小儿正常耳蜗与内耳畸形人工耳蜗植入术后电极阻抗及NRT值对比研究  

Study of electrode impedance and NRT value characteristics with cochlear implants in children with malformed inner ear and normal inner ear

作　　者：乔晓峰[1] 王东[1] 

机构地区：[1]山西省人民医院耳鼻咽喉科,太原030001

出　　处：《临床耳鼻咽喉头颈外科杂志》2013年第22期1231-1233,共3页Journal of Clinical Otorhinolaryngology Head And Neck Surgery

摘　　要：目的:探讨小儿正常耳蜗与内耳畸形人工耳蜗植入手术后,植入体电极阻抗值及神经反应遥测(NRT)值的变化特点及规律。方法:将88例澳大利亚Cochlear Nucleus 24型人工耳蜗植入手术患儿分为正常耳蜗组与内耳畸形耳蜗组,测试手术中及手术后1年阻抗值及NRT值,并分析对比。结果:两组患者阻抗值差异有统计学意义(P>0.05),其阻抗变化趋势相同。开机3个月内阻抗值变化明显,其后趋于稳定。两组患者NRT值差异有统计学意义(P<0.05),其NRT值变化趋势相同。总的趋势是低频值较低,高频值较高,术中至术后1年NRT值逐渐增高。结论:电极阻抗值及NRT值开机3个月内变化明显,故需多次调机,以使患者语言感知达到最佳状态。Objective：To investigate the changes and determine the difference of electrode impedance and neu- ral response telemetry（NRT） value with cochlear implants in children with malformed inner ear and normal inner ear. Method： Eighty-eight children with multi-channel cochlear implants participated in this study. Children were divided into malformed inner ear group and normal inner ear group. To test the electrode impedance values and NRT value. Result： The changes of electrode impedance showed the similar changing pattern in two groups. There was not different in electrode impedance values between the two groups（P〉0.05）. The changes of electrode neural response telemetry values showed the similar changing pattern in two groups. There was significantly different in electrode impedance values between the two groups（P〈0.05）. The NRT were going up higher from electrode 22 to electrode 1. Conclusion： The values vary are different programming sessions and electrodes during the first 3 months of cochlear implant use. To acquire better hearing frequent programming sessions are necessary.

关 键 词：人工耳蜗植入 电极 阻抗 电极神经反应遥测 儿童 

分 类 号：R764.35[医药卫生—耳鼻咽喉科]