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电生理测试在力声特人工耳蜗调试中的应用

Application of Objective Test in Mapping after Chinese Cochlear Implanting

黄美萍;杨璐;李进;李孛;周嵌;黄治物;李蕴

1:上海交通大学医学院附属第九人民医院耳鼻咽喉头颈外科

2:上海交通大学医学院耳科学研究所

3:上海市耳鼻疾病转化医学重点实验室

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摘要

目的分析电镫骨肌反射阈值(electrically evoked stapedius reflex threshold, ESRT)、电刺激听性脑干反应(electrically evoked auditory brainstem response, EABR)阈值、电刺激听神经复合动作电位(electrically evoked auditory nerve compound action potentials, ECAP)阈值与人工耳蜗心理物理量测试中的最大舒适阈值(maximum comfort threshold, C值)及最小反应阈值(minimum response threshold, T值)之间的关系，为力声特人工耳蜗植入者调试时参数设置提供参考。方法选择14例具有一定响度辨别经验及言语交流能力且配合良好的语后聋力声特人工耳蜗植入者，平均年龄22.47±13.37岁，植入体型号为LCI-20PI。在每个患者开机后6±1个月时，选取人工耳蜗低频(1号)、中频(11号)、高频(19号)区域电极各一个，分别测试其T值、C值、ESRT、EABR及ECAP阈值，并进行相关性分析。结果 1、11及19号电极ESRT引出率均为100%;EABR阈值引出率分别为100%、100%、78.57%;ECAP阈值引出率分别为100%、100%、71.43%。各电极ESRT与C值均存在显著相关性(P<0.05),相关系数分别为0.76、0.73、0.70,与T值均没有显著相关性(P>0.05)。各电极EABR阈值、ECAP阈值与T值、C值均无显著相关性(P>0.05)。结论 ESRT可以作为力声特人工耳蜗植入者调试中C值设置的首选参考指标。

关键词

电镫骨肌反射阈;电刺激听性脑干反应;电刺激听神经复合动作电位;最大舒适阈值;最小反应阈值

基金项目(Foundation):

国家科技部重点研发专项（2020YFC2005205）

作者

黄美萍;杨璐;李进;李孛;周嵌;黄治物;李蕴

参考文献

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