Reduction in Cardiovascular Events During Pravastatin Therapy

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Abstract
Background It has been documented that the HMG coenzyme A reductase inhibitors, or statins, can decrease cardiovascular events and mortality in patients with clinical coronary disease and moderately to severely elevated lipid levels. Additional data are required to demonstrate a reduction of vascular events in coronary patients with less than severely elevated lipid levels and in subgroups of this population. Methods and Results Clinical data from four atherosclerosis regression trials that evaluated pravastatin were pooled for a predetermined analysis of the effect of that agent on the risk of coronary events. All trials were double-masked, placebo-controlled designs that used pravastatin as monotherapy for 2 to 3 years. The 1891 participants in the trials had evidence of atherosclerosis and mildly to moderately elevated lipid levels. For fatal or nonfatal myocardial infarction, there was a 62% reduction in events attributable to pravastatin (P=.001). This effect was evident in younger and older patients...

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