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Effects of Statin Therapy on Endothelial Function in Asymptomatic Metabolic Syndrome

Effects of Statin Therapy on Endothelial Function in Asymptomatic Metabolic Syndrome
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摘要 Context: Endothelial dysfunction is an early predictor of adverse cardiovascular events. The present study evaluated asymptomatic metabolic syndrome (MS) patients with brachial artery endothelial dysfunction to determine whether a reversal of endothelial dysfunction occurs with statin treatment. Aim: To evaluate the short term effects of statins on endothelial function in asymptomatic metabolic syndrome patients. Methodology: This was a prospective, single centre, case-control study. We evaluated 50 recently diagnosed newly detected asymptomatic MS patients who underwent an assessment of endothelial function by brachial artery flow-mediated dilation (FMD) before and after treatment with 40 mg atorvastatin for one week. Results: A total of 50 MS patients, including 36 (62%) females and 14 (38%) males, were included in the study. The mean age of the patients was 49.70 ± 8.84 y. We identified a significant difference between cases and age- and sex-matched controls regarding baseline brachial artery FMD% (6.73 ± 2.55 vs. 11.03 ± 1.85, respectively;p < 0.001). Significant negative correlations were detected between FMD% and HDL-cholesterol (r = -0.34, p = 0.01), fasting blood sugar (r = -0.40, p = 0.004), and systolic blood pressure (r = -0.34, p = 0.015). Multiple linear regression analysis indicated that HDL-cholesterol was an independently associated factor for FMD. MS patients treated with 40 mg atorvastatin for one week showed a significant improvement in brachial artery FMD% (6.73 ± 2.55 before treatment vs. 10.19 ± 3.01 after treatment, p < 0.001). Conclusions: MS is associated with endothelial dysfunction and decreased brachial artery FMD compared with controls. Statin treatment for one week significantly improved brachial artery endothelial function in MS patients. Context: Endothelial dysfunction is an early predictor of adverse cardiovascular events. The present study evaluated asymptomatic metabolic syndrome (MS) patients with brachial artery endothelial dysfunction to determine whether a reversal of endothelial dysfunction occurs with statin treatment. Aim: To evaluate the short term effects of statins on endothelial function in asymptomatic metabolic syndrome patients. Methodology: This was a prospective, single centre, case-control study. We evaluated 50 recently diagnosed newly detected asymptomatic MS patients who underwent an assessment of endothelial function by brachial artery flow-mediated dilation (FMD) before and after treatment with 40 mg atorvastatin for one week. Results: A total of 50 MS patients, including 36 (62%) females and 14 (38%) males, were included in the study. The mean age of the patients was 49.70 ± 8.84 y. We identified a significant difference between cases and age- and sex-matched controls regarding baseline brachial artery FMD% (6.73 ± 2.55 vs. 11.03 ± 1.85, respectively;p < 0.001). Significant negative correlations were detected between FMD% and HDL-cholesterol (r = -0.34, p = 0.01), fasting blood sugar (r = -0.40, p = 0.004), and systolic blood pressure (r = -0.34, p = 0.015). Multiple linear regression analysis indicated that HDL-cholesterol was an independently associated factor for FMD. MS patients treated with 40 mg atorvastatin for one week showed a significant improvement in brachial artery FMD% (6.73 ± 2.55 before treatment vs. 10.19 ± 3.01 after treatment, p < 0.001). Conclusions: MS is associated with endothelial dysfunction and decreased brachial artery FMD compared with controls. Statin treatment for one week significantly improved brachial artery endothelial function in MS patients.
出处 《International Journal of Clinical Medicine》 2014年第4期149-156,共8页 临床医学国际期刊(英文)
关键词 Metabolic Syndrome ENDOTHELIAL Dysfunction Flow-Mediated DILATION BRACHIAL Artery STATIN Metabolic Syndrome Endothelial Dysfunction Flow-Mediated Dilation Brachial Artery Statin

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