高圧曝露後の急速減圧が血液水分に及ぼす影響

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The volume of water in the blood at the time of rapid decompression after the exposure to high pressure environment was studied using un-anesthetized dogs, and the effects of intravenous injection of a large amount of codium bicarbonate solution in high concentration before the pressure was applied were observed. The following result was obtained. (1) The water volume of the whole blood increased after the decompression and even one hour later, there was a tendency to increase. (2) The water volume of the serum increased significantly, particularly right after the decompression, and remained increased even one hour later. (3) In the instance where a solution of sodium bicarbonate in high concentration was injected before pressure was applied, no increase in the water volume of the whole blood was observed. The water volume in the serum increased slightly, which was not of significant difference. From the above experimental result, it was found that in case of rapid decompression after the exposure to high pressure, hydraemia follows. However, this can be prevented by the injection of sodium bicarbonate solution in high concentration before entering into the environment of high pressure.
社団法人日本耳鼻咽喉科学会の論文