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目的 :探讨椎基底动脉供血不足 (VBI)患者的脑干听觉诱发电位 (BAEP)与经颅多普勒(TCD)的相关性。方法 :对 5 8例临床诊断VBI眩晕的患者及 30例非VBI眩晕的患者进行BAEP和TCD检测。结果 :VBI组BAEP异常率为 5 9% ,TCD异常率为 6 1% ,χ2 检验差异无显著意义 :非VBI组BAEP异常率 8% ,TCD异常率为 47% ,χ2 检验差异有显著意义。VBI组BAEP及TCD皆异常者为 6 4/116 ,皆正常者为 2 3/116 ,两者占 75 % ;非VBI皆异常者为 4/6 0 ,皆正常者为 32 /6 0 ,两者占 6 0 %。结论 :结合BAEP及TCD检查结果有助于VBI的诊断 ,而单独的TCD结果不足以作为诊断依据。
Objective: To investigate the correlation between brainstem auditory evoked potential (BAEP) and transcranial Doppler (TCD) in patients with vertebrobasilar insufficiency (VBI). Methods: BAEP and TCD were detected in 58 patients with VBI dizziness and 30 patients with non-VBI vertigo. Results: The abnormal rate of BAEP in VBI group was 59% and the abnormal rate of TCD was 61%. There was no significant difference in χ2 test between VBI group and non-VBI group. The abnormal BAEP rate was 8% and abnormal TCD rate was 47%. In VBI group, both BAEP and TCD were abnormal, with a mean of 6 4/116, both of whom were 2 3/116, both of which accounted for 75%; those with non-VBI were all 4/6 0 and those with normal BMI were 32/60 Who accounted for 60%. Conclusion: The combined results of BAEP and TCD are helpful for the diagnosis of VBI, while the results of TCD alone are not enough to be used as the basis of diagnosis.