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  • Title: HMG-CoA reductase inhibitors suppress the development and progression of carotid artery intimal-medial thickening in hypercholesterolemic type 2 diabetic patients.
    Author: Takahashi T, Ishii N, Itai K, Goto R, Higashi K, Kobori S.
    Journal: J Atheroscler Thromb; 2005; 12(3):149-53. PubMed ID: 16020915.
    Abstract:
    We reported previously that 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitors (RIs) suppressed in vitro oxidized-low density lipoprotein-induced macrophage growth. To elucidate whether HMG-CoA RIs have anti-atherogenic effects separate from their cholesterol-lowering effect, total plasma levels of cholesterol in patients with type 2 diabetes mellitus (type 2 DM) and hypercholesterolemia were reduced to normal by one-year treatment with HMG-CoA RIs and intimal-medial thickness (IMT) of the common carotid arteries (CCA) was measured. Patients with type 2 DM and hypercholesterolemia received either pravastatin (n = 15) or simvastatin (n = 15), while another group of type 2 DM patients with normocholesterolemia did not receive these agents. IMT of the CCA was measured using Powervision SSA-370A, probe 7.5 Mhz. The mean IMT and the rate of increase of IMT were relatively elevated in the order of the simvastatin-treatment group, pravastatin-treatment group, and control group. Our results suggested that HMG-CoA RIs might have anti-atherogenic effects in addition to their cholesterol-lowering effect.
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