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Extended high-frequency audiometry (HFA) helps detect hearing loss, but reference data for older adults is limited. This review found significant hearing loss at extended high frequencies (EHF) in this group, highlighting the need for more research.

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Area of Science:

  • Audiology
  • Gerontology
  • Otorhinolaryngology

Background:

  • Extended high-frequency audiometry (EHF) is crucial for early hearing loss detection.
  • Limited normative data for extended high frequencies (EHF) in older adults introduces uncertainty.
  • Age-related hearing changes at EHF require further investigation.

Purpose of the Study:

  • To review and analyze hearing thresholds at extended high frequencies (EHF) in adults over 60 years.
  • To identify existing research on EHF hearing in the elderly population.
  • To highlight gaps in normative data for EHF audiometry in older adults.

Main Methods:

  • A systematic literature search was performed using keywords related to HFA.
  • Databases searched included PubMed, Scopus, and Web of Science.
  • Analysis included 7 relevant studies published within the last 22 years from 1654 identified records.

Main Results:

  • Multiple studies indicate significant hearing loss at extended high frequencies (EHF) in older adults.
  • Hearing thresholds between 9-20 kHz showed considerable variability across studies in the elderly.
  • Existing data on EHF hearing in older adults is insufficient for establishing clear reference values.

Conclusions:

  • Significant hearing impairment exists at extended high frequencies (EHF) in adults over 60.
  • Wide variations in EHF hearing thresholds necessitate further research.
  • Completion of normative data for EHF audiometry in older adults is essential.