The Impact of Fasting on Sympathovagal Balance in Patients with Essential Hypertension

Abstract

The exploration of the sympathetic and vagal components of the Autonomic Nervous System (ANS) is then of great importance in the evaluation of essential hypertension, explorations tests of the Sympathovagal balance and Heart Rate Variability (HRV) is a non-invasive method used to assess the ANS, Although about a fifth of the world population is compelled to fasting, there is a lack of data on the effect of this ritual on ANS, the purpose of this work is to study the cardiovascular autonomic profile of the essential hypertensive patients by comparing HRV and the Autonomic tests included Deep-Breathing (DB) and Hand-Grip (HG) during and after RAMADAN.