<?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>S2007-40852024000500005</article-id>
<article-id pub-id-type="doi">10.48193/1h3wgr24</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tratamiento de estenosis de uretra anterior con balón dilatador con paclitaxel en niños: reporte preliminar]]></article-title>
<article-title xml:lang="en"><![CDATA[Treatment of anterior urethral stricture with paclitaxel-coated balloon dilator in children: preliminary report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cuevas Villegas]]></surname>
<given-names><![CDATA[Salvador]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Higareda Gómez]]></surname>
<given-names><![CDATA[Ramón Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mogollón Ferrero]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Godínez Álvarez]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campuzano Vázquez]]></surname>
<given-names><![CDATA[Santiago]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Takahashi Álvarez Tostado]]></surname>
<given-names><![CDATA[Jesús Eduardo]]></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 &#8220;La Raza&#8221; ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2024</year>
</pub-date>
<volume>84</volume>
<numero>5</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852024000500005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852024000500005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852024000500005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Descripción del caso clínico:  Se trataron tres pacientes pediátricos con estenosis de uretra debido a diversas etiologías con dilatación mecánica con balón recubierto de paclitaxel (Ranger TM). Se realizó seguimiento fluoroscópico 3 meses posteriores sin recidiva en ninguno.  Relevancia:  La incidencia mundial de estenosis de uretra en el sexo masculino es de 0.2-0.6 %, la uretroplastía es la mejor opción terapéutica. El paclitaxel es un fármaco antiproliferativo utilizado inicialmente como quimioterapéutico y para la resolución de la obstrucción coronaria, por lo que proponemos el uso del balón dilatador recubierto con paclitaxel para el tratamiento de la estenosis de uretra.  Implicaciones clínicas:  La dilatación uretral con balón recubierto de paclitaxel ha demostrado mejores resultados anatómicos y funcionales en estenosis de uretra anterior comparado con el tratamiento endoscópico estándar en estenosis recurrentes &lt;3 cm en longitud en estudios de tercera fase. Los resultados a corto y mediano plazo son muy prometedores con una tasa de éxito mayor del 65 %.  Conclusiones:  La dilatación uretral con balón recubierto de paclitaxel, puede ser utilizada en niños con estenosis uretral de manera segura con buenos resultados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Case description:  Three pediatric patients with urethral stenosis due to multiple etiologies underwent mechanical Paclitaxel coated balloon dilation (Ranger TM). All of them underwent fluoroscopic follow-up at 3 months and no recurrence was observed.  Relevance:  The worldwide incidence of urethral stenosis in males is 0.2-0.6 %. Currently, urethroplasty is the best therapeutic option. Paclitaxel is an antiproliferative drug initially used as a chemotherapeutic agent and currently used for resolution of coronary obstruction due to the inhibition of fibroblast growth. We advocate for its use along with mechanical ballon dilation for the treatment of urethral stenosis.  Clinical implications:  Urethral Paclitaxel balloon dilation has shown better anatomic and functional results in anterior urethral stenosis compared with endoscopic treatment, specially in recurrent stenosis &lt;3 cm in third fase studies. The short and medium term results are promising with a success rate of more than 65 %.  Conclusions:  Paclitaxel coated balloon dilation can be used safely in pediatric patients with urethral stenosis, achieving resolution of obstruction.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Paclitaxel-coated balloon dilator]]></kwd>
<kwd lng="en"><![CDATA[drug coated-balloon treatment]]></kwd>
<kwd lng="en"><![CDATA[recurrent urethral stricture]]></kwd>
<kwd lng="en"><![CDATA[anterior urethral stricture]]></kwd>
<kwd lng="es"><![CDATA[Balón dilatador con paclitaxel]]></kwd>
<kwd lng="es"><![CDATA[estenosis de uretra recurrente]]></kwd>
<kwd lng="es"><![CDATA[estenosis de uretra anterior]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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