A Study on Impact of Alcohol among Young Indian Population Using Hrv Analysis

نویسنده

  • D Mahesh Kumar
چکیده

Heart Rate Variability (HRV) is the measure of time difference between two successive heart beats and its variation occurring due to internal and external stimulation causes. HRV is a non-invasive tool for indirect investigation of both cardiac and autonomic system function in both healthy and diseased condition. It has been speculated that HRV analysis by nonlinear method might bring potentially useful prognosis information into light which will be helpful for assessment of cardiac condition. In this study, HRV from two types of data sets are analyzed which are collected from different subjects in the age group of 18 to 22. Then parameters of linear methods and three nonlinear methods, approximate entropy (ApEn), detrended fluctuation analysis (DFA) and Poincare plot have been applied to analyze HRV among 158 subjects of which 79 are control study and 79 are alcoholics. It has been clearly shown that the linear and nonlinear parameters obtained from these two methods reflect the opposite heart condition of the two types of data under study among alcoholics non-alcoholic’s by HRV measures. Poincare plot clearly distinguishes between the alcoholics by analysing the location of points in the ellipse of the Poincare plot. In alcoholics the points of the Poincare plot will be concentrated at the centre of the ellipse and in nonalchoholics the points will be much concentrated along the periphery of the ellipse. The Approximate Entropy value will be lesser than one in alcoholics and in nonalcoholics the entropy shows values greater than one. The increased LF/HF value in alcoholics denotes the increase in sympathetic nervous system activities and decrease of the parasympathetic activity which will be lesser in alcoholics subjects.

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تاریخ انتشار 2014