Key result
Acute consumption of energy drinks significantly increased heart rate variability complexity in young adults within 60 minutes, whereas coffee and cola had no significant effect.
Why the study?
High uptake of caffeinated beverages leads to cardiovascular disorders, but how acute consumption affects heart rate variability complexity parameters in young adults was unknown.
Does acute consumption of caffeinated beverages affect the complexity parameters of heart rate variability in young adults?
Does acute consumption of caffeinated beverages affect the complexity parameters of heart rate variability in young adults?
Acute consumption of energy drinks significantly alters non-linear heart rate variability parameters in young adults, whereas coffee and cola do not.
Acute energy drink intake may raise HRV complexity in young adults; leaves open arrhythmia implications and beverage differences.
Caffeinated beverages are the most consumed substances in the world. High rate of uptake of these beverages leads to various cardiovascular disorders ranging from palpitations to coronary failure. The objective of the study is to ascertain how the complexity parameters of heart rate variability are affected by acute consumption of caffeinated beverages in young adults.Electrocardiogram measurements were performed before consuming drinks. After consuming the drinks, measurements were done again at 30 minutes and 60 minutes. Heart rate variability signals were acquired from electrocardiogram signals. Also, the signals were reconstructed in the phase space and largest Lyapunov exponent, correlation dimension, approximate entropy, and detrended fluctuation analysis values were calculated.Heart rate increased for energy drink and cola groups but not in coffee group. Non-linear parameter values of energy drink, coffee, and cola group are increased within 60 minutes after drink consumption. This change is statistically significant just for energy drink group.Energy drink consumption increases the complexity of the cardiovascular system in young adults significantly. Coffee and cola consumption have no significant effect on the non-linear parameters of heart rate variability.
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Çalışkan et al. (2020) studied this question. Caffeinated beverages (energy drink, coffee, cola) vs. Baseline (before consumption) was evaluated on Complexity parameters of heart rate variability (largest Lyapunov exponent, correlation dimension, approximate entropy, and detrended fluctuation analysis). Acute consumption of energy drinks significantly increased heart rate variability complexity in young adults within 60 minutes, whereas coffee and cola had no significant effect.
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