Abstract
Objective: To review the rate of exacerbations relative to β-blocker use in patients with chronic obstructive pulmonary disease (COPD). Data Sources: A MEDLINE search (1953 to May 2019) was performed using the search terms beta-blockers, chronic obstructive pulmonary disease, and exacerbations. An EMBASE search was also performed using the search terms chronic obstructive lung disease and beta adrenergic receptor blocking agents (1970 to May 2019). References from the review of literature citations were also identified. Study Selection and Data Extraction: English-language studies assessing COPD exacerbations in patients prescribed a β-blocker were included. Any article not addressing exacerbations was excluded. Data Synthesis: A total of 15 articles were included; 7 articles showed no change, 1 provided mixed results, and 7 indicated a significant decrease in COPD exacerbations in a variety of exacerbation severities. Two of the studies differentiated between cardioselective and noncardioselective β-blockers. Relevance to Patient Care and Clinical Practice: This work represents an initial assessment of the use of β-blockers to reduce COPD exacerbations. The findings raise the question if β-blockers should be used more frequently in patients with COPD. Conclusions: Based on the limited number of studies that address β-blocker use in COPD, it appears that exacerbations are not increased and may be decreased. A randomized, placebo-controlled trial is in progress to possibly provide more definitive answers to this question. Until the trial is complete, β-blockers should not be withheld in COPD patients who have concurrent cardiovascular conditions, especially where there is a mortality benefit.
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