県医師会調査および当科受診症例による富山県のメニエール病疫学調査結果

概要

論文の詳細を見る
The characteristics of Menieres disease (M.D.) in Toyama Prefecture were investigated by a survey of the Medical Association of Toyama Prefecture, survey A, and by a survey of our department, survey B. In survey A, the name, address, sex and onset age of M.D. patients were recorded from 1974 for 3 or 4 year intervals in all hospitals in Toyama prefecture. In survey B, 277 definite M.D. patients treated in our department were investigated epidemiologi-cally. In survey B, the accuracy of diagnosis of M.D. in survey A was included. From the results of survey A, the incidence of M.D. in Toyama prefecture was almost constant in every survey : about 17 per 100, 000. However, as some suspected M.D. patients or those with vertigo without inner ear disorders were included in survey A, the incidence of definite M.D. might be lower than that reported in survey A.<BR>In survey A, females with M.D. were significantly more numerous than males in every survey. The sex ratio of M.D. in nation-wide survey was almost even in the 1st survey, 1975-76, however, became female predominant in the 2 nd and 3 rd survey. Therefore, the sex ratio of M.D. in Toyama 10 years ago was different from that reported in the nation-wide survey.<BR>In survey B, M.D. was diagnosed in about 5% of all vertigo disease with no difference between rural and urban area in Toyama.<BR>In survey B, first attacks of M.D. occurred more often in winter than in other seasons.