The Effect of Cochlear Implant Electrode Array Type on Hearing Preservation.

IF 2.6 3区医学 Q1 OTORHINOLARYNGOLOGY

Journal of Otolaryngology - Head & Neck Surgery Pub Date : 2025-01-01 Epub Date: 2025-03-24 DOI:10.1177/19160216251316217

Matthew Zimmermann, Cathy Sucher

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Abstract

ObjectiveTo compare hearing preservation outcomes between lateral wall and perimodiolar electrode arrays for cochlear implant patients.Study DesignRetrospective cohort study.SettingA large Western Australian cochlear implant clinicMethodsA total of 311 adult cochlear implant recipients (321 ears) implanted between 2017 and 2022 were included. Of these, 174 presented with postlingual hearing loss and preoperative functional low-frequency hearing. The change in low-frequency pure-tone average was assessed as the difference between preoperative to 3-, 6-, and 12-months postoperative measurements. Data were analyzed through linear mixed-effects modeling and one-way ANOVA.ResultsPreoperative low-frequency, pure-tone average was higher for those implanted with perimodiolar compared with lateral wall electrodes (P < .05). The linear mixed-effects model revealed that change in low-frequency pure-tone average at all postoperative timepoints was similar between lateral wall and perimodiolar electrodes (P > .05).ConclusionThere were similar changes in residual postoperative hearing between all electrode types when controlling for preoperative low-frequency hearing and age implanted. These data suggest that newer, thinner perimodiolar and lateral wall electrodes could be considered for individuals with greater levels of preoperative low-frequency hearing.

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人工耳蜗电极阵列对听力保护的影响。

目的比较侧壁电极阵列与磨牙周围电极阵列对人工耳蜗患者听力保护效果的影响。研究设计回顾性队列研究。方法选取2017 - 2022年间植入的311例成人人工耳蜗受者（321耳）。其中，174例出现语后听力损失和术前功能性低频听力。低频纯音平均值的变化被评估为术前与术后3、6和12个月测量值之间的差异。数据分析采用线性混合效应模型和单因素方差分析。结果与侧壁电极相比，磨牙周电极的术前低频、纯音平均值更高（P < 0.05）。结论在控制术前低频听力和植入年龄的情况下，各电极类型术后残余听力的变化相似。这些数据表明，对于术前低频听力水平较高的个体，可以考虑使用更新、更薄的磨牙周和侧壁电极。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Otolaryngology - Head & Neck Surgery 医学-耳鼻喉科学

CiteScore

6.50

自引率

2.90%

发文量

审稿时长

6 weeks

期刊介绍： Journal of Otolaryngology-Head & Neck Surgery is an open access, peer-reviewed journal publishing on all aspects and sub-specialties of otolaryngology-head & neck surgery, including pediatric and geriatric otolaryngology, rhinology & anterior skull base surgery, otology/neurotology, facial plastic & reconstructive surgery, head & neck oncology, and maxillofacial rehabilitation, as well as a broad range of related topics.