<?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>2444-054X</journal-id>
<journal-title><![CDATA[Cirugía y cirujanos]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. cir.]]></abbrev-journal-title>
<issn>2444-054X</issn>
<publisher>
<publisher-name><![CDATA[Academia Mexicana de Cirugía A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-054X2022000400454</article-id>
<article-id pub-id-type="doi">10.24875/ciru.20001397</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Laparoscopic nephrectomy in patients with renal exclusion secondary to urolithiasis. Which factors can predispose conversion to open surgery?]]></article-title>
<article-title xml:lang="es"><![CDATA[Nefrectomia laparoscopica en pacientes con exclusión renal secundaria a urolitiasis. ¿Que factores pueden predisponer la conversión a cirugia abierta?]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cueto-Vega]]></surname>
<given-names><![CDATA[Guillermo J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Basulto-Martinez]]></surname>
<given-names><![CDATA[Mario J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Esqueda-Mendoza]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz-Nuricumbo]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-Tapia]]></surname>
<given-names><![CDATA[Juan P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bastarrachea-Solis]]></surname>
<given-names><![CDATA[Michel A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monzon-Falconi]]></surname>
<given-names><![CDATA[Juan F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Equihua-Sánchez]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Regional de Alta Especialidad de la Península de Yucatán Urology Department ]]></institution>
<addr-line><![CDATA[Mérida Yucatán]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2022</year>
</pub-date>
<volume>90</volume>
<numero>4</numero>
<fpage>454</fpage>
<lpage>458</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2022000400454&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2022000400454&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2022000400454&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: The prevalence of urolithiasis is 7-10% and has increased over the past years. Simple nephrectomy is, therefore, indicated when renal exclusion is associated with recurrent urinary tract infections and/or chronic pain.  Objective: The aim of the study was to describe the surgical experience of laparoscopic nephrectomy (LPN) due to urolithiasis in Mexican South-east and which factors can predispose conversion to open surgery.  Methods: This was a retrospective study including patients with renal exclusion secondary to urolithiasis, who underwent laparoscopic simple nephrectomy between 2016 and 2019.  Results: Forty simple LPN for renal exclusion due to urolithiasis was performed between 2016 and 2019. Mean age was 47 ± 10.8 and 82.5% were female. The mean BMI was 30.2 ± 5 kg/m2, mean operative time was 165.2 ± 64. Conversion rate was 12.5% (n = 5). Conversion was significantly associated with abnormal hilum vascular anatomy (p = 0.001), hilum adherences (p = 0.001), and hydronephrosis (p = 0.001).  Conclusion: LPN is a safe surgical technique for renal exclusion due to urolithiasis. Hydronephrosis, abnormal vascular anatomy, and the adherences that involved de hilum are the factors that could predictive conversion to open surgery.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La prevalencia the urolitiasis es del 7-10% sin embargo a presentado un incremento del numero de casos en los ultimos años. La nefrectomia simple laparoscopica esta indicada en pacientes con exclusión renal asociado a cuadros repetitivos de infecciones en el tracto urinario y o dolor cronico a nivel fosa renal.  Objetivo: Describir la experiencia de nefrectomia simple laparoscopica en pacientes con exclusion renal secundario litiasis en un hospital del sur de México, y que factores pueden predisponer la conversión a cirugia abierta.  Materials y metodos: Estudio restrospectivo que incluyo pacientes con exclusion renal secundario a urolitiasis durante el periodo comprendido entre 2016 y 2019.  Resultados: Se realizaron 40 nefrectomias simples laparoscopica durante el periodo comprendido 2016 y 2019 en paciente con exclusion renal asociada a litiasis. La media edad 47 ± 10.8 años, el 82.5% de los pacientes fueron del sexo femenino. La media de Indice de masa corporal fue de 30.2 ± 5 kg/m2, La tasa de conversion fue del 12.5% (n = 5), los factores que se asociaron a conversion a cirugia abierta fueron anormalidades dependientes del hilio vascular renal (p = 0.001)., adherencias dependientes del hilio renal (p = 0.001). e hidronefrosis (p = 0.001).  Conclusión: La nefrectomia simple laparocopica es un procedimiento seguro en pacienres con exclusion renal secundaria a urolitiasis. Hidronefrosis, anormalidades dependientes del hilio vascular renal y adherencias que involucren el hilio renal son factores que pueden predisponer conversion a cirugia abierta.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Urolithiasis]]></kwd>
