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Review of cholesterol-lowering therapy: coronary angiographic and events trials.

Abstract
Coronary angiographic trials have demonstrated that the lowering of cholesterol slows the progression of atherosclerosis, enhances atherosclerotic regression, limits the formation of new lesions, and reduces the incidence of coronary events. Atherosclerotic progression has been shown to be associated with an increased risk of cardiac death, cardiac death plus nonfatal myocardial infarction (MI), and all coronary events. Most of the atherosclerotic regression trials were too small and of too short duration to demonstrate a significant difference in hard coronary events between patients receiving cholesterol-lowering intervention and controls. However, when data from these studies were pooled, total mortality was found to be reduced by 26% and the rate of nonfatal MI by 39% in actively treated patients. The first events trial to demonstrate clearly a reduction in overall mortality was the Scandinavian Simvastatin Survival Study (4S), in which lowering of serum cholesterol in patients with coronary artery disease (CAD) and hypercholesterolemia also reduced coronary mortality, fatal and nonfatal MI, sudden cardiac death, and the need for revascularization. Reductions in major coronary events were seen consistently in all subgroups of patients studied and regardless of concomitant therapy with aspirin, beta blockers, or calcium antagonists. Further evidence of the benefit of cholesterol-lowering therapy was provided by the West of Scotland Coronary Prevention Study (WOSCOPS), which evaluated men with hypercholesterolemia but no history of CAD. Those receiving active treatment had less overall mortality, lower risk of definite nonfatal MI or death from definite or suspected CAD, and less need for revascularization. The Cholesterol and Recurrent Events (CARE) Study recently showed that lipid-lowering therapy is also beneficial in CAD patients with less severe dyslipidemia.
AuthorsD Waters, T R Pedersen
JournalThe American journal of medicine (Am J Med) Vol. 101 Issue 4A Pg. 4A34S-38S; discussion 39S (Oct 08 1996) ISSN: 0002-9343 [Print] United States
PMID8900335 (Publication Type: Journal Article, Review)
Chemical References
  • Anticholesteremic Agents
  • Cholesterol, LDL
Topics
  • Anticholesteremic Agents (therapeutic use)
  • Cholesterol, LDL (blood)
  • Clinical Trials as Topic
  • Coronary Angiography
  • Coronary Artery Disease (prevention & control)
  • Coronary Disease (blood, mortality, prevention & control)
  • Disease Progression
  • Humans
  • Hypercholesterolemia (drug therapy)
  • Survival Rate

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