Occupational hearing loss: screening with distortion-product otoacoustic emissions

Int J Audiol. 2004 Jun;43(6):323-9. doi: 10.1080/14992020400050041.

Abstract

Hearing assessment of applicants for occupational hearing loss compensation can be a time-consuming process. An accurate screening procedure that is sensitive to occupational hearing loss may have application in many situations. The present study developed distortion-product otoacoustic emission (DPOAE) screening criteria to identify subjects likely to meet the Hong Kong requirements for occupational hearing loss compensation, namely a bilateral sensorineural loss > or = 40 dB HL (average of 1000, 2000 and 3000 Hz). The screening criteria of 1500 and/or 2000 Hz, with a signal-to-noise ratio of > 0 or 3 dB, yielded high sensitivity and specificity. DPOAE measures therefore have the potential to accurately indicate possible occupational hearing loss. However, DPOAEs should be used as a screening tool only, as conventional puretone audiometry remains the more comprehensive measure of hearing sensitivity.

MeSH terms

  • Adult
  • Aged
  • Audiometry, Pure-Tone
  • Auditory Threshold
  • Hearing Loss, Bilateral / diagnosis*
  • Hearing Loss, Sensorineural / diagnosis*
  • Hong Kong
  • Humans
  • Male
  • Mass Screening / methods
  • Mass Screening / standards*
  • Middle Aged
  • Occupational Diseases / diagnosis*
  • Otoacoustic Emissions, Spontaneous*
  • Retrospective Studies
  • Workers' Compensation