The use of atorvastatin in patients with nonischemic HF improves LVEF and attenuates adverse LV remodeling. The effects on soluble levels of several inflammatory markers with atorvastatin suggest, in part, mechanisms by which statins might exert their beneficial effects in nonischemic HF.

Background-The metabolic syndrome is associated with increased angiotensin II activity, induction of a proinflammatory and oxidative state, and endothelial dysfunction. We evaluated the ability of irbesartan, an angiotensin receptor blocker, and lipoic acid, an antioxidant, to affect endothelial function and inflammation in patients with the metabolic syndrome. Methods and Results-We randomized 58 subjects with the metabolic syndrome in a double-blinded manner to irbesartan 150 mg/d (nϭ14), lipoic acid 300 mg/d (nϭ15), both irbesartan and lipoic acid (nϭ15), or matching placebo (nϭ14) for 4 weeks. Endothelium-dependent and -independent flow-mediated vasodilation was determined under standard conditions. Plasma levels of interleukin-6, plasminogen activator-1, and 8-isoprostane were measured. After 4 weeks of therapy, endothelium-dependent flow-mediated vasodilation of the brachial artery was increased by 67%, 44%, and 75% in the irbesartan, lipoic acid, and irbesartan plus lipoic acid groups, respectively, compared with the placebo group. Treatment with irbesartan and/or lipoic acid was associated with statistically significant reductions in plasma levels of interleukin-6 and plasminogen activator-1. In addition, treatment with irbesartan or irbesartan plus lipoic acid decreased 8-isoprostane levels. No significant changes in blood pressure were noted in any of the study groups. Conclusions-Administration

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