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Korean Journal of Otorhinolaryngology-Head and Neck Surgery > Volume 33(3); 1990 > Article
Korean Journal of Otorhinolaryngology-Head and Neck Surgery 1990;33(3): 461-5.
A Clinical Study of Benign Paroxysmal Positional Vertigo
Chang Il Cha, MD, Jae Min Lee, MD, Nam Pyo Hong, MD, and Hwoe Young Ahn, MD
Department of Otolaryngology, College of Medicine, Kyung Hee University, Korea
양성발작성 두위현훈증의 임상적 고찰
차창일 · 이재민 · 홍남표 · 안회영
경희대학교 의과대학 이비인후과학교실
ABSTRACT

Thirty four patients of BPPV treated at Kyung Hee Medical Center from Feb. 1987 to Apr. 1989 were analyzed on detailed clinical and electronystagmographic finding. The following results were obtained ; 1) Women were afflicted more than men with the ratio of 2 : 1(23 women : 11 men) By age distribution, most of the patients(18 cases, 53%) were from 6th to 7th decade. 2) BPPV occurred on awaking in the morning in 9 cases(26.5%), changing head position in 6 cases(17.6%), during sleep in 6 cases(17.6%), specific head position in 4 cases(11.8%), and erect & lying down in 2 cases(6%) respectively. 3) Among the 34 patients, 21 cases(61.7%) felt rotating sense, 3 cases experienced floating sense. In the continuity with the provocative head position, there were 6 cases(18.6%) which showed decreased vertigo & nystagmus. 4) Accompanied symptoms during the vertigo were nausea in 10 cases(29.4%), vomiting in 8 cases(23.5%), headache in 4 cases(11.8%), and tinnitus in 3 cases(9%) in order. 5) Etiologic conditions were unknown in 32 cases(94%), but middle ear mastoid infection were observed in 2 cases(6%). 6) Preceding or simultaneous diseases were seen in 10 cases as follows : hypertension(4 cases), pulmonary tuberculosis(2 cases), otitis media(2 cases), angina pectoris(1 case), and hyperthyroidism(1 case). 7) Hearing loss was present in 7 cases(20.6%), being bilateral SNHL in 6 cases and moderate conductive HL in 1 case. 8) Direction-fixed positional nystagmus was demonstrated in 22 cases(64.7%) during the period of vertigo. Simultaneous caloric test showed bilateral normal response in 32 cases and unilateral depressed response in 2 cases. 9) In all cases, the findings of tympanic membrane and ABR were normal.

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