While topical beta-blocker therapy for glaucoma is known to cause bronchospasm in patients with asthma and COPD, findings from a new study suggest that the adverse airway effects of such therapy are not confined to patients with respiratory disease.
“It was first suggested, in an intervention study some years ago, that topical beta-blocker therapy may cause respiratory dysfunction in apparently healthy elderly patients,” lead author Dr. James F. Kirwan, from the Institute of Ophthalmology in London, told Reuters Health. “In our study, we wanted to determine the magnitude of this problem at the population level,” he added.
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