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目的探讨不同刺激频率的脑干听觉诱发电位(BAEP)检查在新生儿缺氧缺血性脑病(HIE)中的临床价值。方法对43例HIE患儿采用11.1次/s和50次/s两种刺激频率进行BAEP检测并分析结果。结果低刺激频率(11.1次/s)BAEP异常率65.1%,高刺激频率(50次/s)异常率81.4%,两种刺激频率II、II、V波均有异常,但以V波异常为主。高刺激频率BAEP各参数平均值与正常组比较,差异有统计学意义(P<0.01)。结论 BAEP能客观、直接地反映周围听系和脑干功能状态及损害程度,提高刺激频率有助于发现更多的神经电生理变化,对于提高HIE脑干损害的诊断率具有一定作用。
Objective To investigate the clinical value of brainstem auditory evoked potentials (BAEP) with different stimulation frequencies in neonatal hypoxic-ischemic encephalopathy (HIE). Methods 43 cases of HIE children with 11.1 times / s and 50 times / s two kinds of stimulation frequency of BAEP detection and analysis of the results. Results The abnormal rate of BAEP was 65.1% with low stimulation frequency (11.1 times / s) and abnormal rate of high stimulation frequency (50 times / s) was 81.4%. The abnormalities of II, the Lord. Compared with the normal group, the mean BAEP parameters of high stimulation frequency had a significant difference (P <0.01). Conclusions BAEP can objectively and directly reflect the functional status and damage of peripheral auditory brainstem and brainstem. To improve the stimulation frequency can help to find out more neuroelectrophysiological changes, which may play an important role in improving the diagnosis rate of brain stem damage in HIE.