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J Pediatr. 2004 Aug;145(2):172-7.

beta-agonists through metered-dose inhaler with valved holding chamber versus nebulizer for acute exacerbation of wheezing or asthma in children under 5 years of age: a systematic review with meta-analysis.

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  • 1Pediatric Pulmonary Section, Department of Pediatrics, School of Medicine, University of Chile, Santiago, Chile. tro17@hotmail.com

Abstract

OBJECTIVE:

To compare the efficacy of beta-agonists given by metered-dose inhaler with a valved holding chamber (MDI+VHC) or nebulizer in children under 5 years of age with acute exacerbations of wheezing or asthma in the emergency department setting.

STUDY DESIGN:

Published (1966 to 2003) randomized, prospective, controlled trials were retrieved through several different databases. The primary outcome measure was hospital admission.

RESULTS:

Six trials (n=491) met criteria for inclusion. Patients who received beta-agonists by MDI+VHC showed a significant decrease in the admission rate compared with those by nebulizer (OR, 0.42; 95% CI, 0.24-0.72; P=.002); this decrease was even more significant among children with moderate to severe exacerbations (OR, 0.27; 95% CI, 0.13-0.54; P=.0003). Finally, measure of severity (eg, clinical score) significantly improved in the group who received beta-agonists by MDI+VHC in comparison to those who received nebulizer treatment (standardized mean difference, -0.44; 95% CI, -0.68 to -0.20; P=.0003).

CONCLUSIONS:

The use of an MDI+VHC was more effective in terms of decreasing hospitalization and improving clinical score than the use of a nebulizer in the delivery of beta-agonists to children under 5 years of age with moderate to severe acute exacerbations of wheezing or asthma.

PMID:
15289762
[PubMed - indexed for MEDLINE]
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