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  • Title: Gender differences in short-term effects of atorvastatin on lipid profile, fibrinolytic parameters, and endothelial function.
    Author: Sakabe K, Fukuda N, Fukuda Y, Wakayama K, Nada T, Morishita S, Shinohara H, Tamura Y.
    Journal: Nutr Metab Cardiovasc Dis; 2008 Mar; 18(3):182-8. PubMed ID: 17399968.
    Abstract:
    BACKGROUND AND AIM: Little is known about the impact of gender on short-term effects of atorvastatin. We investigated the gender differences in the short-term lipid-lowering and pleiotropic effects of atorvastatin therapy. METHODS AND RESULTS: Seventy-two consecutive patients including 48 women with primary hypercholesterolemia, were assigned prospectively to treatment with atorvastatin (10mg/day) for 3 months. We measured fasting lipid concentrations, thiobarbituric acid reactive substances (TBARS) as marker of lipid peroxide, fibrinolytic parameters, and endothelial function by flow-mediated vasodilation of the brachial artery (FMD), at baseline and after 3 months of therapy. We assessed the impact of gender on temporal differences in these parameters. In men, atorvastatin decreased total, low-density lipoprotein (LDL), and small, dense LDL-cholesterol concentrations, and increased FMD after 3 months. In women, atorvastatin decreased TBARS, triglyceride, and total, LDL, small, dense LDL, and remnant-like lipoprotein particle-cholesterol concentrations, and increased FMD after 3 months. Fibrinolytic parameters did not change significantly in either men or women. With respect to the percent change in those parameters after 3 months, TBARS (-17.6+/-12.4 vs. -0.4+/-18.8%, p<0.01) and small, dense LDL-cholesterol (-96.7+/-8.3 vs. -68.6+/-29.7%, p<0.01) decreased to a greater degree in women, although the relative changes in other parameters were similar between men and women. CONCLUSIONS: We found gender differences in some of the lipid altering changes, including TBARS and small, dense LDL-cholesterol concentrations, after short-term atorvastatin therapy, which were greater in women. However, short-term atorvastatin therapy may be beneficial in improving endothelial function equally in both men and women.
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