A comparison of breath-actuated and conventional metered-dose inhaler inhalation techniques in elderly subjects.


BACKGROUND Poor coordination of canister actuation and inspiration often prevents adequate metered-dose inhaler (MDI) usage by patients, perhaps especially so among the elderly. Breath-actuated inhalers (BAI) have been developed to prevent this problem. METHODS We compared the adequacy of inhaler technique and patient preferences between MDI and BAI in a… (More)


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