<?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>1665-1146</journal-id>
<journal-title><![CDATA[Boletín médico del Hospital Infantil de México]]></journal-title>
<abbrev-journal-title><![CDATA[Bol. Med. Hosp. Infant. Mex.]]></abbrev-journal-title>
<issn>1665-1146</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Salud, Hospital Infantil de México Federico Gómez]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-11462019000500241</article-id>
<article-id pub-id-type="doi">10.24875/bmhim.19000103</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Sling de la arteria pulmonar en paciente preescolar con compromiso de la vía aérea]]></article-title>
<article-title xml:lang="en"><![CDATA[Pulmonary artery sling in preschool patient with airway compromise]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monroy-Cárdenas]]></surname>
<given-names><![CDATA[M. Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Sarmiento]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barón-Puentes]]></surname>
<given-names><![CDATA[Oscar U.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Rosario  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Fundación Neumológica Colombiana  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2019</year>
</pub-date>
<volume>76</volume>
<numero>5</numero>
<fpage>241</fpage>
<lpage>245</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-11462019000500241&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-11462019000500241&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-11462019000500241&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: El sling de la arteria pulmonar izquierda es una rara malformación congénita del arco aórtico en la que la rama pulmonar izquierda se origina a partir de la arteria pulmonar derecha. Generalmente se sitúa entre la tráquea y el esófago, que frecuentemente la comprimen. Dependiendo del grado de compromiso de la vía aérea, el esófago y las anomalías cardíacas asociadas, las manifestaciones clínicas varían. El tratamiento de esta malformación es quirúrgico; con el paso de los años, este abordaje ha mejorado, y se ha logrado una disminución de la morbilidad y mortalidad en esta condición.  Caso clínico:  Se presenta el caso de una paciente preescolar con hallazgo de sling de la arteria pulmonar izquierda con compromiso de la vía aérea.  Conclusiones:  Después de la corrección quirúrgica, se logró una respuesta clínica favorable y una mejoría significativa en la vía aérea, evidenciada en los hallazgos en la fibrobroncoscopia, sin necesidad de intervenciones adicionales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Left pulmonary artery sling is a rare congenital malformation of the aortic arch in which this artery originates from the right pulmonary artery and courses over the trachea and the esophagus. Clinical manifestations vary depending on the degree of airway compromise, the esophagus and associated cardiac anomalies. The treatment for this malformation is surgical; over the years, this approach has improved, achieving a decrease in morbidity and mortality in this condition.  Case report: A preschool patient with incidental finding of sling of the left pulmonary artery with compromise of the airway is presented.  Conclusions:  After the surgical procedure, a favorable clinical outcome was observed and a significant improvement in the airway was shown by a fibrobronchoscopy, without any additional intervention.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Anillo vascular]]></kwd>
<kwd lng="es"><![CDATA[Cabestrillo (sling)]]></kwd>
<kwd lng="es"><![CDATA[Anomalía congénita de la arteria pulmonar]]></kwd>
<kwd lng="es"><![CDATA[Disfagia]]></kwd>
<kwd lng="es"><![CDATA[Estenosis de la tráquea]]></kwd>
<kwd lng="en"><![CDATA[Vascular ring]]></kwd>
<kwd lng="en"><![CDATA[Sling]]></kwd>
<kwd lng="en"><![CDATA[Congenital pulmonary artery anomaly]]></kwd>
<kwd lng="en"><![CDATA[Dysphagia]]></kwd>
<kwd lng="en"><![CDATA[Tracheal stenosis]]></kwd>
</kwd-group>
</article-meta>
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