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KMID : 0361020100530020071
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Korean Journal of Otolaryngology - Head and Neck Surgery
2010 Volume.53 No. 2 p.71 ~ p.76
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Clinical Analysis of 42 Patients with Bilateral Vestibulopathy
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Chung Seung-Won
Han Gyu-Cheol
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Abstract
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Background and Objectives : To find out the causative factors and clinical features of bilateral vestibulopathy in the Korean population.
Subjects and Method : The data of 42 patients (mean age: 55.04±18.87 years) with bilateral vestibulopathy were reviewed retrospectively between 1997 and 2009. We carried out a full neurotological examination, electronystagmography, a bithermal caloric test, a rotatory chair test, cranial imaging and laboratory studies.
Results: Nineteen patients (45.24%) were diagnosed as having secondary bilateral vestibulopathy with causative factors. The most common cause was ototoxic drug (14.29%). Other etiologic causes were labyrinthitis, temporal bone fracture, Meniere’s disease, peripheral neuropathy and meningitis/encephalitis. Forty-five percent of all patients had symptoms that lasted less than 1 month, and about 43% of the patients presented with chronic progressive symptoms of over 1 year.
Conclusion:In about 54% of all patients, we couldn’t find any causative factors leading to bilateral vestibulopathy. Because a large subgroup of patients had a history of dizziness over one year, an adequate number of studies on vestibular and cerebellar function are recommended for patients of chronic dizziness to exclude bilateral vestibulopathy.
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KEYWORD
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Vestibular neuropathy, Vestibular function test
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