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对35例临床诊断为椎-基底动脉短暂性脑缺血发作(VBTIA)的患者于发作间歇期行脑干听觉诱发电位(BAEP)转颈试验研究。结果显示:VBTIA患者BAEP转颈后异常率由转颈前的45.7％显著增高到74.3％(P<0.01),提示血流动力学因素在本病的发病机理中起重要的作用。
35 patients with clinical diagnosis of vertebrobasilar transient ischemic attack (VBTIA) in patients with interictal brainstem auditory evoked potentials (BAEP) neck test. The results showed that the abnormal rate of BAEP after neck rotation in VBTIA patients increased significantly from 45.7% to 74.3% (P <0.01), suggesting that hemodynamic factors play an important role in the pathogenesis of this disease.