Respiratory pathogens in infants less than two months old hospitalized with acute respiratory infection.
Rev Argent Microbiol
; 53(1): 20-26, 2021.
Article
em En
| MEDLINE
| ID: mdl-33162251
Lower acute respiratory infections (ARI) are a frequent cause of morbidity and mortality in infants, respiratory viruses being the major causative agents. The aim of this work was to determine the respiratory pathogen frequency, the clinical characteristics and the outcome in infants <2 months old hospitalized with ARI. A retrospective study was performed during a five-year period (2008-2011, 2014-2016). Respiratory viruses and atypical bacteria were studied using the FilmArray-Respiratory Panel. Demographic and clinical characteristics, hospitalization course and outcomes were evaluated. Of the 137 infants <2 months old hospitalized with ARI studied, a 94.9% positivity rate as determined in 117 infants with community-acquired infection and 20.0% in 20 infants who acquired the infection during their birth hospitalization in the neonatal intensive care units (NICU) (nosocomial ARI) (p<0.001). In infants with community-acquired infection, Respiratory syncytial virus (RSV) (52.1%) and Rhinovirus/Enterovirus (RV/EV) (41.0%) were the most frequent detected pathogens. Coinfections were determined in one quarter of the infants, RSV-RV/EV being the most frequent combination. In infants with nosocomial infection, RV/EV, RSV or Parainfluenza-3 were detected as single pathogens. Most infants with community-acquired infection presented lower ARI (81.2%) while most infants in the NICU had upper ARI (55.0%). The median length of stay (LOS) in infants with community-acquired ARI was 4 days (IQR: 2-6). Positive infants with nosocomial infection had longer median LOS (71 days [IQR:42-99]) compared to negative infants (58 days [IQR: 49-71]) (p=0.507). Respiratory viruses were detected as the major causative agents of community-acquired infection in hospitalized infants <2-months old, RSV and RV/EV being the most frequently detected. Although a low pathogen positivity rate was observed in infants with nosocomial infection, they may prolong the LOS.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Infecções Respiratórias
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Vírus
Tipo de estudo:
Observational_studies
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Risk_factors_studies
Limite:
Child
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Humans
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Infant
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Newborn
Idioma:
En
Revista:
Rev Argent Microbiol
Ano de publicação:
2021
Tipo de documento:
Article
País de afiliação:
Argentina
País de publicação:
Argentina