<?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>S2007-40852017000200089</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Repercusión de la anemia preoperatoria en pacientes a quienes se realiza nefrectomía simple retroperitoneal]]></article-title>
<article-title xml:lang="en"><![CDATA[Impact of preoperative anemia on patients that underwent retroperitoneal simple nephrectomy]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrillo-Córdova]]></surname>
<given-names><![CDATA[LD.]]></given-names>
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<surname><![CDATA[Lemus-Mena]]></surname>
<given-names><![CDATA[GR.]]></given-names>
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<name>
<surname><![CDATA[Rodríguez-Robles]]></surname>
<given-names><![CDATA[J.]]></given-names>
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<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-Villavicencio]]></surname>
<given-names><![CDATA[JM.]]></given-names>
</name>
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<contrib contrib-type="author">
<name>
<surname><![CDATA[Vitar-Sandoval]]></surname>
<given-names><![CDATA[J.]]></given-names>
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<name>
<surname><![CDATA[Sarabia-Estrada]]></surname>
<given-names><![CDATA[RC.]]></given-names>
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<surname><![CDATA[Carrillo-Córdova]]></surname>
<given-names><![CDATA[JR.]]></given-names>
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<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Farías]]></surname>
<given-names><![CDATA[MA.]]></given-names>
</name>
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<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosas-Ramírez]]></surname>
<given-names><![CDATA[A.]]></given-names>
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<surname><![CDATA[Virgen-Gutiérrez]]></surname>
<given-names><![CDATA[JF.]]></given-names>
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<surname><![CDATA[Jaspersen-Gastelum]]></surname>
<given-names><![CDATA[J.]]></given-names>
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<surname><![CDATA[Garduño-Arteaga]]></surname>
<given-names><![CDATA[ML.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General de México Dr. Eduardo Liceaga Departamento de Urología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital General Dr. Manuel Gea González Departamento de Cirugía Plástica y Reconstructiva ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2017</year>
</pub-date>
<volume>77</volume>
<numero>2</numero>
<fpage>89</fpage>
<lpage>96</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852017000200089&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852017000200089&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852017000200089&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  ANTECEDENTES:  la incidencia de anemia en pacientes quirúrgicos es alta y estrechamente relacionada con la enfermedad de base (2095%). En los pacientes oncológicos puede llegar a 95% y en el absceso renal alcanza cifras de 90%, con repercusión directa en la morbilidad y mortalidad posoperatorias.  OBJETIVO: describir los resultados de las nefrectomías simples retroperitoneales abiertas, secundarias a litiasis, y comparar si los pacientes con anemia previa a la nefrectomía tienen mayor tiempo quirúrgico, sangrado transoperatorio, complicaciones, necesidad de transfusión y de ingreso a la unidad de terapia intensiva, días de estancia hospitalaria, infección de herida quirúrgica que los pacientes sin anemia.  MATERIALES Y MÉTODOS: estudio retrospectivo, descriptivo y comparativo de pacientes con anemia preoperatoria versus con cifras de hemoglobina normal. Análisis de las variables transoperatorias (tiempo quirúrgico, sangrado transoperatorio) y posquirúrgicas (necesidad de terapia intensiva y de transfusión, infección de herida quirúrgica y días de estancia hospitalaria).  RESULTADOS:  se estudiaron 58 pacientes (24 masculinos y 34 femeninos) con antecedente de nefrectomía simple abierta y media de edad de 46 años. La media de sangrado transoperatorio fue de 604.9 mL y la media de tiempo quirúrgico de 158.6 min. Hubo diferencias estadísticamente significativas para las variables de necesidad de transfusión (p=0.0016) y de cuidados en la unidad de terapia intensiva (p=0.0092), sin diferencias estadísticamente significativas para el sangrado transoperatorio, tiempo quirúrgico, días de estancia hospitalaria, lesión a algún órgano de manera transoperatoria o infección de herida quirúrgica.  CONCLUSIONES:  los pacientes con anemia preoperatoria y nefrectomía simple retroperitoneal tienen mayor necesidad de transfusión perioperatoria y atención en una unidad de cuidados intensivos que quienes tienen cifras de hemoglobina normales. En estos pacientes es indispensable el estudio de la anemia y su reversión mediante suplementos con hierro o eritropoyetina previa al procedimiento quirúrgico para mejorar su pronóstico, y así prevenir la necesidad de transfusión perioperatoria, que se asocia con mayor morbilidad y mortalidad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  BACKGROUND:  The incidence of anemia in surgical patients is high and is closely related to the underlying disease (20-95%). In oncologic patients, it can reach 95% and in renal abscess it reaches figures of 90%. It has a direct impact on postoperative morbidity and mortality.  OBJECTIVE:  To describe the results of open retroperitoneal simple nephrectomy secondary to lithiasis and to determine if patients with anemia prior to nephrectomy have longer surgery duration, greater intraoperative bleeding, more complications, a greater need for transfusion, higher admission to the intensive care unit, longer hospital stay, and increased surgical wound infection, compared with patients that do not present with anemia.  MATERIALS AND METHODS:  A retrospective, descriptive, and comparative study was conducted on patients with preoperative anemia versus those with normal hemoglobin. Intraoperative variables (surgery duration, intraoperative blood loss) and postoperative variables (the need for intensive care and transfusion, surgical wound infection, and days of hospital stay) were analyzed.  RESULTS:  Fifty-eight patients that underwent open simple nephrectomy were studied (24 men and 34 women). The mean age of the patients was 46 years, mean intraoperative blood loss was 604.9 mL, and mean surgery duration was 158.6 min. There were statistically significant differences in relation to the variables of need for transfusion (p = 0.0016) and admission to the intensive care unit (p=0.0092). There were no statistically significant differences regarding intraoperative blood loss, surgery duration, days of hospital stay, intraoperative injury to an organ, or surgical wound infection.  CONCLUSIONS: The patients with preoperative anemia that underwent retroperitoneal simple nephrectomy had a greater need for perioperative transfusion and critical care in the intensive care unit, compared with the patients with normal hemoglobin values. The study and correction of anemia in those patients through iron supplementation or the use of erythropoietin prior to the surgical procedure is indispensable to improve outcome and prevent the need for perioperative transfusion, which is associated with greater morbidity and mortality.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[nefrectomía]]></kwd>
<kwd lng="es"><![CDATA[anemia]]></kwd>
<kwd lng="es"><![CDATA[complicaciones]]></kwd>
<kwd lng="es"><![CDATA[exclusión renal]]></kwd>
<kwd lng="es"><![CDATA[litiasis]]></kwd>
<kwd lng="en"><![CDATA[Nephrectomy]]></kwd>
<kwd lng="en"><![CDATA[Anemia]]></kwd>
<kwd lng="en"><![CDATA[Complications]]></kwd>
<kwd lng="en"><![CDATA[Non-functioning kidney]]></kwd>
<kwd lng="en"><![CDATA[Lithiasis]]></kwd>
</kwd-group>
</article-meta>
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