Spacers and nebulisers for the delivery of beta-agonists in non-life-threatening acute asthma.
Respiratory Medicine · 2003-07-01 · Meta-analysis
Abstract
BACKGROUND: In asthma exacerbations, higher doses of inhaled beta-agonists are used to overcome acute bronchoconstriction. Traditionally, wet nebulisation has been used, but metered-dose inhaler with a spacer device is an alternative delivery method. OBJECTIVE: To compare the clinical outcomes in adults and children with acute asthma, presenting in emergency departments or in the community, who have been randomised to beta-agonists given by two different delivery. METHODS: a metered-dose inhaler with spacer or a nebuliser. RESULTS: A Cochrane review has found no important differences between the two delivery methods in adults. Children may suffer fewer side effects with spacer delivery. CONCLUSIONS: Individual response to treatment cannot be predicted, but many studies overcame this problem by using frequent repeated doses of beta-agonists (one respule via nebuliser or four separate actuations of a metered-dose inhaler through a spacer) every 10-15 min, titrated against the clinical response of the patients. This approach is advocated in clinical practice.
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Tags
Children · Respiratory drugs · Salbutamol
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