<?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>S0120-56332017000100071</article-id>
<article-id pub-id-type="doi">10.1016/j.rccar.2016.07.004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Valvuloplastia pulmonar en menores de 21 años]]></article-title>
<article-title xml:lang="en"><![CDATA[Pulmonary valvuloplasty in patients under the age of 21]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-González]]></surname>
<given-names><![CDATA[Mónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León-Guerra]]></surname>
<given-names><![CDATA[Óscar J.]]></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]]></surname>
<given-names><![CDATA[Luis H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Clínica CardioVID  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<volume>24</volume>
<numero>1</numero>
<fpage>71</fpage>
<lpage>77</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-56332017000100071&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-56332017000100071&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-56332017000100071&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo:  Determinar la asociación entre la proporción de las reintervenciones en los pacientes con la estenosis valvular pulmonar y la presencia de un gradiente transvalvular pulmonar final &#8805;25 mm Hg en pacientes menores de 21 años.  Metodología: Estudio unicéntrico observacional, tipo corte transversal de período.  Población:  Pacientes entre 0 meses y 21 años en quienes se realizó valvuloplastia pulmonar con balón.  Análisis:  Descripción del grupo y análisis en los subgrupos dados por el gradiente final transvalvular &#8805;25 mm Hg y la reintervención. Se realizaron pruebas chi2 de Pearson, para las variables categóricas. Para las variables continuas se realizaron pruebas U de Mann-Whitney. Se realizó una regresión logística para definir la asociación entre las variables y el desenlace a la reintervención.  Resultados:  En el grupo con el gradiente final &#8805;25 mm Hg, el 86,67% eran lactantes. Se encontró que en el grupo con el gradiente final &lt; 25 mm Hg la mediana del gradiente inicial fue de 42 mm Hg IQ 25-75%: (34-59) en comparación con el grupo con el gradiente final &#8805;25 mm Hg, la mediana del gradiente inicial fue 70 mm Hg IQ 25-75%: (41-86). Al analizar los grupos por la variable reintervención, se observó que el cambio en la relación de las presiones entre el ventrículo derecho y el ventrículo izquierdo se asoció con menor necesidad de reintervención. OR 0,04; IC 95% (0,002-0,7). El tener un gradiente final después de la intervención &#8805;25 mm Hg se asoció a reintervención. OR 14,5; IC 95% (2,8-75).  Conclusiones: Un gradiente final transvalvular pulmonar &#8805;25 mm Hg se asoció a mayor probabilidad de reintervención.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Motivation:  To determine the association between the proportion of reoperations in patients with pulmonary valvular stenosis and the presence of a final pulmonary transvalvular gradient of &#8805;25 mm Hg in patients under the age of 21.  Methods:  Observational single-centre study, cross-sectional period type.  Population:  Patients between 0 months and 21 years of age who underwent balloon pulmonary valvuloplasty.  Analysis:  Description of the group and analysis in the subgroups given by the final transvalvular gradient of &#8805;25 mm Hg and reoperation. Pearson&#8217;s chi-squared test was conducted for categorical variables. For the continuous variables, the Mann-Whitney U test was conducted. Logistic regression was used to define the association between variables and reoperation outcome.  Results:  In the group with the final gradient of &#8805;25 mm Hg, 86.67% were infants. The group with the final gradient of &lt; 25 mm Hg the median of the initial gradient was 42 mm Hg IQ 25-75%: (34-59) in comparison to the group with the final gradient &#8805;25 mm Hg, the median of the initial gradient was 70 mm Hg IQ 25-75%: (41-86). By analysing both groups with the reoperation variable, it was observed that the change in the relationship of the pressured between the right ventricle and the left ventricle was associated with a lower need for reoperation. OR 0.04; CI 95% (0.002-0.7). Having a final gradient of &#8805;25 mm Hg after the surgery was associated to reoperation. OR 14.5; CI 95% (2.8-75).  Conclusion:  Having a final pulmonary transvalvular gradient of &#8805;25 mm Hg was associated to a higher probability of reoperation.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Valvuloplastia]]></kwd>
<kwd lng="es"><![CDATA[Estenosis]]></kwd>
<kwd lng="es"><![CDATA[Pediatría]]></kwd>
<kwd lng="en"><![CDATA[Valvuloplasty]]></kwd>
<kwd lng="en"><![CDATA[Stenosis]]></kwd>
<kwd lng="en"><![CDATA[Pediatrics]]></kwd>
</kwd-group>
</article-meta>
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