Why the study?
Does intravenous cold saline infusion compared to ice packs or fan cooling alter heart rate variability in healthy men with exercise-induced hyperthermia?
Does intravenous cold saline infusion compared to ice packs or fan cooling alter heart rate variability in healthy men with exercise-induced hyperthermia?
Intravenous cold saline infusion for exercise-induced hyperthermia results in altered sympathovagal balance with reduced vagal and/or increased sympathetic modulation compared to external cooling methods.
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External cooling may better preserve HRV than IV saline in exercise hyperthermia; extends RCT evidence on modality-specific autonomic effects.
Leicht et al. (2009) studied this question.
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