The relationship between visfatin and HOMA-IR in hypertensive patients, and the effect of antihypertensive drugs on visfatin and HOMA-IR in hypertensive patients with insulin resistance |
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Authors: | Lan Jianjun Chen Xiaoni Chen Xiaoping Wang Si Zhang Xin Wu Kai He Sen Peng Yong Jiang Lingyun Li Longxin Wan Liyan |
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Institution: | a Department of Cardiology, West China Hospital, Sichuan University, Chengdu 610041, China b Department of Internal Medicine, West China Hospital, Sichuan University, Chengdu 610041, China |
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Abstract: | ObjectiveTo investigate the correlation between serum visfatin and insulin resistance (IR) in non-diabetic essential hypertensive (EH) patients with and without IR, and to evaluate the effect of antihypertensive treatment on serum visfatin and IR in these patients.MethodsA total of 81 non-diabetic EH patients, including 54 with IR and 27 without IR, were enrolled. After two weeks wash-out, patients with IR were randomly assigned to telmisartan (group T) or amlodipine (group A) for 6 months. Blood samples were taken before and after treatment for measurement of routine biochemical parameters, visfatin and insulin resistance (measured by HOMA-IR).ResultsVisfatin was independently correlated with HOMA-IR (r = 0.845, P = 0.000). After 6 months of treatment, both drugs lowered HOMA-IR, more significantly so in group T than group A (P = 0.010). Serum visfatin levels increased in group T but decreased in group A.ConclusionSerum visfatin levels were higher in non-diabetic EH patients with IR compared with those without IR. Visfatin is independently correlated with HOMA-IR. Telmisartan lowers HOMA-IR to a greater extent than amlodipine. Interestingly, serum visfatin increased with telmisartan yet decreased with amlodipine treatment. |
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Keywords: | Visfatin Insulin resistance Nondiabetic essential hypertension Telmisartan Amlodipine |
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