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Review: β agonist delivery by metered dose inhaler with a valved holding chamber (compared with a nebuliser) reduces admissions in preschool children and infants with acute asthma or wheezing

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Q What is the relative efficacy of β agonists delivered by metered dose inhaler (MDI) with a valved holding chamber (VHC) or by nebuliser in infants and preschool children with acute exacerbations of wheezing or asthma?

METHODS

Embedded ImageData sources:

Medline (1966–2003), EMBASE/Excerpta Medica (1980–2003), Cochrane Controlled Trials Register; and reference lists of included studies, reviews, and texts.

Embedded ImageStudy selection and assessment:

randomised controlled trials (RCTs) in any language that compared β agonist delivery by MDI + VHC with delivery by nebuliser in infants and children <5 years of age who presented to the emergency department (ED) or equivalent setting with acute exacerbation of wheezing or asthma. Exclusion criterion: studies of admitted patients. Methodological quality of individual studies was assessed using the 5 point Jadad scale …

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Footnotes

  • For correspondence: Dr J A Castro-Rodriguez, Department of Pediatrics, School of Medicine, University of Chile, Santiago, Chile. jacastro17hotmail.com

  • Source of funding: no external funding.