<?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>S2007-40852023000200003</article-id>
<article-id pub-id-type="doi">10.48193/revistamexicanadeurologa.v83i2.1017</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Ureteral stent insertion failure in obstructive uropathy secondary to cervical cancer]]></article-title>
<article-title xml:lang="es"><![CDATA[Factores predictivos de derivación urinaria endourológica en uropatía obstructiva por cáncer cervicouterino]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cervantes-Miranda]]></surname>
<given-names><![CDATA[Daniel Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pallares-Méndez]]></surname>
<given-names><![CDATA[Rigoberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villarreal-del-Bosque]]></surname>
<given-names><![CDATA[Israel Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Negreros-Osuna]]></surname>
<given-names><![CDATA[Adrián Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Aranda]]></surname>
<given-names><![CDATA[Katherine Lyn]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz-de la Cruz]]></surname>
<given-names><![CDATA[Carlos De la]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-González]]></surname>
<given-names><![CDATA[Adrián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arrambide-Gutiérrez]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Nuevo León  ]]></institution>
<addr-line><![CDATA[ Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Medicina ]]></institution>
<addr-line><![CDATA[ Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<volume>83</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852023000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852023000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852023000200003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  To identify preoperative features that predict ureteral stent placement failure in women with obstructive uropathy secondary to cervical cancer.  Methods:  Observational, descriptive, analytical study. Clinical registries of patients with diagnosis of obstructive uropathy secondary to cervical cancer were reviewed. Fifty-two patients attended between January 2017 to January 2021 were included. Diagnosis of obstructive uropathy consisted of hydronephrosis or hydroureter in imaging studies and elevation in baseline serum creatinine and blood urea nitrogen with uremic syndrome. An analysis of variables of interest was carried out to assess the association with ureteral stent placement failure.  Results:  We observed that the overall rate of failed ureteral stent placement was 55.8%. We did not find any differences in baseline characteristics between patients with successful or unsuccessful ureteral stent placement. A higher percentage of patients with failed urinary diversion on admission had a decrease in urinary output (58.6% vs. 30.4%, p=0.04), uremic syndrome (51.7% vs. 21.7%, p=0.02), as well as an increased median serum creatinine (6.6 vs. 2.6 mg/dL, p=0.03) compared to patients with successful ureteral stent placement. An admission serum creatinine cut-off value of 3.4 mg/dL yielded sensitivity of 69% and specificity of 65.2% for unsuccessful ureteral stent placement (AUC=0.674, 95% CI 0-52-0.82; p=0.03).  Conclusion:  Our data suggest that distal ureteral obstruction evidenced by imaging, regardless of the extent of invasion, is the most important factor related to unsuccessful ureteral stent placement.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  Identificar las características preoperatorias que predicen el fracaso de la colocación de stent ureteral en mujeres con uropatía obstructiva secundaria por cáncer cervicouterino.  Métodos:  Estudio observacional, descriptivo, analítico. Se revisaron los registros clínicos de pacientes con diagnóstico de uropatía obstructiva secundaria por cáncer cervicouterino. Se incluyeron 52 pacientes atendidos entre enero de 2017 y enero de 2021. El diagnóstico de uropatía obstructiva consistió en hidronefrosis o hidrouréter en estudios de imagen y elevación de la creatinina sérica basal y nitrógeno ureico en sangre con síndrome urémico. Se realizó un análisis de variables de interés para evaluar la asociación con el fracaso de la colocación de stent ureteral.  Resultados:  Se observó que la tasa global de colocación fallida de stent ureteral fue del 55.8%. No encontramos diferencias en las características basales entre los pacientes con colocación exitosa o no exitosa de stent ureteral. Un mayor porcentaje de pacientes con derivación urinaria fallida al ingreso presentaron disminución de la diuresis (58.6% vs 30.4%, p=0.04), síndrome urémico (51.7% vs 21.7%, p=0.02), así como aumento en la mediana de la creatinina sérica (6.6 frente a 2.6 mg/dL, p=0.03) en comparación con pacientes con colocación exitosa de stent ureteral. Un valor de corte de creatinina sérica al ingreso de 3.4 mg/dl produjo una sensibilidad del 69 % y una especificidad del 65.2 % para la colocación fallida de un stent ureteral (AUC=0.674, IC del 95 %: 0-52-0.82; p=0.03).  Conclusión:  Nuestros datos sugieren Jque la obstrucción ureteral distal evidenciada por imágenes, independientemente de la extensión de la invasión, es el factor más importante relacionado con la colocación fallida de un stent ureteral.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Cervical Cancer]]></kwd>
<kwd lng="en"><![CDATA[malignant ureteral obstruction]]></kwd>
<kwd lng="en"><![CDATA[ureteral catheterization]]></kwd>
<kwd lng="en"><![CDATA[acute kidney failure]]></kwd>
<kwd lng="en"><![CDATA[pelvic neoplasms]]></kwd>
<kwd lng="es"><![CDATA[Cáncer cervicouterino]]></kwd>
<kwd lng="es"><![CDATA[obstrucción ureteral maligna]]></kwd>
<kwd lng="es"><![CDATA[cateterismo ureteral]]></kwd>
<kwd lng="es"><![CDATA[insuficiencia renal aguda]]></kwd>
<kwd lng="es"><![CDATA[neoplasias pélvicas]]></kwd>
</kwd-group>
</article-meta>
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