Electrophysiological Changes Associated with the Progression of Noise-Induced Hearing Loss

BACKGROUND: The aim of this study is to evaluate the clinical characteristics and electrophysiological changes in patients with different degrees of noise-induced hearing loss compared with those of normal controls to elucidate the progression of auditory neural damage attributed to noise exposure....

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Bibliographic Details
Published in:Journal of International Advanced Otology 2023-11, Vol.19 (6), p.485-491
Main Authors: Chang, Young-Soo, Song, Insik, Han, JungHyun, Choi, June, Rah, Yoon Chan
Format: Article
Language:English
Subjects:
Audiometry
Comparative analysis
Development and progression
Hearing loss
Hearing protection
Medical records
Noise control
Original
Regression analysis
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Summary:BACKGROUND: The aim of this study is to evaluate the clinical characteristics and electrophysiological changes in patients with different degrees of noise-induced hearing loss compared with those of normal controls to elucidate the progression of auditory neural damage attributed to noise exposure. METHODS: A retrospective cohort study was conducted through a review of the medical records for the patients who presented to a tertiary referral center. Sixty-nine participants were included in the study: 29 had noise-induced hearing loss, and 40 were healthy controls. All the participants underwent electrophysiological tests and pure-tone audiometry. RESULTS: Nine patients showed mild hearing loss (mild hearing loss group), while the others showed worse than moderate hearing loss on puretone audiometry (severe hearing loss group). Significantly reduced wave I and V amplitudes of auditory brainstem response were present in both mild and severe hearing loss groups compared to the control group (P
ISSN:1308-7649
2148-3817
DOI:10.5152/iao.2023.231192