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Cardiovascular safety of inhaled long-acting bronchodilators in individuals with chronic obstructive pulmonary disease.

Abstract：

IMPORTANCE:Chronic obstructive pulmonary disease (COPD) is a common and deadly disease. Long-acting inhaled β-agonists and anticholinergics, first-line medications for COPD, have been associated with increased risk of cardiovascular outcomes. When choosing between the medications, patients and physicians would benefit from knowing which has the least risk. OBJECTIVE:To assess the association of these classes of medications with the risk of hospitalizations and emergency department visits for cardiovascular events. DESIGN:We conducted a nested case-control analysis of a retrospective cohort study. We compared the risk of events between patients newly prescribed inhaled long-acting β-agonists and anticholinergics, after matching and adjusting for prognostic factors. SETTING:Health care databases from Ontario, the largest province of Canada, with a multicultural population of approximately 13 million. PARTICIPANTS:All individuals 66 years or older meeting a validated case definition of COPD, based on health administrative data, and treated for COPD from September 1, 2003, through March 31, 2009. EXPOSURE:New use of an inhaled long-acting β-agonist or long-acting anticholinergic. MAIN OUTCOME AND MEASURES:An emergency department visit or a hospitalization for a cardiovascular event. RESULTS:Of 191 005 eligible patients, 53 532 (28.0%) had a hospitalization or an emergency department visit for a cardiovascular event. Newly prescribed long-acting inhaled β-agonists and anticholinergics were associated with a higher risk of an event compared with nonuse of those medications (respective adjusted odds ratios, 1.31 [95% CI, 1.12-1.52; P < .001] and 1.14 [1.01-1.28; P = .03]). We found no significant difference in events between the 2 medications (adjusted odds ratio of long-acting inhaled β-agonists compared with anticholinergics, 1.15 [95% CI, 0.95-1.38; P = .16]). CONCLUSIONS AND RELEVANCE:Among older individuals with COPD, new use of long-acting β-agonists and anticholinergics is associated with similar increased risks of cardiovascular events. Close monitoring of COPD patients requiring long-acting bronchodilators is needed regardless of drug class.

journal_name

JAMA Intern Med

journal_title

JAMA internal medicine

authors

Gershon A,Croxford R,Calzavara A,To T,Stanbrook MB,Upshur R,Stukel TA

doi

10.1001/jamainternmed.2013.1016

subject

Has Abstract

pub_date

2013-07-08 00:00:00

pages

1175-85

issue

eissn

2168-6106

issn

2168-6114

pii

1689974

journal_volume

173

pub_type

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Cardiovascular safety of inhaled long-acting bronchodilators in individuals with chronic obstructive pulmonary disease.