We measured 20 patients with vertebral cervical disease of vertebral artery type with electric response audiometry of Danae type 9(made in Japan) for two years. The abnormality of auditory brain stem response(ABR) of 11 patients accounted for 55.0%.

• 二年来我们采用日本产Danac9型电反应测听仪测试了20例椎动脉型颈椎病患者,其中11例患者(55%25)听性脑干反应(ABR)异常。