<?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>2027-0119</journal-id>
<journal-title><![CDATA[Urología Colombiana]]></journal-title>
<abbrev-journal-title><![CDATA[Urol. Colomb.]]></abbrev-journal-title>
<issn>2027-0119</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Colombiana de Urología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2027-01192024000400189</article-id>
<article-id pub-id-type="doi">10.24875/ruc.23000126</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Nefrolitotomía percutánea en prono y supino, ¿cuál técnica es mejor?: estudio comparativo]]></article-title>
<article-title xml:lang="en"><![CDATA[Percutaneous nephrolithotomy in prone and supine, which technique is better?: comparative study]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras-García]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Villarraga]]></surname>
<given-names><![CDATA[Jeffer D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Saavedra-Castrillón]]></surname>
<given-names><![CDATA[Mariana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacios-Riascos]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Cardona]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Vásquez]]></surname>
<given-names><![CDATA[Héctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Libre Seccional Cali Clínica Nueva Rafael Uribe Departamento de Urología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Santiago de Cali Clínica DESA Departamento de Urología]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>33</volume>
<numero>4</numero>
<fpage>189</fpage>
<lpage>194</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2027-01192024000400189&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2027-01192024000400189&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2027-01192024000400189&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Comparar el desempeño de la nefrolitotomía percutánea (NLP) en dos posiciones (prono y supino) en un centro de referencia.  Método: Es un estudio de corte transversal, analítico, de pacientes sometidos a NLP entre enero de 2017 a octubre de 2021, en Cali (Colombia). Variables analizadas: tamaño del cálculo, edad, clasificación de LA American Society of Anesthesiologists (ASA score), tasa libre de cálculos, estancia hospitalaria medido en días, necesidad de transfusión, posición de intervención, tiempo operatorio y complicaciones posquirúrgicas Clavien-Dindo. El desenlace primario fue la tasa libre cálculos. Desenlaces secundarios: tiempo de estancia hospitalaria, complicaciones Clavien-Dindo y tiempo operatorio.  Resultados: Ciento cincuenta fueron intervenidos en prono y 55 en supino. En posición prono, tamaño promedio del cálculo 28,1 ± 10,1 mm y en supino 32,4 ± 12,5 mm. Tuvimos tasa libre de cálculos para prono de 63,3% y supino 70,9% (p = 0,31). En desenlaces secundarios, tiempo de estancia hospitalaria en prono de 3,4 ± 2,7 días y en supino 5,01 ± 5,6 días (p = 0,046). Complicaciones Clavien-Dindo &#8805; 3 en prono 2,67% vs. 0% en supino (p = 0,0063). El tiempo quirúrgico aumentó la estancia hospitalaria (odds ratio [OR]: 1,48; IC95%: 1,07-2,06). Los principales predictores de mayor tiempo quirúrgico fueron la posición de abordaje (OR: 4,55; IC95%: 1,75-11,7) y el tamaño del cálculo (OR: 1,49; IC95%: 1,09-2,05).  Conclusión: La posición de realización de NLP no modifica la tasa libre de cálculos. Hubo mayor estancia hospitalaria en posición supino y un mayor tiempo operatorio sin aumento de complicaciones Clavien-Dindo. El tiempo quirúrgico se asoció con mayor estancia hospitalaria y la posición de abordaje y el tamaño del cálculo con un mayor tiempo quirúrgico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: To evaluate the results of percutaneous nephrolithotomy (PNL) in two positions (prone and supine) in a tertiary reference center.  Method: Cross-sectional, analytical study of patients undergoing percutaneous nephrolithotomy between January 2017 and October 2021, in Cali, Colombia. Variables analyzed: stone size (measured in millimeters), age, American Society of Anesthesiologists (ASA score) classification, stone-free rate, hospital stay, need for transfusion, intervention position, operative time and Clavien-Dindo system postoperative complications. The primary outcome was stone-free rate and the secondary outcomes were length of hospital stay, Clavien-Dindo complications, and operative time.  Results: One hundred-fifty were operated on prone and 55 supine. For prone position stone size had an average of 28.1 ± 10.1 mm, by supine position 32.4 ± 12.5 mm. Stone-free rate for prone 63.3% and supine 70.9% (p = 0.31). A length of hospital stay in prone position was 3.4 ± 2.7 days and in the supine position 5.01 ± 5.6 days (p = 0.046). Clavien-Dindo complications &#8805; 3 in prone of 2.67% vs. 0% in supine (p = 0.0063). Surgical time increased hospital stay (odds ratio [OR]: 1.48; 95% CI: 1.07-2.06). The main predictors of longer surgical time were the position of the approach (OR: 4.55; 95% CI: 1.75-11.7) and the size of the stone (OR: 1.49; 95% CI: 1.09-2.05).  Conclusion: The NLP performance position does not modify the stone-free rate. There was a longer hospital stay in the supine position and a longer operative time without an increase in Clavien-Dindo complications. Surgical time was associated with longer hospital stay and approach position and stone size with longer surgical time.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Nefrolitotomía percutánea]]></kwd>
<kwd lng="es"><![CDATA[Riñón]]></kwd>
<kwd lng="es"><![CDATA[Cálculos]]></kwd>
<kwd lng="es"><![CDATA[Posición prona]]></kwd>
<kwd lng="es"><![CDATA[Posición supina]]></kwd>
<kwd lng="en"><![CDATA[Percutaneous nephrolithotomy]]></kwd>
<kwd lng="en"><![CDATA[Kidney]]></kwd>
<kwd lng="en"><![CDATA[Stone]]></kwd>
<kwd lng="en"><![CDATA[Prone position]]></kwd>
<kwd lng="en"><![CDATA[Supine position]]></kwd>
</kwd-group>
</article-meta>
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