<?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>0187-5337</journal-id>
<journal-title><![CDATA[Perinatología y reproducción humana]]></journal-title>
<abbrev-journal-title><![CDATA[Perinatol. Reprod. Hum.]]></abbrev-journal-title>
<issn>0187-5337</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Perinatología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-53372023000200043</article-id>
<article-id pub-id-type="doi">10.24875/per.23000004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diagnóstico prenatal de malformaciones del tracto urinario: evaluación posnatal y resultado clínico]]></article-title>
<article-title xml:lang="en"><![CDATA[Prenatal diagnosis of urinary tract malformations: postnatal evaluation and clinical outcome]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Olmedo]]></surname>
<given-names><![CDATA[José L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Rodríguez]]></surname>
<given-names><![CDATA[Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-Amador]]></surname>
<given-names><![CDATA[Teresa M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cano-Rodríguez]]></surname>
<given-names><![CDATA[María Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León-Verdín]]></surname>
<given-names><![CDATA[María Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional del Bajío Servicio de Neonatología]]></institution>
<addr-line><![CDATA[León Gto]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Guanajuato División Ciencias de la Salud-Campus León Departamento de Investigación Clínica]]></institution>
<addr-line><![CDATA[León Gto]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional del Bajío Hospital de Gineco-Pediatría]]></institution>
<addr-line><![CDATA[León Gto]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>37</volume>
<numero>2</numero>
<fpage>43</fpage>
<lpage>53</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-53372023000200043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-53372023000200043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-53372023000200043&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: Las malformaciones del tracto urinario representan el 15-20% de las anomalías por ecografía prenatal; la prevalencia oscila entre 3 y 6 por cada 1,000 nacimientos.  Objetivo: Conocer el desenlace clínico de los recién nacidos diagnosticados prenatalmente con malformación del tracto urinario.  Material y métodos: Observacional, analítico, ambispectivo. Recién nacidos con diagnóstico prenatal de malformación urinaria. Evaluación posnatal con pruebas diagnósticas, analizamos días de estancia hospitalaria, intervención quirúrgica y seguimiento.  Resultados: 45 pacientes, 55% varones, 65% de término, 77% cesárea. El diagnóstico prenatal más frecuente fue hidronefrosis, 100% se realizó ultrasonido renal posnatal, 27% cistograma miccional, 42% gammagrama renal; 60% requirió estancia hospitalaria prolongada, 27% intervención quirúrgica, 60% seguimiento. 89% de los casos diagnosticados prenatalmente se corroboró algún tipo de malformación del tracto urinario, solo en el 75% de los casos fue el mismo diagnóstico.  Conclusión: La evaluación posnatal siempre requiere la realización de un ultrasonido renal y no en todos los casos realización de cistograma miccional o gammagrama renal.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Urinary tract malformations represent 15-20% of abnormalities in prenatal ultrasound; the prevalence oscillates between 3-6 per 1000 births.  Objective: To know the clinical outcome of newborns diagnosed prenatally with some malformation of the urinary tract.  Material and methods: Observational, analytical, ambispective. Newborns with prenatal diagnosis of malformation urinary. Postnatal evaluation diagnostic tests performed, we analyzed the days of hospital stay, surgical intervention, follow-up.  Results: 45 children, 55% male, 65% term, 77% c-section. Prenatal diagnosis with higher frequency was hydronephrosis. In all cases postnatal renal ultrasound was performed, 27% voiding cystogram, 42% renal gammagram. A 60% of the cases required prolonged hospital stay, 27% required a surgical intervention, 60% were follow-up. 89% of the cases diagnosed prenatally corroborated some type of malformation of the urinary tract, only in 75% of the cases was the same diagnosis.  Conclusion: Postnatal evaluation always requires the performance of a renal ultrasound and not in all cases the performance of voiding cystogram or renal gammagram.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Diagnóstico prenatal y posnatal]]></kwd>
<kwd lng="es"><![CDATA[Malformaciones]]></kwd>
<kwd lng="es"><![CDATA[Tracto urinario]]></kwd>
<kwd lng="en"><![CDATA[Prenatal and postnatal diagnosis]]></kwd>
<kwd lng="en"><![CDATA[Malformation]]></kwd>
<kwd lng="en"><![CDATA[Urinary tract]]></kwd>
</kwd-group>
</article-meta>
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