Key result
Ramadan fasting significantly decreased heart rate variability, including SDNN (115 vs 143, p=0.002), and altered sympathovagal balance in patients with essential hypertension.
Why the study?
Although about a fifth of the world population fasts, there is a lack of data on the effect of this ritual on the autonomic nervous system in essential hypertension.
Does Ramadan fasting alter sympathovagal balance and heart rate variability in patients with essential hypertension?
Cohort (n=16)
No
Does Ramadan fasting alter sympathovagal balance and heart rate variability in patients with essential hypertension?
Absolute Event Rate: 115% vs 143%
p-value: p=0.002
Ramadan fasting in patients with essential hypertension is associated with a significant decrease in heart rate variability and alterations in sympathovagal balance.
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.
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Elkhadir Amine (2020) conducted a cohort in Essential hypertension (n=16). Ramadan fasting vs. After Ramadan (non-fasting period) was evaluated on Standard Deviation of all NN intervals (SDNN) (p=0.002). Ramadan fasting significantly decreased heart rate variability, including SDNN (115 vs 143, p=0.002), and altered sympathovagal balance in patients with essential hypertension.
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