Inhaled therapy reduces morning dips in asthma.
14 asthmatic patients with nocturnal symptoms and morning dips in peak expiratory flow rate (PEFR) were treated with regular inhaled salbutamol for 1 or 2 weeks, followed by regular inhaled beclomethasone dipropionate, in addition to salbutamol, for a further 2 weeks. Mean PEFR rose to normal values in all but 1 patient. Morning dips in PEFR were substantially reduced in 8 patients. There was an equivalent rise in mean PEFR in the other 6 patients, but their morning dips did not improve. Inhaled salbutamol reduced the dips in the responsive patients, but addition of inhaled steroid produced further improvement. Inhaled beta agonist alone improved mean PEFR in these patients, but inhaled steroids produced most of the improvement in the other subgroup. No patient experienced side-effects. Thus mean PEFR can be improved and morning dips in PEFR reduced in a high proportion of asthmatic patients by the use of regular inhaled therapy without resorting to less-well-tolerated oral agents.[1]References
- Inhaled therapy reduces morning dips in asthma. Horn, C.R., Clark, T.J., Cochrane, G.M. Lancet (1984) [Pubmed]
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