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Revista del Instituto de Medicina Tropical

Print version ISSN 1996-3696


PALOMINO, Mirna; MESQUITA, Mirta  and  GODOY, Laura. Neonates in pediatric emergency department. Comparative study of bronchiolitis with other pathologies that required hospitalization. Rev. Inst. Med. Trop. [online]. 2022, vol.17, n.2, pp.13-22. ISSN 1996-3696.


: Bronchiolitis in a viral infection of the respiratory tract and the most frequent cause of hospitalization of young infants The objective of the study was to compare the clinical, socioeconomic characteristics and the evolution of neonates admitted for bronchiolitis (BR), with those admitted for other pathologies. (0P)

Material and method

: descriptive observational study. Neonates diagnosed with BR and those admitted for OP were included: Variables: postnatal age, sex, reason for admission, comorbidities, admission to the pediatric intensive care unit (PICU), days of hospitalization, socioeconomic stratum, presence of familial atopy and environmental exposure to smoke. Data were analyzed in SPSS.


75 infants with BR and 86 admitted OP entered the study. 45% of infants with BR were admitted for social risk, and 38.4% of infants with OP due to suspected late neonatal sepsis. Neonates with BR had higher postnatal age; 21 days, vs 8.5 p=0.001, came from urban areas in 98.6% vs. 79% p=0.001 and mothers were younger, 23 years vs. 25 years respectively p=0.01. In addition, they presented a higher frequency of exposure to environmental smoke. (p=0.01) and lower frequency of comorbidities (p=0.03) No patient with BR admission to the PICU vs 3.5% in the group of neonates with OP.


Neonates with BR were older, came from urban areas, had fewer comorbidities, their mothers were younger, and they had greater exposure to environmental smoke. Most cases were mild BR.

Keywords : neonates; bronchiolitis; risk factors; social condictions.

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