Long-acting calcium antagonists in patients with coronary artery disease: a meta-analysis.

Abstract

BACKGROUND The use of calcium channel blockers (CCBs) in patients with coronary artery disease remains controversial, with reports of increased risk of myocardial infarction and all-cause mortality. Short-acting CCBs have an unfavorable hemodynamic profile. The role of long-acting CCBs in patients with coronary artery disease is unknown. METHODS MEDLINE/CENTRAL/EMBASE database were searched from 1966 to August 2008 for randomized controlled trials of long-acting CCBs in patients with coronary artery disease with follow-up for at least 1 year. We extracted from the studies the baseline characteristics and 6 outcomes: all-cause mortality, cardiovascular mortality, nonfatal myocardial infarction, stroke, angina pectoris, and heart failure. RESULTS Of the 100 randomized controlled trials of CCBs in patients with coronary artery disease, 15 studies evaluating 47,694 patients fulfilled our inclusion criteria. When compared with the comparison group (including placebo), CCBs were not associated with an increased risk of all-cause mortality (relative risk [RR] 0.99; 95% confidence interval [CI], 0.94-1.05), cardiovascular mortality (RR 1.03; 95% CI, 0.95-1.11), nonfatal myocardial infarction (RR 0.96; 95% CI, 0.87-1.06), or heart failure (RR 0.86; 95% CI, 0.71-1.05), and with a 21% reduction in the risk of stroke (95% CI, 0.70-0.89) and 18% reduction in the risk of angina pectoris (95% CI, 0.72-0.94). When compared with placebo, CCBs resulted in a 28% reduction in the risk of heart failure (95% CI, 0.73-0.92). The results were similar for both dihydropyridines and nondihydropyridine CCBs. CONCLUSIONS In patients with coronary artery disease, long-acting CCBs (either dihydropyridines or nondihydropyridines), were associated with a reduction in the risk of stroke, angina pectoris, and heart failure, with similar outcomes for other cardiovascular events as the comparison group.

DOI: 10.1016/j.amjmed.2008.09.043
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@article{Bangalore2009LongactingCA, title={Long-acting calcium antagonists in patients with coronary artery disease: a meta-analysis.}, author={Sripal Bangalore and Sanobar Parkar and Franz H . Messerli}, journal={The American journal of medicine}, year={2009}, volume={122 4}, pages={356-65} }