前庭神経炎の全国疫学調査 : 調査結果と調査・集計上の問題点

概要

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An epidemiological survey of vestibular neuronitis was conducted in Japan with questionnaires. From 1988 through 1990 531 patients in 71 hospitals collected. The results were as follows.<BR>1) There was little difference in the number of patients in each of the three years. The incidence of vestibular nouronictis was a little higher in males than in females.<BR>2) The average age at onset was 44 years for males and 46 years for females.<BR>This study has shown the need to discuss the following three points in detail : 1) diagnostic criteria, especially regarding recurrent attacks of vertigo, 2) the advisable diagnostic level of canal paresis, and 3) the advisable length of clinical observation.<BR>A further problem is to unify the diagnostic criteria used in Japan with those used in other countries.