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Non-linear analysis of heart rate variability for evaluating the acute effects of caffeinated beverages in young

Serife G Caliskan1, Mehmet D Bilgin2

  • 1Department of Physics, Science and Art Faculty, Aydın Adnan Menderes University, Aydın, Turkey.

Cardiology in the Young
|June 10, 2020
PubMed

Insights

Energy drinks significantly increase cardiovascular system complexity in young adults. Coffee and cola consumption showed no significant impact on heart rate variability complexity parameters.

Area of Science:

  • Cardiology
  • Physiology
  • Complex Systems

Background:

  • Caffeinated beverages are globally prevalent, with high consumption linked to cardiovascular issues.
  • Understanding the impact of these beverages on cardiovascular health is crucial.

Purpose of the Study:

  • To investigate the effects of acute caffeinated beverage consumption on heart rate variability complexity in young adults.
  • To analyze changes in non-linear heart rate variability parameters after consuming energy drinks, coffee, and cola.

Main Methods:

  • Electrocardiogram (ECG) recordings were taken before and at 30 and 60 minutes post-consumption.
  • Heart rate variability (HRV) signals were extracted from ECG data.
  • Phase space reconstruction was performed, calculating largest Lyapunov exponent, correlation dimension, approximate entropy, and detrended fluctuation analysis.

Main Results:

  • Heart rate increased in energy drink and cola groups, but not in the coffee group.
  • Non-linear HRV parameters increased in all groups within 60 minutes.
  • Only the energy drink group exhibited a statistically significant increase in non-linear HRV parameters.

Conclusions:

  • Energy drink consumption significantly elevates cardiovascular system complexity in young adults.
  • Coffee and cola consumption do not demonstrate a significant effect on the non-linear parameters of heart rate variability.

Keywords:
Energy drinkcoffeecolaelectrocardiogramheart rate variabilitynon-linear analysis

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