Journal of the Korean Balance Society  2004;3(1):184-186

One Case of Downbeat Nystagmus with Compression of Vestibulocochlear Nerve by Vertebral Arteries.

Gyu Cheol HAN 1 ; Ju Hyoung LEE ; Jong Su HA ; Hee Young HWANG ; Cheol Wan PARK

Affiliations

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Keywords

Vertical nystagmus; Vertebrobasilar dolichoectasia; Vestibulocochlear nerve

Country

Republic of Korea

Language

Korean

Abstract

A case is reported of downbeat nystagmus associated with compression of the root of vestibulocochlear nerve by vertebral arteries, which was revealed by magnetic resonance imaging. Chief complain of the patient was positional vertigo, which aggrevated at left decubitus position. Downbeat nystagmus was increased in left Dix-hall pike test. Tetsuo et al, reported downbeat nystagmus with compression of dolichoectatic vertebral arteries to the medulla oblongata and surgical neurovascular decompression of the dolichoectasia reverses the progression of symptoms if permanent neurologic damage has not already occurred.