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KMID : 0828520010050040341
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Journal of the Korean Geriatrics Society
2001 Volume.5 No. 4 p.341 ~ p.347
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Vestibular Function Test in Old Age Patients with Vertebrobasilar Dolichoectasia
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Lee Geun-Ho
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Abstract
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Backgrounds : Most of vertebrobasilar dolichoecta sia(VBD) patients are in old age. Cranial nerve dysfunctin including vestibular dysfuncton such as vertigo is frequent complications of VBD. But little is known about the vestibular function test(VFT) profile of the disease.
Methods : Auditory testing and VFT(electronystagrnography with caloric test, rotaional test and computerized dynamic posturography) were performed in 25 elderly patients with auditory-vestibular symptoms or cranial nerve impairment associated with VBD.
Results : postive test result were observed in 22 cases(88%) 11 cases had evidence of peripheral involvement, 4 cases evidence of central impairment, and 7 cases had evidence of both peripheral and central dysfunction.
Conclusion : Relatively high prevalence of central dysfunction means that mechaniam such as ischemia or impaired blood supply to the vestibular system is as important as compression of the cranial nerves to generate vestibular dysfunction in elderly patinets with VBD.
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KEYWORD
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Vertebrobasilar dolichoectasia, vertigo, vestibular function test, Electrpmustagmography, Posturography
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