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JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
SYSTEMATIC REVIEW
Smoking Cessation in Patients With Acute Coronary Syndrome.
American Journal of Cardiology 2018 May 2
Over 30% of the nearly 1 million North Americans hospitalized annually with an acute coronary syndrome (ACS) are smokers. Despite a substantially increased risk of morbidity and mortality, 2/3 of patients who quit smoking after ACS return to smoking within 1 year. To summarize the evidence of smoking cessation in patients hospitalized after ACS, we systematically reviewed all randomized controlled trials of pharmacologic and behavioral smoking cessation therapies in patients with ACS. In addition, we reviewed the clinical considerations surrounding the use of smoking cessation therapies, including their broad mechanisms of action and possible alternative treatments, including cardiac rehabilitation programs and electronic cigarettes. A total of 7 randomized controlled trials met our inclusion criteria (4 pharmacotherapies and 3 behavioral therapies). In pharmacologic trials, only varenicline increased point prevalence abstinence at 12 months. Behavioral interventions produced significantly improved abstinence rates at 6 and 12 months. However, these studies had substantial limitations affecting their generalizability. Overall, currently available smoking cessation therapies are limited in their efficacy in patients hospitalized after ACS. Because of the relative scarcity of data and the urgency of establishing clinical guidelines, there is a critical need to continue examining the efficacy and safety of smoking cessation interventions in patients hospitalized after ACS.
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