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ORIGINAL ARTICLE EXERCISE PHYSIOLOGY AND BIOMECHANICS
The Journal of Sports Medicine and Physical Fitness 2022 December;62(12):1600-4
DOI: 10.23736/S0022-4707.22.13363-3
Copyright © 2022 EDIZIONI MINERVA MEDICA
language: English
Beneficial effects of mild hyperbaric oxygen exposure on microcirculation in peripheral tissues in healthy subjects: a pilot study
Badur U. NISA, Takumi HIRABAYASHI, Noriaki MAESHIGE, Hiroyo KONDO, Hidemi FUJINO ✉
Graduate School of Health Sciences, Department of Rehabilitation Sciences, Kobe University, Kobe, Japan
BACKGROUND: Exposure to mild hyperbaric oxygen (HBO) increases blood oxygenation by dissolving oxygen into blood plasma and increased oxygen bound to hemoglobin in red blood cells. This research is an attempt to provide insight into the responses of exposure to mild HBO on microcirculation in peripheral tissues.
METHODS: Fifteen healthy individuals were exposed to normobaric oxygen (1.00 ATA, 20.9% oxygen, NBO) and mild HBO (1.4 ATA, 35-39.5% oxygen) in a mild HBO chamber for 70 minutes under each condition. Peripheral oxygen saturation (SpO
RESULTS: The value of SpO
CONCLUSIONS: These results indicate that exposure to mild HBO increases blood flow in the capillaries of peripheral tissues by regulating parasympathetic nerve activities through increasing oxygen delivery, oxygen bound to hemoglobin in red blood cells and dissolved oxygen content in plasma.
KEY WORDS: Hyperbaric Oxygenation; Blood circulation; Microcirculation; Oxygen saturation