and one of its most frequent complications is the development of appendiceal mass (10%), which results from appendiceal perforation, causing fever, leukocytosis and systemic symptoms.  Material and methods:  Retrospective, cross-sectional, descriptive study in which patients who underwent an appendectomy were included. All criteria were applied prior to a surgical event: 1) appendicular mass, 2) non-visualization of appendix, 3) delay of admission &gt; 3 days and 4) CRP &gt; 10 mg/dL.  Results:  A total sample of 57 patients. It was divided into two groups. Group 1 (n = 14) patients with at least one positive predictive criterion and group 2 (n = 43) without any positive criteria, showed significant difference in the presence of complications, days of in-hospital stay and surgical conversion. COR curves to demonstrate the discriminative ability of the predictive criteria, were reasonable (AUC = 0.732, CI95% = 0.57-0.84) for days of in-hospital stay, with a sensitivity and specificity of 46.7 and 83.3%.  Conclusions:  Finding negative criteria can be a useful tool in making decisions between using laparoscopy or open surgery, as this will determine, secondarily, the intraoperative difficulty, as well as postoperative evolution.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Apendicetomía laparoscópica]]></kwd>
<kwd lng="es"><![CDATA[apendicetomía abierta]]></kwd>
<kwd lng="es"><![CDATA[apendicitis complicada]]></kwd>
<kwd lng="en"><![CDATA[Laparoscopic appendectomy]]></kwd>
<kwd lng="en"><![CDATA[open appendectomy]]></kwd>
<kwd lng="en"><![CDATA[complicated appendicitis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Meshikhes]]></surname>
<given-names><![CDATA[AW]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Management of appendiceal mass: controversial issues revisited]]></article-title>
<source><![CDATA[J Gastrointest Surg]]></source>
<year>2008</year>
<volume>12</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>767-75</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yau]]></surname>
<given-names><![CDATA[KK]]></given-names>
</name>
<name>
<surname><![CDATA[Siu]]></surname>
<given-names><![CDATA[WT]]></given-names>
</name>
<name>
<surname><![CDATA[Tang]]></surname>
<given-names><![CDATA[CN]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[GP]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[MK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Laparoscopic versus open appendectomy for complicated appendicitis]]></article-title>
<source><![CDATA[J Am Coll Surg]]></source>
<year>2007</year>
<volume>205</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>60-5</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[Garg]]></surname>
<given-names><![CDATA[CP]]></given-names>
</name>
<name>
<surname><![CDATA[Vaidya]]></surname>
<given-names><![CDATA[BB]]></given-names>
</name>
<name>
<surname><![CDATA[Chengalath]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efficacy of laparoscopy in complicated appendicitis]]></article-title>
<source><![CDATA[Int J Surg]]></source>
<year>2009</year>
<volume>7</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>250-2</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[Deelder]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
<name>
<surname><![CDATA[Richir]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
<name>
<surname><![CDATA[Schoorl]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Schreurs]]></surname>
<given-names><![CDATA[WH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[How to treat an appendiceal inflammatory mass: operatively or nonoperatively?]]></article-title>
<source><![CDATA[J Gastrointest Surg]]></source>
<year>2014</year>
<volume>18</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>641-5</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[Atema]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[van Rossem]]></surname>
<given-names><![CDATA[CC]]></given-names>
</name>
<name>
<surname><![CDATA[Leeuwenburgh]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Stoker]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Boermeester]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Scoring system to distinguish uncomplicated from complicated acute appendicitis]]></article-title>
<source><![CDATA[Br J Surg]]></source>
<year>2015</year>
<volume>102</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>979-90</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[Saida]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Matsumoto]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Kitano]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Preoperative predictor of extensive resection for acute appendicitis]]></article-title>
<source><![CDATA[Am J Surg]]></source>
<year>2018</year>
<volume>215</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>599-602</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Shao]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Yuan]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Complicated appendicitis in children: is laparoscopic appendectomy appropriate? A comparative study with the open appendectomy--our experience]]></article-title>
<source><![CDATA[J Pediatr Surg]]></source>
<year>2009</year>
<volume>44</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1924-7</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[Quezada]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Quezada]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Mejia]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Brañes]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Padilla]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Jarufe]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Laparoscopic versus open approach in the management of appendicitis complicated exclusively with peritonitis: a single center experience]]></article-title>
<source><![CDATA[Int J Surg]]></source>
<year>2015</year>
<volume>13</volume>
<page-range>80-3</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[Antonacci]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Ricci]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Taffurelli]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Monari]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Del Governatore]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Caira]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Laparoscopic appendectomy: Which factors are predictors of conversion? A high-volume prospective cohort study]]></article-title>
<source><![CDATA[Int J Surg]]></source>
<year>2015</year>
<volume>21</volume>
<page-range>103-7</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
