<?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>1405-9940</journal-id>
<journal-title><![CDATA[Archivos de cardiología de México]]></journal-title>
<abbrev-journal-title><![CDATA[Arch. Cardiol. Méx.]]></abbrev-journal-title>
<issn>1405-9940</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Cardiología Ignacio Chávez]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-99402021000100017</article-id>
<article-id pub-id-type="doi">10.24875/acm.19000398</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Péptido natriurético cerebral tipo B como marcador de sobrecarga hemodinámica del conducto arterioso permeable en el recién nacido prematuro]]></article-title>
<article-title xml:lang="en"><![CDATA[B-type brain natriuretic peptide as marker of hemodynamic overload of the patent ductus arteriosus in the preterm infant]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Parra-Bravo]]></surname>
<given-names><![CDATA[J. Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdovinos-Ponce]]></surname>
<given-names><![CDATA[M. Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[Heladia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Núñez-Enríquez]]></surname>
<given-names><![CDATA[Juan C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-Cárdenas]]></surname>
<given-names><![CDATA[M. Lourdes]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Avilés-Monjaraz]]></surname>
<given-names><![CDATA[Rodrigo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lavana-Hernández]]></surname>
<given-names><![CDATA[Wendy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Servicio de Cardiología Pediátrica  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital General Tláhuac Secretaría de Salud Servicio de Neonatología]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Mexicano del Seguro Social (IMSS) Centro Médico Nacional (CMN) Siglo XXI Unidad de Investigación en Análisis y Síntesis de la Evidencia]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital de Pediatría Unidad de Investigación en Epidemiología Clínica (UMAE)]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<volume>91</volume>
<numero>1</numero>
<fpage>17</fpage>
<lpage>24</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-99402021000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-99402021000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-99402021000100017&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: El ecocardiograma es el método de referencia para el diagnóstico del conducto arterioso permeable (CAP) hemodinámicamente significativo (CAP-hs) del recién nacido prematuro (RNP). El péptido natriurético tipo B (BNP) puede ser útil en el diagnóstico y el manejo del CAP-hs.  Objetivo: Evaluar la utilidad del BNP como marcador de sobrecarga hemodinámica del conducto arterioso permeable en el RNP con edad gestacional &lt; 32 semanas o peso &lt; 1500 gramos, e identificar el mejor punto de corte para los valores de BNP que mejor prediga un CAP con repercusión hemodinámica que requiera tratamiento farmacológico o quirúrgico.  Método: Estudio retrospectivo, observacional y descriptivo de RNP &lt; 32 semanas de gestación o peso &lt; 1500 gramos en los que se realizó ecocardiograma y determinación del BNP. Análisis de muestra global y por subgrupos, en función del CAP-hs.  Resultados: Se analizaron 29 pacientes. Se encontró una correlación significativa entre la relación CAP/peso y los valores del BNP (prueba de Spearman: 0.71; intervalo de confianza del 95%: 0.45-0.87; p &lt; 0.001). El mejor punto de corte del BNP para predecir CAP-hs fue 486.5 pg/ml, con una sensibilidad del 81% y una especificidad del 92% (p &lt; 0.001).  Conclusión: El punto de corte del BNP identificado en el presente estudio se correlacionó con la presencia de CAP-hs.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: The echocardiogram is the gold standard, in the diagnosis of the hemodynamically significant patent ductus arteriosus (hs-PDA) of the premature newborn (PNB). Type B natriuretic peptide (BNP) may be useful in the diagnosis and management of CAP-hs.  Objective: To assess the utility of BNP as a marker of hemodynamic overload of the patent ductus arteriosus in newborns with gestational age &lt; 32 weeks or weight &lt; 1500 grams, and to identify the best cut-off point for BNP levels that would best predict a PDA with hemodynamic impact requiring pharmacological and/or surgical treatment.  Methods: Retrospective, observational and descriptive study of PNB &lt; 32 weeks gestation or weight &lt; 1500 grams, in which echocardiogram and BNP determination was performed. Analysis of the global sample and by subgroups, depending on the hs-PDA status was performed.  Results: A total of 29 patients were analyzed. A significant correlation was found between the PDA/weight ratio and BNP levels (Spearman: 0.71; 95% confidence interval: 0.45-0.87; p &lt; 0.001). The best BNP cut-off point to predict CAP-hs was 486.5 pg/ml with a sensitivity of 81% and specificity of 92% (p &lt; 0.001).  Conclusion: The BNP cut-off point identified in the present study was correlated with the presence of CAP-hs.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Conducto arterioso permeable]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
<kwd lng="es"><![CDATA[Péptido natriurético tipo B]]></kwd>
<kwd lng="es"><![CDATA[Prematuridad]]></kwd>
<kwd lng="en"><![CDATA[Patent ductus arteriosus]]></kwd>
<kwd lng="en"><![CDATA[México]]></kwd>
<kwd lng="en"><![CDATA[B-type natriuretic peptide]]></kwd>
<kwd lng="en"><![CDATA[Prematurity]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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