[abstract] EVALUATION OF FATIGUE UNDER AIR AND TRIMIXED COMPRESSED AIR WORK

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[abstract] EVALUATION OF FATIGUE UNDER AIR AND TRIMIXED COMPRESSED AIR WORK

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Title: [abstract] EVALUATION OF FATIGUE UNDER AIR AND TRIMIXED COMPRESSED AIR WORK
Author: Mano, Y; Yamami, N; Hatano, M; Shibayama, M; Kasai, S; Ishii, M; Kawashima, M
Abstract: BACKGROUND: Compressed air work by Caisson has been carried in Japan since 1902, however there are no detail data about laborers' fatigue. So, fatigue tests by Jpn Society of Industrial Health and the Cumulative Fatigue Symptom Index (CFSI) by Kosugoh had been repeated for 6 months in 1995. This is the first trial to analyze the compressed air workers in Japan. METHODS: Caisson work had been carried until 4.85 ATA in 1995. They used air until 4 ATA. Then, they used tri-mixed gas after that. All of them, including outside workers, had been tested, i.e. 21 caisson group and 15 outside. The test of the Society had been done three times per day during the last week per months, and CFSI at the last day in each month. RESULTS: The incidence of mental and physical fatigues of air breathing caisson group was the highest and that of the same people but the tri-mixed gas breathing group was the lowest among the both inside and outside laborers at the field. (p less than 0.01) CONCLUSION: High contents of oxygen and the helium included into breathing gas would decrease the fatigues by high pressure stress during caisson work and also decrease nitrogen narcosis over than 4 ATA pressure work.
Description: Undersea and Hyperbaric Medical Society, Inc. (http://www.uhms.org )
URI: http://archive.rubicon-foundation.org/701
Date: 1998

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  • UHMS Meeting Abstracts
    This is a collection of the published abstracts from the Undersea and Hyperbaric Medical Society (UHMS) annual meetings.

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