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Journal Article
Randomized Controlled Trial
A randomised controlled trial of breathing modes for adaptive aerosol delivery in children with cystic fibrosis.
Journal of Cystic Fibrosis : Official Journal of the European Cystic Fibrosis Society 2011 September
BACKGROUND: Aerosol delivery is a cornerstone of CF airways disease management. New nebulisers have reduced treatment times by utilising mesh technology for aerosol production. We have evaluated a further modification (target inhalation mode (TIM)) that may reduce treatment delivery times further.
METHODS: Following a baseline period on tidal breathing mode (TBM), children with CF on long-term aerosol therapy were randomly allocated to either TIM, which optimises patient inhalations through a direct feedback mechanism, or to continue TBM. The primary outcome was nebuliser treatment times with secondary outcomes being adherence and patient preference.
RESULTS: The ten children allocated TIM reduced their mean (SD) treatment times from 6.9(2.9) to 3.7(2.3) minutes (p<0.001). In contrast, treatment times were unchanged in the ten children allocated TBM. Mean adherence was maintained in the TIM group but declined in patients allocated TBM by >5%. All children preferred TIM to TBM.
CONCLUSION: TIM reduces nebuliser treatment times and may positively impact on adherence, although longer duration studies are required to examine this. (ISRCTN65617839).
METHODS: Following a baseline period on tidal breathing mode (TBM), children with CF on long-term aerosol therapy were randomly allocated to either TIM, which optimises patient inhalations through a direct feedback mechanism, or to continue TBM. The primary outcome was nebuliser treatment times with secondary outcomes being adherence and patient preference.
RESULTS: The ten children allocated TIM reduced their mean (SD) treatment times from 6.9(2.9) to 3.7(2.3) minutes (p<0.001). In contrast, treatment times were unchanged in the ten children allocated TBM. Mean adherence was maintained in the TIM group but declined in patients allocated TBM by >5%. All children preferred TIM to TBM.
CONCLUSION: TIM reduces nebuliser treatment times and may positively impact on adherence, although longer duration studies are required to examine this. (ISRCTN65617839).
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