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Article

Effect of Water Amount Intake before Scuba Diving on the Risk of Decompression Sickness

1
Department of Physical Education, Chungnam National University, Daejeon 34134, Korea
2
Department of Leisure and Marine Sports, Hanseo University, Seosan 31962, Korea
*
Authors to whom correspondence should be addressed.
Academic Editors: Andrea Guazzini, Laura Rasero and Mirko Duradoni
Int. J. Environ. Res. Public Health 2021, 18(14), 7601; https://doi.org/10.3390/ijerph18147601
Received: 17 June 2021 / Revised: 9 July 2021 / Accepted: 15 July 2021 / Published: 16 July 2021
(This article belongs to the Special Issue Human Health Dynamics in the Mobile and Big Data Era)
Background and objective: The aim of this study was to investigate the influence of pre-hydration levels on circulating bubble formation for scuba divers and to evaluate the appropriate volume of water intake for reducing the risk of decompression sickness (DCS). Materials and Methods: Twenty scuba divers were classified into four groups according to the volume of water taken in before scuba diving as follows: no-water-intake group (NWIG), 30%-water-intake group (30WIG), 50%-water intake group (50WIG), and 100%-water-intake group (100WIG). We measured the circulating bubbles using movement status by Doppler on the right and left subclavian veins and precordial regions at pre-dive, post-dive, and 30 min after diving to a depth of 30 m for a duration of 25 min at the bottom. Results: Participants belonging to the 30WIG showed the lowest frequency, percentage, and amplitude of bubbles and consequently the lowest bubble grade in the left and right subclavian veins and precordial region at post-time and 30 min after diving. Conclusions: It can be inferred that pre-hydration with 30% of the recommended daily water intake before scuba diving effectively suppressed the formation of bubbles after diving and decreased the risk of DCS. View Full-Text
Keywords: scuba diving; water intake; decompression sickness; bubble scuba diving; water intake; decompression sickness; bubble
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MDPI and ACS Style

Han, K.-H.; Hyun, G.-S.; Jee, Y.-S.; Park, J.-M. Effect of Water Amount Intake before Scuba Diving on the Risk of Decompression Sickness. Int. J. Environ. Res. Public Health 2021, 18, 7601. https://doi.org/10.3390/ijerph18147601

AMA Style

Han K-H, Hyun G-S, Jee Y-S, Park J-M. Effect of Water Amount Intake before Scuba Diving on the Risk of Decompression Sickness. International Journal of Environmental Research and Public Health. 2021; 18(14):7601. https://doi.org/10.3390/ijerph18147601

Chicago/Turabian Style

Han, Kil-Hyung, Gwang-Suk Hyun, Yong-Seok Jee, and Jung-Min Park. 2021. "Effect of Water Amount Intake before Scuba Diving on the Risk of Decompression Sickness" International Journal of Environmental Research and Public Health 18, no. 14: 7601. https://doi.org/10.3390/ijerph18147601

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