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目的探讨老年性聋患者脑干听觉诱发电位的改变及其临床意义。方法对３０例老年性聋患者行脑干听觉诱发电位（ＡＢＲ）检测，观察ＡＢＲ各波出现率、潜伏期值及波间期，并以正常健康老年人为对照。结果老年聋组ＡＢＲ除Ⅴ波外，两组各主波出现率差异均非常显著（Ｐ＜０．０１）。老年聋组的Ⅰ、Ⅲ、Ⅳ波的潜伏期较对照组的Ⅰ、Ⅲ、Ⅳ波的潜伏期明显延长，均值有显著性差异（Ｐ＜０．０５），波Ⅴ潜伏期均值有极显著性差异（Ｐ＜０．０１）。老年聋组与对照组相比Ⅰ～Ⅲ、Ⅰ～Ⅴ波间潜伏期明显延长，均值有极显著性差异（Ｐ＜０．０１）。结论老年性聋患者不仅有耳蜗功能的损害，脑干传导通路也可发生病损。
Objective To investigate the changes of brainstem auditory evoked potentials in senile deaf patients and its clinical significance. Methods Thirty patients with senile deafness underwent brainstem auditory evoked potentials (ABR). The incidence, latency and wave interval of each wave in ABR were observed and compared with healthy controls. Results In addition to the Ⅴ wave, ABR of senile deaf group were significantly different (P <0.01). The latencies of Ⅰ, Ⅲ and Ⅳ waves in the senile deaf group were significantly longer than those in the control group (P <0.05), and the mean values of wave Ⅴ latency were significantly different (P < P <0.01). Compared with the control group, the latency of Ⅰ ~ Ⅲ and Ⅰ ~ Ⅴ waves in the senile deaf group were significantly prolonged, with significant difference (P <0.01). Conclusion Senile deaf patients not only have impaired cochlear function, but also have lesions in the brainstem conduction pathway.