<?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>0120-5633</journal-id>
<journal-title><![CDATA[Revista Colombiana de Cardiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Colomb. Cardiol.]]></abbrev-journal-title>
<issn>0120-5633</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Colombiana de Cardiologia. Oficina de Publicaciones]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-56332025000100006</article-id>
<article-id pub-id-type="doi">10.24875/rccar.24000021</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tratamiento intervencionista de la estenosis valvular pulmonar crítica neonatal]]></article-title>
<article-title xml:lang="en"><![CDATA[Interventional treatment of neonatal critical pulmonary valvular stenosis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Escobar]]></surname>
<given-names><![CDATA[Isabel C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lince-Varela]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Medina]]></surname>
<given-names><![CDATA[Luis H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Restrepo]]></surname>
<given-names><![CDATA[Diana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Clínica Cardio-VID Departamento de Cardiología Pediátrica ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Clínica Cardio-VID Área de Hemodinamia ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad CES Área de Epidemiología ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2025</year>
</pub-date>
<volume>32</volume>
<numero>1</numero>
<fpage>6</fpage>
<lpage>13</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-56332025000100006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-56332025000100006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-56332025000100006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: en la actualidad, la valvuloplastia con balón es la terapia de primera línea en neonatos con estenosis valvular pulmonar crítica, pues es considerada como un procedimiento menos invasivo y que acarrea menor riesgo de complicaciones y muerte en comparación con la cirugía.  Objetivo: definir las características clínicas y hemodinámicas de los pacientes con estenosis valvular pulmonar crítica, llevados a valvuloplastia con balón y sus desenlaces inmediatos a corto plazo.  Método: estudio de seguimiento retrospectivo de una cohorte, en un centro de referencia cardiovascular.  Resultados: se evidenció un alto porcentaje de valvuloplastias exitosas, con disminución significativa del gradiente transvalvular y de presión sistólica del ventrículo derecho (VD), con pocas complicaciones, dadas por alteraciones del ritmo y ruptura infundibular, sin mayores repercusiones clínicas. En general, las reacciones infundibulares graves se dieron en baja frecuencia y la mortalidad relacionada con el procedimiento intervencionista fue nula.  Conclusión: la valvuloplastia pulmonar con balón es un procedimiento efectivo y seguro para el tratamiento de neonatos con estenosis valvular pulmonar crítica, que arroja buenos resultados inmediatos y a corto plazo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: balloon valvuloplasty is currently the first line therapy in neonates with critical pulmonary valve stenosis, considered a less invasive procedure, with a lower risk of complications and death compared to surgery.  Objective: to define the clinical and hemodynamic characteristics of patients with this pathology, who underwent balloon valvuloplasty and its immediate and short-term outcomes.  Method: retrospective follow-up study of cohort, in a cardiovascular referral center.  Results: a high percentage of successful valvuloplasty was evident, with a significant decrease in the transvalvular gradient and in the systolic pressure of the right ventricle (RV), with few complications, due to rhythm disturbances and infundibular rupture, without major clinical repercussions. In general, severe infundibular reactions occurred in low frequency and mortality related to the interventional procedure was nil.  Conclusion: balloon valvuloplasty is an effective and safe procedure for the treatment of neonates with critical pulmonary valve stenosis, with good immediate and short-term results.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Valvuloplastia con balón]]></kwd>
<kwd lng="es"><![CDATA[Estenosis valvular pulmonar]]></kwd>
<kwd lng="es"><![CDATA[Neonatos]]></kwd>
<kwd lng="es"><![CDATA[Complicaciones]]></kwd>
<kwd lng="es"><![CDATA[Cateterización cardíaca]]></kwd>
<kwd lng="en"><![CDATA[Balloon valvuloplasty]]></kwd>
<kwd lng="en"><![CDATA[Pulmonary valve stenosis]]></kwd>
<kwd lng="en"><![CDATA[Newborn]]></kwd>
<kwd lng="en"><![CDATA[Cardiac catheterization]]></kwd>
<kwd lng="en"><![CDATA[Complications]]></kwd>
</kwd-group>
</article-meta>
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