Abstract
To investigate the effect of transcutaneous electrical nerve stimulation (TENS) on the arterial stiffness in healthy young adult and middle-aged men using the augmentation index (AI-x) and hemodynamic measures. Twenty-four men (12 aged 27·25±5·53years and 12 aged 54·83±5·10years) were randomly allocated to two subgroups: TENS or placebo in ganglion region for 45min. The AI-x and hemodynamic measures [late systolic blood pressure (SBP), central blood pressure (CBP), difference between P1 and P2 (ΔP) and tension time index (TTI)] were determined before and after protocols. TENS resulted in reduction of SBP in younger adults (TENSpre: 111±2; post: 105±2·2mm Hg; PLACEBOpre: 113±1·8; post: 114±2·5mm Hg; GEE, P<0·01), whereas no difference was found in middle-aged group. TENS also resulted in reduction of AI-x younger adults group (TENSpre: 56±2·8; post: 53±2%; PLACEBOpre: 55±3; post: 58±2·5%; GEE, P<0·01). ΔP and TTI were significantly decreased after the application of TENS in both groups, but significantly greater reductions in TTI and the SBP/CBP ratio were found in the group of younger adults. The acute application of ganglion TENS attenuated arterial stiffness in younger adults as well as hemodynamic measures in the middle-aged group. This method could emerge as effective therapy for the management of arterial blood pressure.
Published Version
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