<kwd lng="en"><![CDATA[Nephrectomy]]></kwd>
<kwd lng="en"><![CDATA[Laparoscopic nephrectomy]]></kwd>
<kwd lng="es"><![CDATA[Urolitiasis]]></kwd>
<kwd lng="es"><![CDATA[Nefrectomía]]></kwd>
<kwd lng="es"><![CDATA[Nefrectomía laparoscópica]]></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[Abufaraj]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Cao]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Waldhoer]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Seitz]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[D'andrea]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence and trends in kidney stone among adults in the USA:analyses of national health and nutrition examination survey 2007-2018 data]]></article-title>
<source><![CDATA[Eur Urol Focus]]></source>
<year>2021</year>
<volume>7</volume>
<page-range>1468-75</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[Medina-Escobedo]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Zaidi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Real-de Leo]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Orozco-Rivadeneyra]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalencia y factores de riesgo en Yucatan, Mexico, para litiasis urinaria]]></article-title>
<source><![CDATA[Salud Publica Mex]]></source>
<year>2002</year>
<volume>44</volume>
<page-range>541-5</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[Keddis]]></surname>
<given-names><![CDATA[MT]]></given-names>
</name>
<name>
<surname><![CDATA[Rule]]></surname>
<given-names><![CDATA[AD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nephrolithiasis and loss of kidney function]]></article-title>
<source><![CDATA[Curr Opin Nephrol Hypertens]]></source>
<year>2013</year>
<volume>22</volume>
<page-range>390-6</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[Kurt]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Buldu]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Turan]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Yazici]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Does laparoscopic transperitoneal simple nephrectomy for inflammatory and non-inflammatory kidneys differ?]]></article-title>
<source><![CDATA[Springerplus]]></source>
<year>2016</year>
<volume>5</volume>
<page-range>1358</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[Kercher]]></surname>
<given-names><![CDATA[KW]]></given-names>
</name>
<name>
<surname><![CDATA[Heniford]]></surname>
<given-names><![CDATA[BT]]></given-names>
</name>
<name>
<surname><![CDATA[Matthews]]></surname>
<given-names><![CDATA[BD]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[TI]]></given-names>
</name>
<name>
<surname><![CDATA[Lincourt]]></surname>
<given-names><![CDATA[AE]]></given-names>
</name>
<name>
<surname><![CDATA[Hayes]]></surname>
<given-names><![CDATA[DH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Laparoscopic versus open nephrectomy in 210 consecutive patients:outcomes, cost, and changes in practice patterns]]></article-title>
<source><![CDATA[Surg Endosc]]></source>
<year>2003</year>
<volume>17</volume>
<page-range>1889-95</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[Gülp&#305;nar]]></surname>
<given-names><![CDATA[MT]]></given-names>
</name>
<name>
<surname><![CDATA[Akçay]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Sancak]]></surname>
<given-names><![CDATA[EB]]></given-names>
</name>
<name>
<surname><![CDATA[Akba&#351;]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Tepeler]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Re&#351;orlu]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of transperitoneal laparoscopic nephrectomy outcomes in atrophic and hydronephrotic kidneys]]></article-title>
<source><![CDATA[Turk J Urol]]></source>
<year>2015</year>
<volume>41</volume>
<page-range>181-4</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[Alelign]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Petros]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Kidney stone disease:an update on current concepts]]></article-title>
<source><![CDATA[Adv Urol]]></source>
<year>2018</year>
<volume>2018</volume>
<page-range>3068365</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[Medina-Escobedo]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Martín-Soberanis]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nefrolitiasis como indicación de nefrectomía Estudio multicéntrico Nephrolithiasis as a nephrectomy surgical indication. A multicentric study]]></article-title>
<source><![CDATA[Rev Med Inst Mex Seguro Soc]]></source>
<year>2009</year>
<volume>47</volume>
<page-range>29-32</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[Angerri]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez-Martin]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Millán-Rodriguez]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Rosales]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Villavicencio]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Simple laparoscopic nephrectomy in stone disease:not always simple]]></article-title>
<source><![CDATA[J Endourol]]></source>
