Hypertensive patients with coronary artery disease had similar outcomes when they took a beta-blocker therapy or a calcium antagonist-based therapy, according to a study in the December 3 issue of The Journal of the American Medical Association (JAMA).
According to background information in the article, despite conclusive evidence of the effectiveness of medications to treat high blood pressure in patients with hypertension in general, safety and efficacy of antihypertensive medications in patients with coronary artery disease (CAD) have been discerned only from the analyses of subgroups in large trials.
Carl J. Pepine, M.D., of the University of Florida College of Medicine, Gainesville, Fla., and colleagues designed a randomized trial, the International Verapamil-Trandolapril Study (INVEST), to compare outcomes in older hypertensive patients with CAD treated with a calcium antagonist strategy (CAS; verapamil sustained release [SR]) or a beta-blocker, non-calcium antagonist strategy (NCAS; atenolol). Because most hypertensive patients require more than 1 agent to adequately control blood pressure, INVEST was intended to compare multidrug strategies rather than individual agents. The study included 22,576 hypertensive CAD patients aged 50 years or older, and was conducted September 1997 to February 2003 at 862 sites in 14 countries.
Melanie Fridlross | EurekAlert!
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Physicists of the University of Würzburg have made an astonishing discovery in a specific type of topological insulators. The effect is due to the structure of the materials used. The researchers have now published their work in the journal Science.
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