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J Korean Bal Soc > Volume 6(1); 2007 > Article
Journal of the Korean Balance Society 2007;6(1): 53-56.
양측성 전정 기능 소실 환자에서 발생한 양성 돌발성 두위현훈
, , , 장정훈, 홍성광, 김지수, 구자원
서울대학교 의과대학 이비인후과학교실1, 신경과학교실2
Benign Paroxysmal Positional Vertigo in Bilateral Vestibular Loss
Jeong Hun Jang, Sung Kwang Hong, Ji Soo Kim, Ja Won Koo
1Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea. jwkoo99@snu.ac.kr
2Department of Neurology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.
ABSTRACT
Usual presentations of bilateral vestibular loss are ataxia and oscillopsia. However, fluctuating dizziness is also observed in bilateral vestibulopathy patient. Fluctuating vestibular function in bilateral vestibular loss patients may suggest asymmetric progression of functional loss after compensation is partially accomplished. Because labyrinthine lesion causing vestibular loss is a predisposing factor of benign paroxysmal positional vertigo (BPPV), secondary BPPV can also be developed in bilateral vestibular loss patients. However, BPPV has been hardly noticed in bilateral vestibulopathy patients as a cause of fluctuating dizziness. Authors experienced two cases of BPPV developed in bilateral vestibular loss, one of which showed complete dead labyrinth on ice water caloric test and no significant vestibule-ocular reflex on rotation test. These cases show recurrent BPPV can be the cause of recurrent vertigo in bilateral vestibular loss patients.
Keywords: Vestibular disease; Positional vertigo; Vestibular function tests
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