A nationwide survey on definite cases of Ménière's disease was made during the period from June 20 to June 25, 1977. A questionnaire covering the number of patients experiencing difficulties in routine life was submitted to 435 Departments of Otolaryngology, Internal Medicine and Neurology of general hospitals including University Hospitals in Japan. Data obtained from 214 such departments were evaluated satistically.
(1) The proportion of definite cases of Ménière's disease in the total number of patients treated during the same period was an average of 0.88% for new patients, 0.73% for outpatients and 0.74% for inpatients.
(2) The number of patients severely disabled in their daily lives was an average of 54.7% of definite cases of Ménière's disease, and these cases were classified into five types:
A type: repeated attacks of vertigo
male 129/320 (40.3%) female 100/342 (29.2%)
B type: persistent dizziness or unsteadiness remaining after the vertiginous attacks
male 35/320 (10.9%) female 51/342 (14.9%)
C type: unilateral profound deafness
male 31/320 (9.6%) female 22/342 (6.43%)
D type: bilateral profound deafness
male 8/320 (2.50%) female 9/342 (2.63%)
E type: miscellaneous
male 18/320 (5.63%) female 4/342 (1.17%)
抄録全体を表示