Early identification of potential occupational noise-induced hearing loss: a systematic review.

Int J Audiol

School of Psychology, Speech and Hearing, University of Canterbury, Christchurch, New Zealand.

Published: October 2024

Objective: This systematic review addressed two questions:

Design: Systematic searches were conducted in Ovid MEDLINE(R) and Embase from July 2021 to May 2024. Eligibility was screened by two independent reviewers using Covidence. HTL results were analysed for susceptibility to noise-induced changes, and sensitivity and specificity of early flag metrics were assessed.

Study Sample: Of 175 studies retrieved, 18 met the inclusion criteria.

Results: Ten studies emphasised the importance of testing at frequencies above 8 kHz, with HTLs at 12, 14, and 16 kHz frequently identified as the most noise susceptible. Conventional frequencies of 3-6 kHz were also noted as susceptible. NIOSH and OSHA metrics had low sensitivity and specificity, but modifications improved their performance to 100% sensitivity and 98% specificity.

Conclusion: The review highlights the need to refine current metrics and explore extended high frequencies for NIHL monitoring. Research is required to determine frequencies for warning metrics and sensitive metrics for early occupational NIHL detection.

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Source
http://dx.doi.org/10.1080/14992027.2024.2418354DOI Listing

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