Meniere病における循環障害について
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概要
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In order to diagnose the patients suffering from vertigo due to Meniere's disease, otologists generally examine the otologic functions and usually find some disturbances in the cochlear and vestibular labyrinths. But the author believes that they are incomplete. Otologists have to find the etiologic factors in the whole body which cause the dysfunction of the periphery labyrinth i.e. circulatory, autonomic, central nervous or metabolic disorders. From this standpoint, the author investigated 90 cases of labyrinthine vertigo not only by the audiometric and vestibular examinations but by the examination of the circulatory system and ob- tained following results. 1. Out of 90 cases of labyrinthine vertigo w- hich blood pressure examined, hypotension in 34, positional hypotension in 16 and hypertension in 3 were obtained. The rest 38 showed normal tension. It is of importance to have found that 16 cases which showed positional hypotension were all suffering from Meniere's disease. 2. Out of 12 cases of positional hypotension, 9 showed marked imbalance (deviation) in the vestibulospinal system, by the blindfolded vertical writing test as well as by the stepping test, simu- ltaneously with the down of blood pressure due to the change of body position. 3. After the administration of carnigen to 12 cases of positional hypotension, 8 showed marked improvement of vertigo not only subjectively but objectively by the tests above described. 4. The histories of patients pointed out fol- lowing facts; 1) The subjective sensation of vertigo was not always fixed but changed in the course of the disease. For example, the rotatory vertigo (Dre- hschwindel) changed to dizziness (Schwankschwi- ndel) and vice versa, 2) The initial attack was experienced by many patients in the night or morning when he changed the body position in bed or he got up out of bed. 3) Before the initial attack, many patients were pointed out of each unusual blood pressure.
- 社団法人 日本耳鼻咽喉科学会の論文