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Tinnitus in old age.

U Rosenhall1, A K Karlsson

  • 1Department of Audiology, Sahlgrenska Sjukhuset, Göteborg, Sweden.

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PubMed
Summary
This summary is machine-generated.

Tinnitus is common in older adults, affecting 8-15% continuously. Occupational noise exposure significantly correlates with continuous tinnitus and hearing loss in elderly men.

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Area of Science:

  • Gerontology
  • Otolaryngology
  • Epidemiology

Background:

  • Tinnitus, the perception of sound without an external source, is a common complaint in older populations.
  • Understanding the prevalence and contributing factors of tinnitus in the elderly is crucial for public health and clinical management.

Purpose of the Study:

  • To investigate the prevalence of tinnitus in a cohort of 70-year-old individuals in Göteborg, Sweden.
  • To explore the relationship between tinnitus and factors such as age, sex, occupational noise exposure, and hearing thresholds.

Main Methods:

  • A longitudinal study involving 674 participants aged 70, with follow-ups at ages 75 and 79.
  • Data collection included tinnitus assessment, audiometric pure-tone threshold measurements, and occupational noise exposure history.

Main Results:

  • The prevalence of continuous tinnitus was 8-15%, and occasional tinnitus was 20-42%.
  • Significant correlations were found between continuous tinnitus and prolonged occupational noise exposure (20-30 years for men with tinnitus vs. 11-15 years for men without).
  • Continuous tinnitus was associated with poorer pure-tone hearing thresholds, indicating noise-induced hearing loss as a key factor.

Conclusions:

  • Noise-induced hearing loss is a significant etiological factor for tinnitus in the elderly, particularly in men.
  • Other hearing impairments like presbycusis, Ménière's disease, otosclerosis, and chronic otitis media also contribute to tinnitus development in old age.