A systematic review of electric-acoustic stimulation: device fitting ranges, outcomes, and clinical fitting practices.

Paola V Incerti, Teresa Y C Ching, Robert Cowan
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引用次数: 60

Abstract

Cochlear implant systems that combine electric and acoustic stimulation in the same ear are now commercially available and the number of patients using these devices is steadily increasing. In particular, electric-acoustic stimulation is an option for patients with severe, high frequency sensorineural hearing impairment. There have been a range of approaches to combining electric stimulation and acoustic hearing in the same ear. To develop a better understanding of fitting practices for devices that combine electric and acoustic stimulation, we conducted a systematic review addressing three clinical questions: what is the range of acoustic hearing in the implanted ear that can be effectively preserved for an electric-acoustic fitting?; what benefits are provided by combining acoustic stimulation with electric stimulation?; and what clinical fitting practices have been developed for devices that combine electric and acoustic stimulation? A search of the literature was conducted and 27 articles that met the strict evaluation criteria adopted for the review were identified for detailed analysis. The range of auditory thresholds in the implanted ear that can be successfully used for an electric-acoustic application is quite broad. The effectiveness of combined electric and acoustic stimulation as compared with electric stimulation alone was consistently demonstrated, highlighting the potential value of preservation and utilization of low frequency hearing in the implanted ear. However, clinical procedures for best fitting of electric-acoustic devices were varied. This clearly identified a need for further investigation of fitting procedures aimed at maximizing outcomes for recipients of electric-acoustic devices.

电声刺激的系统回顾:设备装配范围,结果和临床装配实践。
在同一只耳朵中结合电和声刺激的人工耳蜗系统现在已经商业化,使用这些设备的患者数量正在稳步增加。特别是,电声刺激是严重的高频感音神经性听力障碍患者的一种选择。在同一只耳朵中结合电刺激和声学听觉的方法有很多。为了更好地理解电声结合刺激装置的装配实践,我们对三个临床问题进行了系统的回顾:植入耳中可以有效保留的声学听力范围是多少?声波刺激与电刺激相结合有什么好处?对于结合了电刺激和声刺激的设备,有哪些临床应用?对文献进行检索,选出27篇符合严格评价标准的文章进行详细分析。可成功用于电声应用的植入耳的听觉阈值范围相当广泛。与单独电刺激相比,电声联合刺激的有效性得到了一致的证明,突出了植入耳中低频听力的保存和利用的潜在价值。然而,临床程序的最佳安装的电声装置是不同的。这清楚地表明,需要进一步研究拟合程序,以最大限度地提高电声装置接受者的效果。
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
Trends in Amplification
Trends in Amplification AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY-OTORHINOLARYNGOLOGY
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