Nystagmus in Vestibular Neuronitis:Nation-wide Epidemiological Surveys

概要

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An epidemiological survey of vestibular neuronitis was conducted in Japan with questionnaires. From 1988 through 1990 information was obtained from 531 patients in 71 hospitals.<BR>This paper describes the incidence of the different types of nystagmus in vestibular neuronitis.<BR>1) Group I consisted of 473 (89%) patients who showed direction-fixed nystagmus towards the healthy side in positional and positioning nystagmus tests. Group III consisted of 27 (5%) patients who showed vertical or direction changing nystagmus in the same tests.<BR>2) The incidences of complications and nystagmus at the last examination were higher in Group III than in Group I. Statistically significant differences weve found between the two groups.<BR>3) It was suspected that the cause of vertical or direction-changing nystagmus in vestibular neuronitis was different from the usual cause of vestibular neuronitis.
日本めまい平衡医学会の論文