The bulletin of the Yamaguchi Medical School
Continued by：Medical Science & Innovation
EISSN：2758-5441
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The bulletin of the Yamaguchi Medical School Volume 22 Issue 1
published_at 1975-03
Mechanical Reaction of the Labyrinth
Mechanical Reaction of the Labyrinth
Sekitani Toru
Ito Takahiro
Honjo Shoichi
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Descriptions
Air pressure of 40 and 80 mm.Hg. at 35℃ were flowed into the external auditory meatus for 30 sec. in the normal subjects and the cases with chronic suppurative otitis media. 1. In the normal subjects air pressure of 80 mm.Hg. elicited nystagmus (6.7 per cent) notwithstanding no nystagmus by 40 mm.Hg. 2. In the cases with chronic suppurative otitis media air pressure of 40 mm.Hg. elicited nystagmus (22.2 per cent) and of 80 mm.Hg. elicited nystagmus (35.9 per cent). 3. In the cases with mastdectomy nystagmus (77.8 per cent) occurred.
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PP. 63 - 70