The Effects of Cold Exposure (Cold Water Immersion, Whole- and Partial- Body Cryostimulation) on Cardiovascular and Cardiac Autonomic Control Responses in Healthy Individuals: A Systematic Review, Meta-Analysis and Meta-Regression. - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Thermal Biology Année : 2024

The Effects of Cold Exposure (Cold Water Immersion, Whole- and Partial- Body Cryostimulation) on Cardiovascular and Cardiac Autonomic Control Responses in Healthy Individuals: A Systematic Review, Meta-Analysis and Meta-Regression.

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Background: Cryostimulation and cold-water immersion (CWI) have recently gained widespread attention due to their association with changes in cardiovascular and cardiac autonomic control responses. Therefore, the aim of the present systematic review and meta-analysis was to identify the global impact of such cold exposures on cardiovascular and cardiac autonomic activity. Methods: Three databases (PubMed, Embase, Web-of-Science) were used. Studies were eligible for inclusion if they were conducted on healthy participants using cryostimulation and/or CWI. The outcomes included measurements of blood pressure (BP), heart rate (HR), and heart rate variability (HRV) indices: RR interval (RR), Root mean square of successive RR interval differences (RMSSD), low frequency band (LF), high frequency band (HF), and LF/HF ratio. Results: Among the 27 articles included in our systematic literature review, only 24 were incorporated into the meta-analysis. Our results reveal a significant increase in HRV indices: RMSSD (Standardized mean difference (SMD) = 0.61, p<0.001), RR (SMD = 0.77, p<0.001), and HF (SMD = 0.46, p<0.001), as well as significantly reduced LF (SMD = -0.41, p<0.001) and LF/HF ratio (SMD = -0.25, p<0.01), which persisted up to 15 minutes following cold exposure. Significantly decreased heart rate (SMD = -0.16, p<0.05), accompanied by slightly increased mean BP (SMD = 0.28, p<0.001), was also observed. These results seem to depend on individual characteristics and the cooling techniques. Conclusion: Our meta-analysis suggests that cryostimulation and/or CWI exposure enhance parasympathetic nervous activity. There is scarce scientific literature regarding the effect of individual characteristics on cold-induced physiological responses.
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hal-04554821 , version 1 (22-04-2024)

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Hela Jdidi, Benoit Dugué, Claire de Bisschop, Olivier Dupuy, Wafa Douzi. The Effects of Cold Exposure (Cold Water Immersion, Whole- and Partial- Body Cryostimulation) on Cardiovascular and Cardiac Autonomic Control Responses in Healthy Individuals: A Systematic Review, Meta-Analysis and Meta-Regression.. Journal of Thermal Biology, 2024, pp.103857. ⟨10.1016/j.jtherbio.2024.103857⟩. ⟨hal-04554821⟩
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