<?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>S2007-40852017000300191</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Recurrencia de la estenosis de uretra bulbar en pacientes con tratamiento primario de uretroplastia anastomósica o uretrotomía interna]]></article-title>
<article-title xml:lang="en"><![CDATA[Recurrence of bulbar urethral stricture in patients with primary treatment of anastomotic urethroplasty or internal urethrotomy]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Trujillo-Ortiz]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Montor]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cantellano-Orozco]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Arroyo]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Noyola]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sedano-Basilio]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pacheco-Gahbler]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General Dr. Manuel Gea González  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital General Dr. Manuel Gea González  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital General Dr. Manuel Gea González  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<volume>77</volume>
<numero>3</numero>
<fpage>191</fpage>
<lpage>198</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852017000300191&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852017000300191&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852017000300191&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  ANTECEDENTES:  la estenosis uretral reduce el flujo de orina y dificulta el vaciado vesical; su origen es multifactorial y no existe un consenso definitivo respecto de cómo se establecen el diagnóstico y el tratamiento definitivo.  OBJETIVO: determinar la recurrencia de estenosis de uretra bulbar en pacientes con intervención quirúrgica primaria de uretroplastia anastomósica o uretrotomía interna.  MATERIALES Y MÉTODOS:  estudio de cohorte, retrospectivo, efectuado en pacientes a quienes se practicó uretroplastia anastomósica y uretrotomía interna, entre 2007 y 2014, en el Hospital General Dr. Manuel Gea González, Ciudad de México. Análisis de características preoperatorias: edad, retención urinaria, causa, longitud y localización del segmento estenósico; resultados pre y posquirúrgico de la uroflujometría (Qmax), recurrencia de la estenosis y tratamiento posterior a ésta.  RESULTADOS:  se registraron 31 (22.3%) pacientes a quienes se efectuó uretroplastia anastomósica y 108 uretrotomía interna (77.7%); la edad media fue de 54.12 ± 14.6 años y la causa más frecuente fue iatrogénica (57.6%), seguida del traumatismo (29.5%), idiopática (8.6%) e infecciosa (4.3%). La longitud media de la estenosis fue de 13.20 ± 4.9 mm; retención urinaria en 5.8%; Qmax prequirúrgico de 6.81 ± 1.53 y posquirúrgico de 11.78 ± 2.44 mL/seg. No se observó recurrencia a seis meses en los pacientes tratados mediante uretroplastia anastomósica y la recurrencia en los de uretrotomía interna fue de 43.9%. En los pacientes con recurrencia a 6 meses, el Qmax posquirúrgico fue 10.77 ± 1.82 vs 12.5 ± 2.59 mL/seg de quienes no tuvieron recurrencia (p=0.002).  CONCLUSIONES:  la uretroplastia anastomósica puede considerarse el tratamiento de primera línea en pacientes con estenosis de uretra bulbar &#8804;2 cm de longitud. La uretrotomía interna representa la técnica quirúrgica de mínima invasión de mayor disponibilidad para la práctica urológica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  BACKGROUND: Urethral stricture is an alteration that reduces urine flow and hampers bladder voiding. Its origin is multifactorial and there is no definitive consensus on approach or standard treatment.  OBJECTIVE: To determine the recurrence of bulbar urethral stricture in patients that underwent primary anastomotic urethroplasty or primary internal urethrotomy.  MATERIALS AND METHODS: A retrospective cohort study was conducted on patients that underwent anastomotic urethroplasty or internal urethrotomy within the time frame of 2007 and 2014 at the Hospital General Dr. Manuel Gea González, in Mexico City. The preoperative characteristics analyzed were: age, urinary retention, etiology, length and location of the strictured segment, preoperative and postoperative uroflowmetry (Qmax) results, stricture recurrence, and treatment after recurrence.  RESULTS: Thirty-one (22.3%) patients that underwent anastomotic urethroplasty and 108 (77.7%) that had internal urethrotomy were registered. Mean patient age was 54.12 ± 14.6 years and the most frequent etiology was iatrogenic (57.6%), followed by traumatic causes (29.5%), idiopathic causes (8.6%), and infectious origin (4.3%). Mean stricture length was 13.20 ± 4.9 mm, 5.8% of patients had urinary retention, preoperative Qmax was 6.81 ± 1.53, and postoperative Qmax was 11.78 ± 2.44 mL/sec. There was no recurrence at 6 months in the patients that underwent anastomotic urethroplasty. Recurrence in the patients that had internal urethrotomy was 43.9%. Postoperative Qmax was 10.77 ± 1.82 mL/sec in the patients that had recurrence at 6 months vs 12.5 ± 2.59 mL/sec in those that did not have recurrence (p=0.002).  CONCLUSIONS: Anastomotic urethroplasty can be considered firstline treatment in patients with bulbar urethral stricture &#8804;2 cm in length. Internal urethrotomy is the minimally invasive surgical treatment of greater availability in urologic practice.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[estenosis de uretra]]></kwd>
<kwd lng="es"><![CDATA[estrechez uretral]]></kwd>
<kwd lng="es"><![CDATA[uretroplastia anastomósica]]></kwd>
<kwd lng="es"><![CDATA[uretrotomía interna]]></kwd>
<kwd lng="en"><![CDATA[Urethral stricture]]></kwd>
<kwd lng="en"><![CDATA[urethral narrowness]]></kwd>
<kwd lng="en"><![CDATA[anastomotic urethroplasty]]></kwd>
<kwd lng="en"><![CDATA[internal urethrotomy]]></kwd>
</kwd-group>
</article-meta>
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