Key result
Humid simulated dives are linked to increased sympathetic dominance and reduced parasympathetic activity versus dry conditions.
Why the study?
Diving can have significant cardiovascular effects and increase cardiac health risks, prompting investigation into autonomic nervous system responses and the effects of humid environments during simulated hyperbaric dives.
Does a humid environment alter autonomic nervous system responses compared to dry conditions in healthy individuals during simulated hyperbaric dives?
Population
Healthy individuals
Comparison
Simulated immersions under dry vs humid conditions
Authors
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Humidity may shift ANS balance in hyperbaric settings; leaves open validation in clinical diving populations.
Observational
Does a humid environment alter autonomic nervous system responses compared to dry conditions in healthy individuals during simulated hyperbaric dives?
Humidity during simulated hyperbaric dives significantly alters autonomic nervous system responses by increasing sympathetic dominance, suggesting HRV indices could be used to monitor diver safety.
Sánchez et al. (2023) conducted an observational in Healthy individuals. Humid conditions vs. Dry conditions was evaluated on Autonomic nervous system (ANS) responses (HRV indices). Humid conditions during simulated dives significantly reduced parasympathetic activity and increased sympathetic dominance compared to dry conditions.
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