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High frequency hearing loss associated with otitis media

L L Hunter1, R H Margolis, J R Rykken

  • 1Otitis Media Research Center, Department of Otolaryngology, University of Minnesota School of Medicine, Minneapolis, USA.

Ear and Hearing
|February 1, 1996
PubMed
Summary

Otitis media (OM) can cause long-term high-frequency hearing loss in children, especially those requiring multiple ear tube insertions. Hearing impairment may worsen with age and prolonged ear disease.

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Area of Science:

  • Pediatric Otolaryngology
  • Audiology
  • Hearing Science

Background:

  • Otitis media (OM) is a common childhood illness with potential long-term consequences.
  • Understanding the impact of OM on hearing, particularly in high-frequency (HF) ranges, is crucial for early intervention.
  • Previous studies have focused on conventional hearing, but HF hearing loss requires further investigation.

Purpose of the Study:

  • To investigate the long-term effects of otitis media on hearing in both conventional and high-frequency (HF) regions in children.
  • To identify factors associated with HF hearing loss in children with a history of OM.

Main Methods:

  • A prospective study followed children with OM after tympanostomy tube insertion for 3-5 years.
  • Serial audiometry and multifrequency tympanometry were used to assess hearing thresholds.

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  • Hearing thresholds were compared to an age-matched control group, and various factors were analyzed for their association with HF hearing loss.

    • Main Results:

    • OM history was linked to poorer HF hearing, independent of residual middle ear dysfunction.
    • Active middle ear disease significantly impacted both conventional and HF hearing thresholds.
    • Multiple ear tube insertions and frequent OM episodes during follow-up were significantly associated with poorer HF hearing.

    Conclusions:

    • HF hearing loss is associated with OM even after resolution of active disease and middle ear dysfunction.
    • Prolonged ear disease duration in children with OM histories contributes to poorer HF hearing.
    • Children requiring multiple ear tube insertions are at the highest risk for HF hearing loss, suggesting a progressive impact of OM on hearing thresholds.