ArticleEuropean journal of applied physiology2025
Impact of normobaric hyperoxia on finger vasomotor and thermoperceptual responses to local cold in normothermic and mildly hypothermic individuals.
Article in European journal of applied physiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
aimTo evaluate whether a sustained period of normobaric O
methodsEight healthy men performed a 30-min normoxic and hyperoxic (100% O
resultsDuring the normothermic trial, hyperoxia augmented the cold-induced drop in finger temperature, and attenuated the rewarming (P = 0.03). Hyperoxia also enhanced the sensation of pain (P = 0.04). During the hypothermic trial, hyperoxia did not modify finger temperature, circulatory and perceptual responses to cold (P > 0.05).
conclusionIn normothermia, hyperoxia aggravates finger cold-induced vasoconstriction and pain sensation. In mild hypothermia, however, any hyperoxia-evoked influence on finger vasomotion and thermonociception is overridden by the generalised vasoconstriction and thermal discomfort instigated by whole-body cooling.
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