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Related Experiment Videos

Asymmetric sensorineural hearing loss in a community-based population.

S L Urben1, M S Benninger, N D Gibbens

  • 1Department of Otolaryngology-Head and Neck Surgery, Henry Ford Health System, Detroit, MI, USA.

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|June 3, 1999
PubMed
Summary

Asymmetric sensorineural hearing loss (ASNHL) can indicate retrocochlear pathology. This study found acoustic neuromas in 2.1% of ASNHL patients, suggesting a need for cost-effective diagnostic guidelines.

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Area of Science:

  • Otolaryngology
  • Audiology
  • Neurology

Background:

  • Asymmetric sensorineural hearing loss (ASNHL) is common but may signal retrocochlear pathology.
  • The incidence of acoustic neuroma (AN) in ASNHL patients is not well-established.
  • Healthcare resource limitations necessitate cost-effective evaluation guidelines for ASNHL.

Purpose of the Study:

  • To determine the prevalence of retrocochlear pathology, specifically AN, in patients with ASNHL.
  • To evaluate the diagnostic yield and cost-effectiveness of current evaluation methods.
  • To propose cost-containment strategies for ASNHL patient management.

Main Methods:

  • Retrospective study of 325 ASNHL patients over 5 years (1990-1994).
  • Analysis of demographic, historic, audiologic data, Auditory Brainstem Response (ABR) tests, and radiologic studies.

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  • Calculation of AN prevalence and diagnostic cost per case.

    • Main Results:

    • ASNHL was identified in 325 patients.
    • Auditory Brainstem Response (ABR) tests were normal in 92% of 179 patients evaluated.
    • Acoustic neuromas (AN) were diagnosed in 4 out of 193 patients (2.1% prevalence), with a diagnostic cost exceeding $41,000 per AN.

    Conclusions:

    • Retrocochlear pathology, including AN, is present in a small percentage of ASNHL patients.
    • Current diagnostic approaches may be costly.
    • A cost-containment strategy for evaluating and managing ASNHL patients is proposed.