高温作業現場での水分補給効果

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  • 山田 誠二
    産業医科大学産業生態科学研究所応用生理学教室

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タイトル別名
  • Replacement of fluid lost due to sweating in a hot working-environment.
  • コウオン サギョウ ゲンバ デ ノ スイブン ホキュウ コウカ

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抄録

Replacement of fluid lost due to sweating in a hot working-environment was determined by measuring the body weight of 14 workers (53.6±7.1 years old) 5 times during a working day. They were engaged in repairing and/or maintaining blast furnaces in an environment of 27.9-42.6°C in WBGT. The amount of fluid consumption from a free intake of either green tea and tap water or green tea, tap water and glucose-electrolyte solution (Pocari, Otsuka Pharmaceutical Co., referred to as G-E solution) was compared. The body weight loss during work was 1.70±0.70 kg when free intake of fluids plus G-E solution was allowed, while it was 1.60±0.65 kg when G-E solution was not allowed. Fluid intake with G-E solution was 1.03±0.35 l, and they could rehydrate 61%. Without the G-E solution fluid, was 0.75±0.37 l (47% rehydration). Fluid intake with G-E solution was significantly (p<0.05) larger than that without it. The body weight difference between pre -ad post-work was significant (p<0.001), i.e., it was 0.26±0.52 kg while drinking G-E solution and 0.52±0.53 kg without it. These results suggest that restoration of body fluid after thermal dehydration takes place much faster when consuming G-E solution.

収録刊行物

  • 産業医学

    産業医学 34 (5), 468-471, 1992

    社団法人 日本産業衛生学会

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