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Occupational Noise: Auditory and Non-Auditory Consequences.

Adam Sheppard1, Massimo Ralli2, Antonio Gilardi2

  • 1Department of Communicative Disorders and Sciences and Center for Hearing and Deafness, University at Buffalo, Buffalo, NY 14221, USA.

International Journal of Environmental Research and Public Health
|December 5, 2020
PubMed
Summary
This summary is machine-generated.

Occupational noise exposure causes significant hearing loss, but current regulations underestimate its impact. New research highlights broader auditory deficits and links hearing impairment to serious health risks like cardiovascular disease.

Keywords:
continuous equivalent leveldementiahidden hearing losshyperacusisoccupational noise exposureotoacoustic emissionssound pressure leveltinnitusultra-high frequency

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Area of Science:

  • Occupational Health
  • Audiology
  • Public Health

Background:

  • Occupational noise exposure is a major cause of disabling hearing loss.
  • Current regulations inadequately address the full spectrum of noise-induced hearing impairments.
  • Societal costs of occupational hearing loss are likely underestimated.

Purpose of the Study:

  • To review the limitations of current occupational noise regulations.
  • To highlight underrecognized auditory deficits caused by noise exposure.
  • To discuss the broader health implications of hearing loss.

Main Methods:

  • Literature review of research on occupational noise exposure.
  • Analysis of current regulatory frameworks in the US and Europe.
  • Synthesis of evidence on auditory and non-auditory health effects.

Main Results:

  • Current regulations focus narrowly on audiometric threshold shifts, missing other deficits like tinnitus and hyperacusis.
  • Extended high-frequency hearing loss and impaired speech perception in noise are common.
  • Hearing loss is increasingly linked to cardiovascular disease and dementia.

Conclusions:

  • Existing occupational noise regulations are insufficient.
  • A broader understanding of noise-induced hearing damage and its systemic health effects is needed.
  • Policy updates are necessary to protect worker health more comprehensively.