通过侧壁耳植入物电极阵列的电气静脉共刺激
Laura Fröhlich1, Julia K Mollet1, Ahmed Salha1
1Department of Otorhinolaryngology, University Hospital Bonn, University of Bonn, Bonn, Germany.
概括
通过耳植入物 (CI) 电极的电刺激可以激活前庭系统,导致前庭共同刺激. 这在基底电极中更频繁地发生,并且可能发生在声音可听到之前,影响日常CI使用.
科学领域:
- 神经科学是一个神经科学.
- 听力学 听力学是指听力学.
- 耳鼻喉科 耳鼻喉科 耳鼻喉科
背景情况:
- 耳植入物 (CI) 可能会刺激前庭系统.
- 对于CI用户来说,了解前庭对电刺激的反应至关重要.
研究的目的:
- 使用直侧壁CI电极分析宫和眼前庭引起的肌原潜力 (e-cVEMPs和e-oVEMPs).
- 根据电极位置评估响应特征 (数量,振幅,延迟,值).
主要方法:
- 在使用电脉冲列车的成年CI患者中记录了e-cVEMP和e-oVEMP.
- 通过在顶峰 (E3),中位 (E6) 和基底 (E10,E11) 位置的电极进行刺激.
- 通过骨传导振动 (BCV) 记录的VEMP作为参考.
主要成果:
- 在95%的参与者中测量了e-VEMP;在60%的参与者中测量了BCV-VEMP.
- 基底电极刺激显示出更高的响应率和与BCV-VEMP可比的幅度.
- e-VEMP的值处于基底电极的临床安装水平之内.
结论:
- 在大多数患者 (95%) 中,直立侧壁CI电极显示前体共刺激.
- 基底电极更有可能诱导前体共刺激,而不是顶点或中间电极.
- 在电刺激被听到之前,可以发生静脉共刺激,可能是在日常CI使用期间.
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