原因不明の一側および両側感音難聴をもっためまい反復症例の検討 (メニエ-ル病の研究-5-<特集>)

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The records of 22 patients with unilateral or bilateral sensorineural hearing loss of unknown etiology who had recurrent vertigo and were seen at Sapporo General Hospital between 1974 and 1979 were studied. As a result, they were classified in following four groups:The first group included patients with recurrent vertigo with fluctuating hearing loss and tinnitus, and the causes of vertigo or deafness were attributed to abnormality of the vestibular aqueduct or endolymphatic sac, measles virus and otitis media. In two patients with endolymphatic hydrops caused by otitis media, progressive hydrops (Shuknecht, 1976) was demonstrated by the glycerol test and by clinical findings. (Paparella. 1979)The second group included patients of recurrent vertigo without fluctuating hearing loss and tinnitus, and the etiology of vertigo or deafness was sepeculated to be associated with virus related mumps.The third group included two patients with endolymphatic hydrops as demonstrated by the glycerol test after sudden sensorineural deafness and vestibular paralysis, the etiology of which was presumed to be vasular lesions, those similar to vertigo of delayed onset after sudden deafness (Nadol, 1975), but in some patients were considered to be caused by viral infection. We observed one patient after sudden sensorineural imparment and vestibular disorders who had recurrent attacks of vertigo with fluctuating hearing loss and and tinnitus, in relation to an allergic disposition.
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原因不明の一側および両側感音難聴をもっためまい反復症例の検討 (メニエ-ル病の研究-5-<特集>)

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