Short-Term Atorvastatin Treatment Improves Endothelial Function in Hypercholesterolemic Women

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Abstract
Endothelial dysfunction represents the earliest stage of atherosclerosis and is usually present in hypercholesterolemia. Treatment with statins has been shown to normalize endothelial function in middle-aged men with hypercholesterolemia. We evaluated the effect over time of atorvastatin on the endothelial reactivity in postmenopausal hypercholesterolemic women (mean age. 58 ± 6 years), receiving atorvastatin, 10 mg daily (n = 20) or American Heart Association step 1 diet (n = 10) for 8 weeks. Lipid profile and brachial artery flow-mediated vasodilation (FMV) were determined at baseline and after 1, 2, 4, and 8 weeks. FMV increased progressively in subjects treated with atorvastatin, and the difference was significant (p