Allergy Asthma Respir Dis.  2013 Dec;1(4):377-382. 10.4168/aard.2013.1.4.377.

Association between the clinical index and disease severity in infants with acute bronchiolitis

Affiliations
  • 1Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea. dongins0@snu.ac.kr

Abstract

PURPOSE
We aimed to verify whether the formal clinical index derived from infants and toddlers have a good association with the disease severity when we confine subjects to only infants, who undergo profound changes physically and immunologically.
METHODS
We retrospectively reviewed the medical records of hospitalized infants with acute bronchiolitis caused by respiratory syncytial virus between January 1, 2010 and December 31, 2011 in three hospitals. The age, respiratory rate, presentation of chest retraction, and percutaneous oxygen saturation upon admission; presentation of fever, use of oxygen therapy and inhaled corticosteroid within 24 hours after admission were investigated. We then examined the effect of clinical index on severity of acute bronchiolitis; the mean length of stay, mean duration of fever and oxygen therapy.
RESULTS
A total of 172 infants were studied. The mean length of stay was longer in patients younger than 3 months (P=0.015), in those with fever (P=0.028) and chest retraction (P=0.014), and in those who needed oxygen supplement (P=0.000). In the patients with fever, the mean duration of fever was longer in those who needed the oxygen supplement than those who did not (P=0.046).
CONCLUSION
Younger than 3 months of age, chest retraction upon admission; fever, need of oxygen supplement within 24 hours after admission may predict the severe course of infants with acute bronchiolitis.

Keyword

Acute bronchiolitis; Clinical index; Infant; Respiratory syncytial virus
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