<?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>1405-0099</journal-id>
<journal-title><![CDATA[Cirujano general]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. gen]]></abbrev-journal-title>
<issn>1405-0099</issn>
<publisher>
<publisher-name><![CDATA[Asociación Mexicana de Cirugía General A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-00992014000100015</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[El tipo de absceso anal afecta a la complejidad de la fístula anal]]></article-title>
<article-title xml:lang="en"><![CDATA[The type of anal abscess acts on the complexity of anal fistula]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villanueva Herrero]]></surname>
<given-names><![CDATA[Juan Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivas Cajina]]></surname>
<given-names><![CDATA[Adolfo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-Bobadilla]]></surname>
<given-names><![CDATA[Billy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General de México Dr. Eduardo Liceaga  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2014</year>
</pub-date>
<volume>36</volume>
<numero>1</numero>
<fpage>15</fpage>
<lpage>19</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-00992014000100015&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-00992014000100015&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-00992014000100015&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  Los pacientes con absceso anal, interesfintérico, perianal e isquiorrectal desarrollan fístulas con diferente frecuencia y diferente complejidad. En este estudio analizamos y evaluamos el efecto del tipo de absceso sobre el desarrollo de la complejidad de una fístula anal.  Material y métodos:  Se realizó un estudio de cohorte prospectiva de una muestra de pacientes con absceso anal a los que se realizó drenaje y seguimiento no menor a 2 meses. Se registraron el tipo de absceso durante el procedimiento quirúrgico, el tiempo de cicatrización de la herida, la recurrencia y el tipo de fístula posterior al drenaje. Se obtuvieron medidas de tendencia central, frecuencias y cálculo de razón de momios (OR).  Resultados:  Se incluyó a 71 hombres y 15 mujeres; el 47,7% de los pacientes se encontraban en el rango de edad entre los 31 a 46 años. El 66,3% de los pacientes presentaron un absceso perianal y en el 24,4% fue un absceso isquiorrectal; solo el 37,2% de los pacientes desarrollaron posteriormente una fístula anal. Se encontró un riesgo (OR) para el desarrollo de una fístula transesfintérica alta posterior a drenaje de un absceso isquiorrectal de 4,3 (intervalo de confianza (IC) del 95%, 0,7-25,2) en comparación con el absceso perianal, que fue de 0,15 (IC del 95%, 0,02-0,81).  Conclusión:  Los sujetos con un absceso isquiorrectal tienen mayor riesgo de desarrollar una fístula compleja. La fistulotomía primaria no está justificada por el bajo riesgo de desarrollar una fístula posterior al drenaje de un absceso.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Patients with anal intersphincteric, perianal or ischiorectal abscess develop fistulae showing different occurrence rates and complexity. The relation between anal abscess type and the complexity of the secondary fistula has been analyzed and evaluated.  Material and methods:  This is a prospective cohort study of patients with anal abscess and a 2-month or longer follow-up after abscess drainage performed at the Service of Coloproctology, Hospital General de México &#8220;Dr. Eduardo Liceaga&#8221;. Abscess type was classified during the surgical procedure, and wound healing time, recurrence and type of fistula after drainage were evaluated. Central trend measures, frequencies and odds ratio (OR) analyses were performed.  Results:  Seventy one men and 15 women were included; 47.7% of patients were in the 31-to-46-year range. A perianal abscess was diagnosed in 66.3% of patients and an ischiorectal abscess was found in 24.4%; 37.2% of patients developed an anal fistula. OR for high transsphincteric fistula after an ischiorectal abscess was 4.3 (95% IC 0.7-25.2) and after a perianal abscess was 0.15 (95% IC 0.2-0-081).  Conclusion:  Ischiorectal abscess patients appear to be at a greater risk for developing a complex fistula; however the low risk for a secondary fistula does not justify a primary fistulotomy during abscess drainage.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Absceso anal]]></kwd>
<kwd lng="es"><![CDATA[Fístula anal]]></kwd>
<kwd lng="es"><![CDATA[Cirugía anal]]></kwd>
<kwd lng="es"><![CDATA[Seton]]></kwd>
<kwd lng="en"><![CDATA[Anal abscess]]></kwd>
<kwd lng="en"><![CDATA[Anal fistula]]></kwd>
<kwd lng="en"><![CDATA[Anal Surgery]]></kwd>
<kwd lng="en"><![CDATA[Seton]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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