Effect of β blockers in treatment of chronic obstructive pulmonary disease: a retrospective cohort study
BMJ 2011; 342:d2549 doi: 10.1136/bmj.d2549 (Published 10 May 2011)
Cite this as: BMJ 2011; 342:d2549
Conclusions: β blockers may reduce mortality and COPD exacerbations when added to established inhaled stepwise therapy for COPD, independently of overt cardiovascular disease and cardiac drugs, and without adverse effects on pulmonary function.