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A Systematic Review of the Audiological Efficacy of Cartilage Conduction Hearing Aids and the Factors Influencing Their Clinical Application

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posted on 2023-10-02, 14:49 authored by Bei Li, Sinyoung Lee, Zuwei Cao, Takuji Koike, Robin Joseph, Tamsin Holland Brown, Fei ZhaoFei Zhao

This systematic review evaluates the efficacy and benefit of cartilage conduction hearing aids (CC-HAs) and that factors that influence purchasing decisions. The hearing thresholds and functional gain following CC-HA wear were synthesised. A one-way analysis of variance compared the differences in the hearing thresholds and functional gain at individual frequencies and in patients with a variety of pathological changes. The synchronised aided hearing threshold and functional gain at 2.0 kHz were significantly better than at 0.5, 1.0, and 4.0 kHz. There was no significant difference in the synchronised unaided hearing thresholds across individual frequencies between 0.5 and 4.0 kHz. The synchronised functional gain in patients with atresia was significantly greater than in patients with aural atresia or stenosis and middle ear pathologies with normal ear canals. The acceptability of CC-HAs in terms of purchase decision is influenced by the condition of the external auditory meatus and severity of hearing loss, with the highest purchase rate seen in patients with aural atresia or stenosis. CC-HAs’ fitting procedure advantages and cosmetic considerations make these devices a viable and preferred choice for individuals with microtia and aural atresia. Additional research to evaluate the benefits towards emotional well-being is crucial to gain insights into the psychological impact of CC-HA use.

History

Publisher

MDPI

Version

  • VoR (Version of Record)

Citation

Li, B., Lee, S., Cao, Z., Koike, T., Joseph, R., Brown, T. H., & Zhao, F. (2023) 'A Systematic Review of the Audiological Efficacy of Cartilage Conduction Hearing Aids and the Factors Influencing Their Clinical Application', Audiology Research, 13(4), 636-650.

Electronic ISSN

2039-4349

Cardiff Met Affiliation

  • Cardiff School of Sport and Health Sciences

Cardiff Met Authors

Fei Zhao

Cardiff Met Research Centre/Group

  • Speech, Hearing and Communication

Copyright Holder

  • © The Authors

Language

  • en

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