<?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>2072-8174</journal-id>
<journal-title><![CDATA[Revista del Nacional (Itauguá)]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Nac. (Itauguá)]]></abbrev-journal-title>
<issn>2072-8174</issn>
<publisher>
<publisher-name><![CDATA[Hospital Nacional (Itauguá)]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2072-81742025000100118</article-id>
<article-id pub-id-type="doi">10.18004/rdn2025.e1700118</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Bronquiolitis en un Hospital de Referencia: evaluación de factores de riesgo, etiología y resultados clínicos]]></article-title>
<article-title xml:lang="en"><![CDATA[Bronchiolitis in a Referral Hospital: evaluation of risk factors, etiology and clinical outcomes]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salinas Díaz]]></surname>
<given-names><![CDATA[María Magdalena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ávalos]]></surname>
<given-names><![CDATA[Domingo Santiago]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Troche Hermosilla]]></surname>
<given-names><![CDATA[Avelina Victoria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Román Ruiz]]></surname>
<given-names><![CDATA[Olivia Rocío]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Ministerio de Salud Pública y Bienestar Social Centro Médico Nacional-Hospital Nacional Departamento de Pediatría. Servicio de Urgencias Pediátricas]]></institution>
<addr-line><![CDATA[Itauguá ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Católica Nuestra Señora de la Asunción  ]]></institution>
<addr-line><![CDATA[Asunción ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad María Auxiliadora  ]]></institution>
<addr-line><![CDATA[Asunción ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<volume>17</volume>
<fpage>118</fpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2072-81742025000100118&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2072-81742025000100118&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2072-81742025000100118&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: la bronquiolitis aguda es una enfermedad frecuente, con elevada tasa de hospitalización estacional.  Objetivo: analizar las características clínicas, factores de riesgo, etiología viral en menores de 18 meses hospitalizados por bronquiolitis aguda en un hospital de referencia.  Metodología: estudio descriptivo, retrospectivo, correlacional, de 80 lactantes menores de 18 meses con bronquiolitis aguda, hospitalizados en el Servicio de Urgencias Pediátricas del Hospital Nacional, desde julio/2021-septiembre/2022. Se incluyeron a lactantes de ambos sexos con hisopado nasofaríngeo positivo para virus respiratorios, excluyéndose a los internados en otras salas.  Muestreo: no probabilístico por conveniencia. Los datos se analizaron con EPI INFO7.2.4;para las variables cualitativas, se calcularon frecuencias absolutas y relativas y para las cuantitativas, la mediana y el rango intercuartílico. Para comparar las variables cuantitativas continuas se utilizó la prueba de Mann-Whitney, para las cualitativas la prueba de Chi2, estableciéndose un nivel de significancia de p &lt; 0,05.  Resultados:  se incluyeron 80 lactantes, edadmediana:2meses (RIQ: 1-6), 53,75 % varones. Factores de riesgo encontrados: edad menor de 3 meses, 52,5 %, ausencia de lactancia materna exclusiva 51,2 %, desnutrición 41 %, inmunodeficiencia 38,5 %, prematurez 37,5 %. Las complicaciones más frecuentes fueron neumonía (40 %) y deshidratación (11,2 %), los virus más frecuentes fueron el virus sincitial respiratorio (78,4 %) y adenovirus (17 %). El 80 % presento bronquiolitis grave.  Conclusiones:  la bronquiolitis aguda fue más frecuente en los menores de 3 meses, del sexo masculino. Los agentes etiológicos más prevalentes fueron el virus sincitial respiratorio y el adenovirus, la complicación más observada fue la neumonía.El 80% presento formas graves.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  acute bronchiolitis is a common disease with a high rate of hospitalization.  Objective:  to analyze the clinical characteristics, risk factors, and viral etiology in children under 18 months of age hospitalized for acute bronchiolitis at a referral hospital.  Methodology:  this was a descriptive, retrospective and correlational study of 80 infants under 18 months of age with acute bronchiolitis, hospitalized in the Pediatric Emergency Department of the National Hospital, from July/2021-September/2022. Infants of both sexes with a positive nasopharyngeal swab for respiratory viruses were included, excluding those hospitalized in other wards.  Sampling:  was non-probabilistic for convenience. The data were analyzed with EPI INFO7: for qualitative variables, absolute and relative frequencies were calculated, and for quantitative variables, median and interquartile range. To compare the continuous quantitative variables, the Mann-Whitney test was used, for the qualitative variables the Chi2 test, establishing a significance level of p &lt; 0.05.  Results:  a total of 80 infants were included, median age: 2 months (IQR: 1-6), 53.75 % male. Risk factors were: age less than 3 months, 52.5 %, absence of exclusive breastfeeding 51.2 %, malnutrition 41 %, immunodeficiency 38.5 %, prematurity 37.5 %. The most frequent complications were pneumonia (40 %) and dehydration (11.2 %), the most frequent viruses were respiratory syncytial virus (78.4 %) and adenovirus (17 %). 80 % had severe bronchiolitis.  Conclusions:  acute bronchiolitis was more frequent in male children under 3 months of age. The most prevalent etiological agents were respiratory syncytial virus and adenovirus, the most observed complication was pneumonia. 80 % had severe forms.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[hospitalización]]></kwd>
<kwd lng="es"><![CDATA[pediatría]]></kwd>
<kwd lng="es"><![CDATA[virus sincitial respiratorio humano.]]></kwd>
<kwd lng="en"><![CDATA[hospitalization]]></kwd>
<kwd lng="en"><![CDATA[pediatrics]]></kwd>
<kwd lng="en"><![CDATA[respiratory syncytial virus human.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Manti]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Staiano]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Orfeo]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Midulla]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Marseglia]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
<name>
<surname><![CDATA[Ghizzi]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[UPDATE - 2022 Italian guidelines on the management of bronchiolitis in infants]]></article-title>
<source><![CDATA[Ital J Pediatr]]></source>
<year>2023</year>
<volume>49</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>19</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García García]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
<name>
