<?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>S2007-40852019000100004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Pielonefritis enfisematosa: Revisión de la fisiopatología y tratamiento]]></article-title>
<article-title xml:lang="en"><![CDATA[Emphysematous pyelonephritis: A review of its pathophysiology and management]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz-Lumbreras]]></surname>
<given-names><![CDATA[Eddy Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Michel-Ramírez]]></surname>
<given-names><![CDATA[José Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gaytán-Murguía]]></surname>
<given-names><![CDATA[Michel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gil-García]]></surname>
<given-names><![CDATA[José Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Ordáz]]></surname>
<given-names><![CDATA[Omar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lujano-Pedraza]]></surname>
<given-names><![CDATA[Heriberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdéz-Colín]]></surname>
<given-names><![CDATA[Jorge Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Salud del Estado de México Centro Médico &#8220;Lic. Adolfo López Mateos&#8221; División de Urología]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2019</year>
</pub-date>
<volume>79</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852019000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852019000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852019000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La pielonefritis enfisematosa es una emergencia urológica caracterizada por una infección parenquimatosa y perinéfrica, aguda necrosante, causada por uropatógenos formadores de gas. Es considerada una entidad poco común, teniendo una mayor incidencia en países en vías de desarrollo. Si bien, la patogenia no está bien comprendida existen varios factores bien identificados que se encuentran envueltos en un espectro de elementos que tienen por resultado la producción de gas en el parénquima renal. Varios factores de mal pronóstico asociados a una alta mortalidad han sido identificados en diferentes cohortes. Típicamente podemos dividir el tratamiento de estos pacientes en manejo médico, manejo médico y drenaje endoscópico o percutáneo y nefrectomía de urgencia.; sin embargo, al existir muy pocas guías clínicas o algoritmos de tratamiento, no hay un consenso en el manejo que deben tener estos pacientes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Emphysematous pyelonephritis is a urologic emergency characterized by an acute necrotizing, perinephric, and parenchymal infection caused by gas-forming uropathogens. It is considered a rare entity, with greater incidence in developing countries. Even though its pathogenesis is not fully understood, there are several well-identified factors involved in the spectrum of elements that result in the production of gas in the renal parenchyma. Various poor outcome factors associated with a high mortality rate have been described in different cohorts. The treatment of those patients can typically be divided into medical management, medical management plus endoscopic or percutaneous drainage, and emergency nephrectomy. Nevertheless, given that there are very few guidelines or treatment algorithms, there is no consensus on the management of patients with emphysematous pyelonephritis.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Emphysematous pyelonephritis]]></kwd>
<kwd lng="en"><![CDATA[sepsis]]></kwd>
<kwd lng="en"><![CDATA[outcome factors]]></kwd>
<kwd lng="es"><![CDATA[Pielonefritis enfisematosa]]></kwd>
<kwd lng="es"><![CDATA[sepsis]]></kwd>
<kwd lng="es"><![CDATA[factores pronósticos]]></kwd>
</kwd-group>
</article-meta>
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