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J Clin Endocrinol Metab. 2004 Feb;89(2):740-7.

The effects of atorvastatin on endothelial function in diabetic patients and subjects at risk for type 2 diabetes.

Author information

1
Joslin Diabetes Center, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston Massachusetts 02215, USA.

Abstract

We have investigated the effect of atorvastatin on the endothelial function of patients with diabetes and subjects at risk for type 2 diabetes in a 12-wk, prospective, randomized, placebo-controlled, double-blind clinical trial. The flow- mediated dilation (FMD; endothelium dependent) and nitroglycerin-induced dilation (endothelium independent) in the brachial artery and the vascular reactivity at the forearm skin were measured. FMD improved in the atorvastatin-treated, at-risk subjects [median (25-75 percentile), 7.2% (2.9-9.6%) at exit visit vs. 6.6% (2.9-9.5%) at baseline; P < 0.05]. A similar improvement of FMD was found in atorvastatin-treated diabetic patients [median (25-75 percentile), 5.6 (3.9-7.9) at exit visit vs. 4.2 (3.2-7.2) at baseline; P = 0.07]. No changes were observed in nitroglycerin-induced dilation and the microcirculation reactivity measurements in either group. In the at-risk group, there was a decrease in the C-reactive protein [median (25-75 percentile), 0.12 mg/dl (0.07-0.27 mg/dl) at exit visit vs. 0.24 mg/dl (0.07-0.35 mg/dl) at baseline; P < 0.05] and TNF alpha [median (25-75 percentile), 2.6 pg/ml (1.8-4.1 pg/ml) at exit visit vs. 4.4 pg/ml (3.6-6.0 pg/ml) at baseline; P < 0.05] in the atorvastatin-treated patients, whereas in the diabetes group, a decrease in endothelin-1 (mean +/- SD, 0.97 +/- 0.29 pg/ml at exit visit vs. 1.19 +/- 0.42 pg/ml at baseline; P < 0.05) and plasminogen activator inhibitor-1 [median (25-75 percentile), 18 ng/ml (9-24 ng/ml) at exit visit vs. 27 ng/ml (7-41 ng/ml) at baseline; P < 0.05] were observed. We conclude that atorvastatin improves endothelial function and decreases levels of markers of endothelial activation and inflammation.

PMID:
14764790
DOI:
10.1210/jc.2003-031116
[Indexed for MEDLINE]

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