<?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>2007-4085</journal-id>
<journal-title><![CDATA[Revista mexicana de urología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. urol.]]></abbrev-journal-title>
<issn>2007-4085</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Urología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-40852017000400272</article-id>
<article-id pub-id-type="doi">10.24245/revmexurol.v77i4.1102</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Complicaciones de la nefrolitotomía percutánea según la clasificación de Clavien-Dindo modificada. Experiencia institucional]]></article-title>
<article-title xml:lang="en"><![CDATA[Percutaneous nephrolithotomy complications according to the modified Clavien-Dindo classification: An institutional experience]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Maguey]]></surname>
<given-names><![CDATA[RP.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Sánchez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Arroyo]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrara-Muñoz]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Aquino]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General Dr. Manuel Gea González División de Urología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<volume>77</volume>
<numero>4</numero>
<fpage>272</fpage>
<lpage>278</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852017000400272&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852017000400272&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852017000400272&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  ANTECEDENTES:  la incidencia y prevalencia de la litiasis urinaria se han incrementado a nivel mundial. Algunos estudios reportan una prevalencia de 13% en el área de hospitalización por enfermedad renal. La nefrolitotomía percutánea es un procedimiento de referencia para extraer cálculos renales mayores de 2 cm. La clasificación de Clavien-Dindo se ha propuesto para graduar las complicaciones provocadas por la nefrolitotomía percutánea.  OBJETIVO:  determinar la prevalencia y los factores de riesgo asociados con complicaciones de la nefrolitotomía percutánea.  MATERIALES Y MÉTODOS:  estudio retrospectivo y descriptivo efectuado mediante la revisión de los expedientes de pacientes a quienes se realizó nefrolitotomía percutánea entre los años 2013 y 2016. Variables analizadas: comorbilidades, índice de masa corporal (IMC), volumen litiásico y complicaciones perioperatorias. Para el análisis estadístico se utilizó el programa SPSS® 2.0.  RESULTADOS:  se practicaron 47 nefrolitotomías percutáneas; las comorbilidades identificadas fueron hipertensión en 12 (25%) pacientes y diabetes en 16 (34%). El IMC promedio fue de 28.7 kg/m2 y el volumen litiásico de 446 mm3. Según la clasificación de Clavien-Dindo las complicaciones más frecuentes (7 [14%]) correspondieron a grado II (71%) y grado IIIa (28%). Las comorbilidades, IMC y volumen litiásico no fueron estadísticamente significativas para sufrir complicaciones (p = 0.197, p = 0.551, p = 0.185, respectivamente).  CONCLUSIONES:  las comorbilidades, IMC y volumen litiásico no se relacionan con complicaciones posquirúrgicas de la nefrolitotomía percutánea.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  BACKGROUND:  The incidence and prevalence of urinary lithiasis has increased worldwide. Some studies report a prevalence of 13% of all hospitalizations for kidney disease. Percutaneous nephrolithotomy is a standard procedure for the extraction of kidney stones larger than 2 cm. The Clavien-Dindo classification ranks the complications arising from that procedure.  OBJECTIVE:  To determine the prevalence of and risk factors for complications in percutaneous nephrolithotomy.  MATERIALS AND METHODS: Retrospective and descriptive study carried out by the medical records of patients that underwent percutaneous nephrolithotomy within the time frame of 2013 to 2016 were reviewed. Comorbidities, body mass index, stone volume, and perioperative complications were evaluated and the SPSS® program was used for the statistical analysis.  RESULTS:  Forty-seven percutaneous nephrolithotomies were performed during the study period. The comorbidities identified were high blood pressure in 12 (25%) patients and diabetes in 16 (34%). The mean body mass index was 28.7 kg/m2 and the mean stone volume was 446 mm3. The most frequent complications (7 [14%]), according to the Clavien-Dindo classification, were grade II (71%) and grade IIIa (28%). Comorbidities, body mass index, and stone volume were not statistically significant for the development of complications (p = 0.197, p = 0.551, p = 0.185, respectively).  CONCLUSIONS:  Comorbidities, such as obesity, have been shown in the international medical literature to be risk factors for the development of major complications in percutaneous nephrolithotomy. However, in our population, comorbidities, body mass index, and stone volume were not related to the development of complications.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[nefrolitotomía percutánea]]></kwd>
<kwd lng="es"><![CDATA[clasificación de Clavien-Dindo]]></kwd>
<kwd lng="es"><![CDATA[litiasis urinaria]]></kwd>
<kwd lng="en"><![CDATA[Percutaneous nephrolithotomy]]></kwd>
<kwd lng="en"><![CDATA[Clavien-Dindo]]></kwd>
<kwd lng="en"><![CDATA[Urinary litiasis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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