<?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>1683-9803</journal-id>
<journal-title><![CDATA[Pediatría (Asunción)]]></journal-title>
<abbrev-journal-title><![CDATA[Pediatr. (Asunción)]]></abbrev-journal-title>
<issn>1683-9803</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Paraguaya de Pediatría]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1683-98032022000300154</article-id>
<article-id pub-id-type="doi">10.31698/ped.49032022004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Factores clínicos y socioeconómicos asociados a bronquiolitis severa en lactantes menores de 24 meses. Estudio de caso control]]></article-title>
<article-title xml:lang="en"><![CDATA[Clinical and socioeconomic factors associated with severe bronchiolitis in infants under 24 months of age. A case control study]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ozuna]]></surname>
<given-names><![CDATA[Samira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mesquita]]></surname>
<given-names><![CDATA[Mirta]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Godoy Sanchez]]></surname>
<given-names><![CDATA[Laura Evangelina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cardozo]]></surname>
<given-names><![CDATA[Olivia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General Pediátrico Niños de Acosta Ñu  ]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital General Pediátrico Niños de Acosta Ñu Departamento de Docencia e investigación ]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>49</volume>
<numero>3</numero>
<fpage>154</fpage>
<lpage>161</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S1683-98032022000300154&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S1683-98032022000300154&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S1683-98032022000300154&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: En países en desarrollo, además de las comorbilidades, otros factores podrían aumentar el riesgo de enfermedad respiratoria severa. El objetivo del presente estudio fue analizar los factores de riesgo clínicos, sociodemográficos y ambientales asociados al ingreso a la unidad de cuidados intensivos pediátricos (UCIP) de lactantes menores de 24 meses con diagnóstico de bronquiolitis.  Materiales y métodos  Diseño: caso- control. Se incluyó a lactantes de 0 a 24 meses de edad con el diagnóstico de bronquiolitis severa que ingresaron a la UCIP y los controles fueron lactantes bronquiolitis leve a moderada, sin requerimiento de UCIP. Se excluyeron las historias clínicas incompletas e imposibilidad de comunicación con los padres. Variables: bajo peso de nacimiento, parto pretérmino y presencia de enfermedades de base (EB), nivel socioeconómico, lactancia materna exclusiva hasta los 6 meses de edad, exposición al humo ambiental y al tabaco. Los datos fueron analizados en SPSS V21. El comité de ética aprobó el estudio con consentimiento informado de los padres.  Resultados : Fueron incluidos 220 pacientes. Caso control 1:1. En el análisis bivariado los casos se asoció la presencia de EB, bajo peso de nacimiento, prematuridad, bajo estrato socioeconómico y ausencia de LME hasta 6 meses En el análisis ajustado la bronquiolitis severa se asoció a presencia de EB, bajo estrato socioeconómico y ausencia de LME hasta los 6 meses.  Conclusiones  La bronquiolitis severa en lactantes menores de 24 meses, se asoció a la presencia de comorbilidades, falta de lactancia materna exclusiva y a la pertenencia a estratos socioeconómicos bajo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  In developing countries, in addition to comorbidities, other factors could increase the risk of severe respiratory disease. The objective of this study was to analyze the clinical, sociodemographic, and environmental risk factors associated with admission to the pediatric intensive care unit (PICU) of infants younger than 24 months with a diagnosis of bronchiolitis.  Materials and methods:  the study design was case-control. Infants from 0 to 24 months of age with a diagnosis of severe bronchiolitis who were admitted to the PICU were included, and the controls were infants with mild to moderate bronchiolitis, without PICU requirement. Cases with incomplete medical records and the inability to communicate with parents were excluded. Variables: low birth weight, preterm delivery and presence of underlying diseases (UD), socioeconomic level, exclusive breastfeeding (EBF) up to 6 months of age, exposure to environmental smoke and tobacco. Data were analyzed in SPSS V21. The hospital ethics committee approved the study and parental informed consent was obtained.  Results:  220 patients were included. Control case 1:1. In the bivariate analysis, the cases were associated with the presence of UD, low birth weight, prematurity, low socioeconomic status, and absence of EBF for up to 6 months. In the adjusted analysis, severe bronchiolitis was associated with the presence of UD, low socioeconomic status, and absence of EBF up to 6 months.  Conclusions:  Severe bronchiolitis in infants under 24 months of age was associated with the presence of comorbidities, lack of exclusive breastfeeding, and belonging to low socioeconomic strata.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Bronquiolitis]]></kwd>
<kwd lng="es"><![CDATA[unidad de cuidados intensivos pediátricos]]></kwd>
<kwd lng="es"><![CDATA[factores de riesgo]]></kwd>
<kwd lng="es"><![CDATA[clase social]]></kwd>
<kwd lng="es"><![CDATA[comorbilidad]]></kwd>
<kwd lng="es"><![CDATA[lactancia materna.]]></kwd>
<kwd lng="en"><![CDATA[Bronchiolitis]]></kwd>
<kwd lng="en"><![CDATA[pediatric intensive care unit]]></kwd>
<kwd lng="en"><![CDATA[risk factors]]></kwd>
<kwd lng="en"><![CDATA[social class]]></kwd>
<kwd lng="en"><![CDATA[comorbidity]]></kwd>
<kwd lng="en"><![CDATA[breastfeeding.]]></kwd>
</kwd-group>
</article-meta>
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