<?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>S1683-98032025000100024</article-id>
<article-id pub-id-type="doi">10.31698/ped.52012025005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Bronquiolitis: factores de gravedad en pacientes internados en un servicio de pediatría entre marzo 2023 y marzo 2024]]></article-title>
<article-title xml:lang="en"><![CDATA[Bronchiolitis: severity factors in patients admitted to a pediatric service between march 2023 and march 2024]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ayala]]></surname>
<given-names><![CDATA[Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[Hassel Jimmy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duarte]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez de Cuellar]]></surname>
<given-names><![CDATA[Celia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Médicas Cátedra y Servicio de Pediatría]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Medicina Tropical  ]]></institution>
<addr-line><![CDATA[Asunción ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2025</year>
</pub-date>
<volume>52</volume>
<numero>1</numero>
<fpage>24</fpage>
<lpage>33</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S1683-98032025000100024&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S1683-98032025000100024&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S1683-98032025000100024&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La bronquiolitis aguda es una de las infecciones respiratorias más comunes en lactantes y niños menores de dos años, siendo una causa importante de hospitalización pediátrica.  Objetivo:  Describir los factores asociados a gravedad en pacientes menores de 2 años con diagnóstico de Bronquiolitis internados en el Servicio de Pediatría del Hospital de Clínicas FCM - UNA.  Materiales y Métodos:  Estudio observacional, retrospectivo, con componente analítico. Se incluyeron pacientes de 1 a 24 meses hospitalizados con diagnóstico de bronquiolitis entre marzo 2023 y marzo 2024. Se analizaron variables sociodemográficas, clínicas y factores de riesgo.  Resultados:  Se analizaron 83 casos, 60% de sexo masculino, mediana de edad de 2 meses (RIC 1-4). El 81% presentó bronquiolitis leve según escala de TAL. La mediana de hospitalización fue 5 días (RIC 3-6). El Virus Sincitial Respiratorio se identificó en 14% de los casos. El peso al nacimiento &#8804;2.500g fue el único factor significativamente asociado a severidad (p&lt;0.0001, OR 19.9, IC95% 4.9-80.7).  Conclusiones:  La bronquiolitis afectó predominantemente a lactantes masculinos menores de 3 meses, con presentación mayormente leve. El bajo peso al nacer resultó ser un factor de riesgo significativo para severidad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Acute bronchiolitis is one of the most common respiratory infections in infants and children under two years of age, and is a leading cause of pediatric hospitalization.  Objective:  To describe the factors associated with severity in patients under two years of age diagnosed with bronchiolitis admitted to the Pediatric Service at the Hospital de Clínicas FCM - UNA.  Materials and Methods:  This was a retrospective, observational study with an analytical component. Patients aged 1 to 24 months hospitalized with a diagnosis of bronchiolitis between March 2023 and March 2024 were included. Sociodemographic, clinical variables, and risk factors were analyzed.  Results:  A total of 83 cases were analyzed; 60% were male, with a median age of 2 months (IQR 1-4). Eighty-one percent presented mild bronchiolitis according to the TAL scale. The median hospitalization stay was 5 days (IQR 3-6). Respiratory syncytial virus was identified in 14% of cases. Birth weight &#8804;2,500 g was the only factor significantly associated with severity (p&lt;0.0001, OR 19.9, 95% CI 4.9-80.7).  Conclusions:  Bronchiolitis predominantly affected male infants younger than 3 months, with a mostly mild presentation. Low birth weight was a significant risk factor for severity.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[bronquiolitis]]></kwd>
<kwd lng="es"><![CDATA[virus Sincitial respiratorio]]></kwd>
<kwd lng="es"><![CDATA[bajo peso]]></kwd>
<kwd lng="en"><![CDATA[Bronchiolitis]]></kwd>
<kwd lng="en"><![CDATA[respiratory syncytial virus]]></kwd>
<kwd lng="en"><![CDATA[low birth weight]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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