加速回転刺戟の血液水分に及ぼす影響
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概要
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The effect of labyrinthine stimulation by accelerated rotation on the water content of the blood was studied in the dogs and the rabbits by means of rotatoric acceleration apparatus specially designed by Prof.T.Hasegawa. The results were as follows: 1.In normal dogs, decrease of the water content of the the blood was observed after the rotation for 15, 30 and 60 minutes.The decrease was most remarkable in 60 minutes group. 2.In dogs with bilateral labyrinthectomy, decrease of the wather content of the blood was not observed after 15 and 30 min.rotation.The water contents of the blood decreased slightly after 60 min.rotation, but it returned to normal quickly. 3.In normal dogs to which 7% sodium bicarbonate had been injected, the change- in in the water content of the blood was asmost the same as in labyrinthectomized dogs, however the change was mild than that of labyrinthectomized dogs. 4.In normal dogs to which atropin injection had heen given, the water content of the blood decreased after the stimulation. 5.In dogs anesthetized by Evipan-Natrium, the water content decreased temporariy after the stimulation and then it increased. 6.In summer, the change of water content of blood was remarkable and it was, mild in autumn. These results prove that decrese of water content of blood observed when the laby- rinth is stimulated by accelerated rotation, is due to sympathicotonic disturbance, and; this is prevented by intravenous injection of 7% sodium bicarbonate solution.
- 社団法人 日本耳鼻咽喉科学会の論文