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Research in Vestibular Science > Volume 14(3); 2015 > Article
Research in Vestibular Science 2015;14(3): 87-92.
초기 안진검사에서 정상 소견을 보인 두위변환현훈에 대한 임상 분석
이규호, 박지훈, 이형민, 류성훈, 박수경, 장지원
한림대학교 강남성심병원 이비인후-두경부외과
Clinical Analysis of Positional Vertigo without Nystagmus at Initial Examinations
Kyu Ho Lee, Jihun Park, Hyung Min Lee, Sung Hoon Ryu, Su Kyoung Park, Jiwon Chang
Department of Otorhinolarynogloy Head and Neck Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea. brune77@naver.com
Objective:   Patients with benign paroxysmal positional vertigo (BPPV) visit clinics with typical position evoked vertigo. However, typical nystagmus are concealed according to many factors We evaluated the demographic, clinical and nystagmographic features of patients, who visited clinics with typical BPPV symptoms but did not have positional test evoked nystagmus.
Method:   Among 306 patients with history of positional vertigo, we excluded 252 patients who had positional test evoked nystagmus on video Frenzel glass in clinics, and analyzed 54 patients who did not have positional test evoked nystagmus. We divided 54 patients into two groups; patients without subjective vertigo in positional test and patients with subjective vertigo in positional test. We analyzed the serial nystagmographic findings, causes, duration of disease, previous history of medical or rehabilitation treatments, coexisting vestbular disorders, recovery time and recurrence.
Results:   Etiology, history of previous treatment, coexisting vestibular disorders and recurrence did not differ statistically in both groups. However, the nystagmographic features were significantly different in both groups.
Conclusion:   When patient has positional test evoked vertigo, repeated positional maneuver seemed to increase the expression of positional nystagmus.
Keywords: Benign paroxysmal positional vertigo; Vertigo; Nystagmus
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