Stapedius reflex measurements in open sound-field in children using MED-EL cochlear implant systems.

IF 2 3区医学 Q2 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY

International Journal of Audiology Pub Date : 2026-08-16 DOI:10.1080/14992027.2026.2715824

Rajdeep Kar, Palani Saravanan

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引用次数: 0

Abstract

Objectives: The study compared stapedius reflex thresholds during presentation of acoustic stimuli in an open sound field (sf-SRT) in paediatric cochlear implant (CI) users with the MED-EL system and children with bilateral normal hearing sensitivity.

Design: The sf-SRT was measured using open-sound-field acoustic stimulation with narrow-band noise (NBN) centred at 0.5, 1, 2, and 4 kHz, and broad-band noise (BBN). The sf-SRTs were measured twice in two different sessions.

Study sample: Nineteen unilateral paediatric CI users and twenty children with bilateral normal hearing sensitivity, with an age range from 3 to 12 years.

Results: The sf-SRT levels ranged from 65 to 103 dB HL and 70 to 90 dB HL across stimulus types in the CI and normal-hearing groups, respectively. Mann-Whitney U test revealed that the CI group had significantly higher sf-SRT levels for 2 kHz NBN than the normal-hearing group. In the CI group, repeated-measures ANOVA revealed significantly higher sf-SRT levels for NBN centred at 2 kHz than for 0.5 kHz and BBN. The sf-SRT measurements were reported to be reliable in the CI group.

Conclusion: High test-retest reliability was demonstrated, supporting the use of sf-SRT measurements to confirm upper stimulation levels in paediatric CI users.

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使用MED-EL人工耳蜗系统对儿童开放声场的镫骨反射测量。

目的：本研究比较了使用MED-EL系统的儿童人工耳蜗使用者和双侧听力正常的儿童在开放声场（sf-SRT）声刺激时的镫骨反射阈值。设计：采用开放声场声刺激测量sf-SRT，其中以0.5、1、2和4 kHz为中心的窄带噪声（NBN）和宽带噪声（BBN）。sf- srt在两个不同的阶段测量了两次。研究样本：19名单侧儿童CI使用者和20名双侧听力正常的儿童，年龄范围从3岁到12岁。结果：在CI组和正常听力组中，不同刺激类型的sf-SRT水平分别为65 ~ 103 dB HL和70 ~ 90 dB HL。Mann-Whitney U检验显示，CI组在2 kHz NBN时的sf-SRT水平显著高于正常听力组。在CI组中，重复测量方差分析显示，以2 kHz为中心的NBN的sf-SRT水平显著高于0.5 kHz和BBN。据报道，在CI组中，sf-SRT测量是可靠的。结论：高测试-重测可靠性被证明，支持使用sf-SRT测量来确认儿科CI使用者的高刺激水平。

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

International Journal of Audiology 医学-耳鼻喉科学

CiteScore

4.90

自引率

14.80%

发文量

133

审稿时长

4-8 weeks

期刊介绍： International Journal of Audiology is committed to furthering development of a scientifically robust evidence base for audiology. The journal is published by the British Society of Audiology, the International Society of Audiology and the Nordic Audiological Society.