<surname><![CDATA[Korta Murua]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Callejón Callejón]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bronquiolitis aguda viral]]></article-title>
<source><![CDATA[Protocdiagn ter pediatr]]></source>
<year>2017</year>
<volume>1</volume>
<page-range>85-102</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fauroux]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Hascoët]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Jarreau]]></surname>
<given-names><![CDATA[PH]]></given-names>
</name>
<name>
<surname><![CDATA[Magny]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Rozé]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Saliba]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Risk factors for bronchiolitis hospitalization in infants A French nationwide retrospective cohort study over four consecutive seasons (2009-2013)]]></article-title>
<source><![CDATA[PLoS One]]></source>
<year>2020</year>
<volume>15</volume>
<numero>3</numero>
<issue>3</issue>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jeong]]></surname>
<given-names><![CDATA[JS]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[JS]]></given-names>
</name>
<name>
<surname><![CDATA[Yeom]]></surname>
<given-names><![CDATA[SW]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[MG]]></given-names>
</name>
<name>
<surname><![CDATA[You]]></surname>
<given-names><![CDATA[YS]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[YC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence and comorbidities of bronchiolitis in adults]]></article-title>
<source><![CDATA[Medicine (Baltimore)]]></source>
<year>2022</year>
<volume>101</volume>
<numero>25</numero>
<issue>25</issue>
</nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Friedrich]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Ongaratto]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Scotta]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
<name>
<surname><![CDATA[Veras]]></surname>
<given-names><![CDATA[TN]]></given-names>
</name>
<name>
<surname><![CDATA[Stein]]></surname>
<given-names><![CDATA[RT]]></given-names>
</name>
<name>
<surname><![CDATA[Lumertz]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Early Impact of Social Distancing in Response to Coronavirus Disease 2019 on Hospitalizations for Acute Bronchiolitis in Infants in Brazil]]></article-title>
<source><![CDATA[Clin InfectDis]]></source>
<year>2021</year>
<volume>72</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>2071-5</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Luarte-Martínez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez-Núñez Astudillo]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Validez y confiabilidad de la escala de Tal modificada en niños chilenos Estudio multicéntrico]]></article-title>
<source><![CDATA[Arch Argent Pediatr]]></source>
<year>2019</year>
<volume>117</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>e340-6</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mareco Herrero]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Insaurralde Báez]]></surname>
<given-names><![CDATA[RE]]></given-names>
</name>
<name>
<surname><![CDATA[Lezcano Peralta]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Mareco Herrero]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Insaurralde Báez]]></surname>
<given-names><![CDATA[RE]]></given-names>
</name>
<name>
<surname><![CDATA[Lezcano Peralta]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Manejo inicial de la bronquiolitis aguda grave en el Hospital Central del Instituto de Previsión Social entre enero a junio 2019]]></article-title>
<source><![CDATA[Rev. cient. cienc. salud]]></source>
<year>2020</year>
<volume>2</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>11-8</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Núñez]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Arbo-Sosa]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores de riesgo de Bronquiolitis en pacientes menores de 2 años Rev. Inst. Med]]></article-title>
<source><![CDATA[Trop]]></source>
<year>2020</year>
<volume>15</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>29-36</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hon]]></surname>
<given-names><![CDATA[KL]]></given-names>
</name>
<name>
<surname><![CDATA[Leung]]></surname>
<given-names><![CDATA[AKC]]></given-names>
</name>
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[AHC]]></given-names>
</name>
<name>
<surname><![CDATA[Dudi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Leung]]></surname>
<given-names><![CDATA[KKY]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[RespiratorySyncytial Virus isthe Most Common Causative Agent of Viral Bronchiolitis in Young Children AnUpdated Review]]></article-title>
<source><![CDATA[CurrPediatr Rev]]></source>
<year>2023</year>
<volume>19</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>139-49</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cano-Garcinuño]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Praena-Crespo]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Mora-Gandarillas]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Carvajal-Urueña]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Callén-Blecua]]></surname>
<given-names><![CDATA[MT]]></given-names>
</name>
<name>
<surname><![CDATA[García-Merino]]></surname>
<given-names><![CDATA[Á]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Heterogeneidad de criterios en el diagnóstico de bronquiolitis aguda en España]]></article-title>
<source><![CDATA[AnPediatr (Barc)]]></source>
<year>2019</year>
<volume>90</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>109-17</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Montejo]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Paniagua]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Saiz-Hernando]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Benito]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reducción de la tasa de incidencia de bronquiolitis aguda y de las hospitalizaciones asociadas a la enfermedad, durante la pandemia de COVID-19]]></article-title>
<source><![CDATA[An Pediatr (Barc)]]></source>
<year>2022</year>
<volume>96</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>537-9</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guitart]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Bobillo-Perez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Alejandre]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Armero]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Launes]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Cambra]]></surname>
<given-names><![CDATA[FJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bronchiolitis, epidemiological changes during the SARS-CoV-2 pandemic]]></article-title>
<source><![CDATA[BMC Infect Dis]]></source>
<year>2022</year>
<volume>22</volume>
<page-range>84</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
