Effects of Caffeine Intake on Cardiopulmonary Variables and QT Interval after a Moderate-Intensity Aerobic Exercise in Healthy Adults: A Randomized Controlled Trial

Caffeine is considered a widely consumed natural and legal psychoactive stimulant with several effects on the body. The present study attempted to investigate the effects of caffeine consumed before and after a physical exercise on cardiovascular and cardiorespiratory functions in healthy adults. 36...

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Bibliographic Details
Published in:BioMed research international 2022, Vol.2022, p.3170947-9
Main Authors: Yu, JaeHo, Lim, Jeong-Hun, Seo, Sang-Woo, Lee, DongYeop, Hong, JiHeon, Kim, JinSeop, Kim, SeongGil, Nekar, Daekook M., Kang, HyeYun
Format: Article
Language:English
Subjects:
Adenosine
Adult
Adults
Blood pressure
Blood Pressure - drug effects
Caffeine
Caffeine - pharmacology
Carbon dioxide
Carbon dioxide emissions
Cardiovascular disease
Clinical trials
Coffee
Electrocardiography
Electrodes
Emission measurements
Exercise
Experiments
Female
Heart rate
Heart Rate - drug effects
Humans
Ingestion
Male
Men
Metabolism
Metabolites
Nervous system
Oxygen consumption
Oxygen Consumption - drug effects
Parasympathetic nervous system
Physical exercise
Physical fitness
Physical training
Physiology
Recovery
Respiration
Respiratory rate
Rugby
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Summary:Caffeine is considered a widely consumed natural and legal psychoactive stimulant with several effects on the body. The present study attempted to investigate the effects of caffeine consumed before and after a physical exercise on cardiovascular and cardiorespiratory functions in healthy adults. 36 healthy adult males were recruited and randomly allocated to one of the three (3) groups: group I (exercise without caffeine consumption), group II (caffeine beverage intake before exercise), and group III (caffeine beverage intake immediately after exercise). The heart rate (HR), QTc interval, blood pressure (BP), respiratory rate (RR), oxygen consumption (VO₂), and carbon dioxide emission (VCO₂) were measured at 0, 5, 10, and 15 min after the exercise. We observed a significant difference in all measured outcomes during the different recovery times in all the groups (p
ISSN:2314-6133
2314-6141
DOI:10.1155/2022/3170947