<?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>S2007-40852020000600003</article-id>
<article-id pub-id-type="doi">10.48193/revistamexicanadeurologa.v80i6.644</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Características clínicas y factores pronósticos de la pielonefritis enfisematosa: experiencia terapéutica en un centro hospitalario de tercer nivel en México]]></article-title>
<article-title xml:lang="en"><![CDATA[Clinical characteristics and prognostic factors of emphysematous pyelonephritis: a therapeutic experience at a tertiary care hospital center in Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Núñez]]></surname>
<given-names><![CDATA[Juan Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rico-Frontana]]></surname>
<given-names><![CDATA[Eloy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Calderón]]></surname>
<given-names><![CDATA[Francisco Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cabrera-Mora]]></surname>
<given-names><![CDATA[Norma Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Sánchez]]></surname>
<given-names><![CDATA[Yunuen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-García]]></surname>
<given-names><![CDATA[Luis Raymundo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-Valle]]></surname>
<given-names><![CDATA[Yaneli]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Hernández]]></surname>
<given-names><![CDATA[Raymundo Armando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Virgen-Gutiérrez]]></surname>
<given-names><![CDATA[José Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosas Nava]]></surname>
<given-names><![CDATA[Jesús Emmanuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acevedo García]]></surname>
<given-names><![CDATA[Christian]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jaspersen-Gastélum]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Secretaría de Salud Hospital General de México &#8220;Dr. Eduardo Liceaga&#8221; ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Secretaría de Salud Dirección General de Epidemiología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>80</volume>
<numero>6</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852020000600003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852020000600003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852020000600003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La Pielonefritis Enfisematosa (PE) es una infección necrotizante del tracto urinario superior, asociada a enterobacterias con una evolución subaguda e insidiosa. El diagnóstico es clínico, corroborándose y estadificándose mediante estudio tomográfico. El manejo dependerá de la gravedad del caso, puede ameritar manejo antimicrobiano y vigilancia hasta nefrectomía de urgencia.  Objetivo: Describir los factores asociados a gravedad para PE en la población atendida en el servicio de Urología del Hospital General de México.  Material y métodos: Estudio observacional, retrospectivo, analítico, obteniéndose para variables cualitativas frecuencias simples y distribución porcentual; para variables cuantitativas, se obtuvieron medidas de tendencia central; para variables con distribución no normal, se obtuvieron mediana y rango intercuartil. La comparación entre grupos se realizó mediante prueba exacta de Fisher (variables cualitativas), y test de U de Mann Whitney e intervalos de confianza al 95% (IC 95%) (variables cuantitativas). La estadística inferencial utilizó razón de momios (RM) para obtener la relación de cada factor para gravedad. Los cálculos fueron realizados con un nivel de confiabilidad de 95% y error alfa de 5%.  Resultados: Los factores asociados a gravedad para PE son: bilateralidad (RM 7.5, IC 95 % 1.56-36.8, p 0.011), cólico nefrítico (RM 2.9, IC 95 % 0.70-12.4, p 0.01), leucocitosis (RM 1.5, IC 95 % 0.44-4.92, p 0.04), trombocitopenia (RM 3.2, IC 95% 0.29-34.7, p 0.04), Glasgow &lt;15 (RM 1.3, IC 95 % 0.31-3.39, p 0.001) y Azoemia (RM 1.5, IC 95% 0.44-4.92, p 0.04).  Conclusión: La temprana identificación de estos factores permitirá disminuir el riesgo de complicaciones y mejorar la evolución de los pacientes con PE.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Emphysematous pyelonephritis (EP) is a necrotizing infection of the upper urinary tract, associated with enterobacteria, whose progression is subacute and insidious. Diagnosis is clinical and is corroborated and staged through computed tomography. Management depends on the severity of the case and can range from antimicrobial therapy and surveillance to emergency nephrectomy.  Aim: To describe the factors associated with the severity of EP in a population seen at the Urology Service of the Hospital General de México.  Materials and methods: A retrospective, observational, analytic study was conducted. The qualitative variables were expressed through simple frequencies and percentage distribution and the quantitative variables were expressed through measures of central tendency. The variables with non-normal distribution were expressed through median and interquartile range. Group comparisons were carried out using the Fisher&#8217;s exact test (qualitative variables), the Mann-Whitney U test, and 95% confidence intervals (95% CIs). Odds ratios (ORs) were utilized for the inferential statistics to obtain the relation of each factor to severity. Calculations were made with a 95% CI and a 5% alpha error.  Results: The factors associated with EP severity were: bilaterality (OR 7.5, 95% CI 1.56-36.8, p 0.011), renal colic (OR 2.9, 95% CI 0.70-12.4, p 0.01), leukocytosis (OR 1.5, 95% CI 0.44-4.92, p 0.04), thrombocytopenia (OR 3.2, 95% CI 0.29-34.7, p 0.04), Glasgow coma score &lt; 15 (OR 1.3, 95% CI 0.31-3.39, p 0.001), and azotemia (OR 1.5, 95% CI 0.44-4.92, p 0.04).  Conclusion: The early identification of those factors can reduce the risk for complications and improve disease progression in patients with EP.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Emphysematous pyelonephritis]]></kwd>
<kwd lng="en"><![CDATA[prognostic factors]]></kwd>
<kwd lng="en"><![CDATA[treatment]]></kwd>
<kwd lng="es"><![CDATA[pielonefritis enfisematosa]]></kwd>
<kwd lng="es"><![CDATA[factores pronósticos]]></kwd>
<kwd lng="es"><![CDATA[tratamiento]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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