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Effect of add-on aliskiren to type 1 angiotensin receptor blocker therapy on endothelial function and autonomic nervous system in hypertensive patients with ischemic heart disease.

Author(s): Ozeki A(1), Amiya E, Watanabe M, Hosoya Y, Takata M, Watanabe A, Kawarasaki S, Nakao T, Watanabe S, Omori K, Yamada N, Tahara Y, Hirata Y, Nagai R.

Affiliation(s): Author information: (1)Department of Cardiovascular Medicine, Graduate School of Medicine, the University of Tokyo, Tokyo, Japan.

Publication date & source: 2014, J Clin Hypertens (Greenwich). , 16(8):591-8

The aim of this study was to evaluate the add-on effect of aliskiren to valsartan on endothelial-dependent vasodilation in hypertensive patients with ischemic heart disease (IHD). After 4 weeks of treatment with 80 mg of valsartan, 28 patients were allocated to either continued treatment with valsartan or an add-on treatment with valsartan plus 150 mg of aliskiren. Aliskiren significantly decreased plasma renin activity, whereas endothelium-dependent vasodilation measured by flow-mediated dilation (FMD) did not change. In contrast, heart rate significantly decreased (73.1 ± 9.8 to 66.3 ± 7.0 beats per minute at baseline and 24 weeks, respectively [P = .009]) and the standard deviation of the R-R intervals (SDNN) significantly increased in the aliskiren group. The add-on aliskiren to valsartan therapy may not improve endothelial functions, although it significantly reduced resting heart rate via regulation of the autonomic nervous system in hypertensive patients with IHD.

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