<year>2016</year>
<volume>30</volume>
<page-range>1095-8</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zelhof]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[McIntyre]]></surname>
<given-names><![CDATA[IG]]></given-names>
</name>
<name>
<surname><![CDATA[Fowler]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Napier-Hemy]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<name>
<surname><![CDATA[Burke]]></surname>
<given-names><![CDATA[DM]]></given-names>
</name>
<name>
<surname><![CDATA[Grey]]></surname>
<given-names><![CDATA[BR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nephrectomy for benign disease in the UK:results from the British Association of Urological Surgeons nephrectomy database]]></article-title>
<source><![CDATA[BJU Int]]></source>
<year>2016</year>
<volume>117</volume>
<page-range>138-44</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pareek]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Hedican]]></surname>
<given-names><![CDATA[SP]]></given-names>
</name>
<name>
<surname><![CDATA[Gee]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
<name>
<surname><![CDATA[Bruskewitz]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Nakada]]></surname>
<given-names><![CDATA[SY]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Meta-analysis of the complications of laparoscopic renal surgery:comparison of procedures and techniques]]></article-title>
<source><![CDATA[J Urol]]></source>
<year>2006</year>
<volume>175</volume>
<page-range>1208-13</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Danilovic]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[TA]]></given-names>
</name>
<name>
<surname><![CDATA[Vicentini]]></surname>
<given-names><![CDATA[FC]]></given-names>
</name>
<name>
<surname><![CDATA[Torricelli]]></surname>
<given-names><![CDATA[FC]]></given-names>
</name>
<name>
<surname><![CDATA[Marchini]]></surname>
<given-names><![CDATA[GS]]></given-names>
</name>
<name>
<surname><![CDATA[Mazzucchi]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Laparoscopic nephrectomy for urolithiasis:when is better to avoid it]]></article-title>
<source><![CDATA[Rev Col Bras Cir]]></source>
<year>2019</year>
<volume>46</volume>
</nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gabr]]></surname>
<given-names><![CDATA[AH]]></given-names>
</name>
<name>
<surname><![CDATA[Elsayed]]></surname>
<given-names><![CDATA[ER]]></given-names>
</name>
<name>
<surname><![CDATA[Gdor]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Roberts]]></surname>
<given-names><![CDATA[WW]]></given-names>
</name>
<name>
<surname><![CDATA[Wolf Jr]]></surname>
<given-names><![CDATA[JS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Obesity and morbid obesity are associated with a greater conversion rate to open surgery for standard but not hand assisted laparoscopic radical nephrectomy]]></article-title>
<source><![CDATA[J Urol]]></source>
<year>2008</year>
<volume>180</volume>
<page-range>2357-62</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hsiao]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Pattaras]]></surname>
<given-names><![CDATA[JG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Not so &#8220;simple&#8221;laparoscopic nephrectomy:outcomes and complications of a 7-year experience]]></article-title>
<source><![CDATA[J Endourol]]></source>
<year>2008</year>
<volume>22</volume>
<page-range>2285-90</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peña]]></surname>
<given-names><![CDATA[PA]]></given-names>
</name>
<name>
<surname><![CDATA[Torres-Castellanos]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Patiño]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Prada]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Villarraga]]></surname>
<given-names><![CDATA[LG]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Minimally invasive nephrectomy for inflammatory renal disease]]></article-title>
<source><![CDATA[Asian J Urol]]></source>
<year>2020</year>
<volume>7</volume>
<page-range>345-50</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liao]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Breda]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Schulam]]></surname>
<given-names><![CDATA[PG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Laparoscopic renal surgery for benign disease]]></article-title>
<source><![CDATA[Curr Urol Rep]]></source>
<year>2007</year>
<volume>8</volume>
<page-range>12-8</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yucel]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Ulker]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Kisa]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Koc]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Ilbey]]></surname>
<given-names><![CDATA[YO]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Laparoscopic transperitoneal nephrectomy in non-functioning severe hydronephrotic kidneys with or without renal stone]]></article-title>
<source><![CDATA[Cureus]]></source>
<year>2018</year>
<volume>10</volume>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
