Abstract
Vestibular nerve disorder (VND) in cases suffering from sudden deafness with vertigo was studied. Between 1987 and 1991, we observed 46 patients suffering from sudden deafness with or without vertigo, who had undergone the caloric test and galvanic body sway test (GBST). Twenty-seven patients had vertigo and canal paresis (CP) upon the caloric test, 6 vertigo without CP and 13 CP without vertigo. VND was detected in 12 of the 46 patients. All those with VND had vertigo and CP upon the caloric test, 12/27 (44%). The degree of hearing loss in those with VND was significantly (p < 0.05) more severe and their recovery of hearing loss was poorer than in patients without VND. These results indicate that VND is a common finding in cases of sudden deafness with vertigo especially in those with severe hearing loss.
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