<?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>S2007-40852021000200004</article-id>
<article-id pub-id-type="doi">10.48193/revistamexicanadeurologa.v81i2.695</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diferencias en las complicaciones según la vía de abordaje y el tipo de nefrectomía en cáncer renal estadio CT1 tratado con cirugía]]></article-title>
<article-title xml:lang="en"><![CDATA[Differences in the complications according to the approach and type of nephrectomy in renal cancer ct1 treated with surgery]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Polanco-Pujol]]></surname>
<given-names><![CDATA[Lucia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Gregorio Marañón  ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<volume>81</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852021000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852021000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852021000200004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Realizar un análisis comparativo de complicaciones postquirúrgicas según la vía de abordaje (nefrectomía abierta y laparoscópica) y técnica (radical y parcial) en pacientes con cáncer renal estadio cT1.  Material y Método: Estudio retrospectivo de 480 pacientes con tumor renal estadio cT1 intervenidos entre 1990-2010. Se recogieron las complicaciones postquirúrgicas acaecidas en los 60 días posteriores a la cirugía. Se agruparon según la clasificación de Clavien-Dindo, considerándose graves las complicaciones Clavien &#8805;III. Los pacientes se dividieron en 4 cohortes:1) Nefrectomía radical abierta (NRA); 2) Nefrectomía radical laparoscópica (NRL); 3) Nefrectomía parcial abierta (NPA); 4) Nefrectomía parcial laparoscópica (NPL). Se realizó un análisis univariante y multivariante mediante regresión logística para identificar las variables relacionadas con las complicaciones y posteriormente las variables predictoras independientes.  Resultados: En 198 (41.3%) pacientes se realizó NRA y en 155 (32.3%) NRL. En cuanto a las nefrectomías parciales 51 (10.6%) casos fueron abiertas y 76 (15.8%) laparoscópicas. Presentaron complicaciones el 20.2% de los pacientes, las más frecuentes Clavien II (13%). El 25.8% de las NRA presentaron complicaciones frente al 16.8% de las NRL (p=0.09). Las complicaciones en las NP fueron similares en cuanto a porcentaje (NPA-15.7%, NPL-15.8%). A pesar de que la NRA presentó más complicaciones (a expensas de Clavien-II) que los otros 3 grupos, no se observaron diferencias entre las complicaciones graves. En el análisis multivariable la NRL se comportó como factor independiente de complicaciones (OR=0.41, p=0.007). En el multivariable Clavien&#8805;III, no se identificó ningún factor predictor ni protector.  Conclusiones: La NRL con respecto a las otras tres técnicas disminuyó las complicaciones totales postoperatorias a más de la mitad. En las complicaciones graves (Clavien &#8805;III) no se identificaron factores predictores de complicaciones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: Comparative analysis of postoperative complications according to approach (open and laparoscopic) and surgical technique (radical and partial nephrectomy) in patients with renal cancer c T1.  Material and methods: A retrospective analysis of 480 patients with renal cancer c T1 treated by surgery between 1990-2010. Complications in the first 60 days after surgery were evaluated (Clavien-Dindo classification). Complications Clavien &#8805;III were severe. Patients was clasificated in four cohort: 1) Open radical nephrectomy (ORN);2) laparoscopic radical nephrectomy (LRN) ;3) open partial nephrectomy (OPN); 4) laparoscopic partial nephrectomy (LPN). Univariate and multivariate analysis have been performed using Cox regression to determine variables with relate to the complications.  Results: In 198(41,3%) patients was performed ORN and in 155(32,3%) LRN. In the group of partial nephrectomies, 51 cases (10.6%) were open and 76 (15.8%) laparoscopic. Complications occurred in 20.2% of patients. The most frequent was Clavien II (13%). 25.8% undergoing ORN developed complications, in the LRN group 16,8% experienced complications (p=0.09). No significant difference in distribution of complications between laparoscopic and open approach in partial nephrectomy (OPN-15.7%, LPN-15.8%). The group of ORN had more complications than the other groups (of type Clavien-II), but there were not differences between severe complications. In the multivariable analysis laparoscopic radical nephrectomy behaved as independent predictive variable of complications (OR=0.41, p=0.007). In the multivariable analysis of Clavien&#8805;III complication, no predictor or protective factor was identified.  Conclusion: Laparoscopic radical nephrectomy decreased the total postoperative complications to more than half. In severe complications (Clavien &#8805;III) no predictors of complications were identified.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Nephrectomy]]></kwd>
<kwd lng="en"><![CDATA[Laparoscopic]]></kwd>
<kwd lng="en"><![CDATA[Renal cancer]]></kwd>
<kwd lng="en"><![CDATA[Complications]]></kwd>
<kwd lng="es"><![CDATA[Nefrectomía]]></kwd>
<kwd lng="es"><![CDATA[Laparoscopia]]></kwd>
<kwd lng="es"><![CDATA[Cáncer renal]]></kwd>
<kwd lng="es"><![CDATA[Complicaciones]]></kwd>
</kwd-group>
</article-meta>
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