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Patterns of auditory abnormality in multiple sclerosis.

J F Jerger, T A Oliver, R A Chmiel

    Audiology : Official Organ of the International Society of Audiology
    |January 1, 1986
    PubMed
    Summary
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    Multiple sclerosis (MS) frequently causes auditory problems. A combination of acoustic reflex (AR), speech audiometry (SA), and auditory brainstem response (ABR) tests identified 90% of auditory abnormalities in MS patients.

    Area of Science:

    • Neuroscience
    • Audiology
    • Clinical Neurology

    Background:

    • Multiple sclerosis (MS) is a demyelinating disease affecting the central nervous system.
    • Auditory pathway dysfunction is a recognized but often underdiagnosed complication of MS.
    • Early detection of auditory abnormalities can aid in comprehensive patient management.

    Purpose of the Study:

    • To assess the prevalence and identification rates of auditory abnormalities in patients with definite multiple sclerosis.
    • To evaluate the diagnostic utility of a battery of auditory tests in MS.
    • To determine the most effective combination of tests for identifying auditory dysfunction in MS.

    Main Methods:

    • A cohort of 62 patients diagnosed with definite multiple sclerosis underwent a comprehensive auditory test battery.

    Related Experiment Videos

  • Tests included acoustic reflex (AR), auditory brainstem response (ABR), masking level difference (MLD), and speech audiometry (SA).
  • Data were analyzed to determine individual test identification rates and the efficacy of combined test results.

    • Main Results:

    • The acoustic reflex (AR) demonstrated the highest individual identification rate at 71%.
    • Speech audiometry (SA) followed with 55%, auditory brainstem response (ABR) at 52%, and masking level difference (MLD) at 45%.
    • A combination of AR, ABR, or SA achieved a 90% identification rate; AR, SA, or MLD achieved 87%.

    Conclusions:

    • Auditory abnormalities are highly prevalent in multiple sclerosis patients.
    • A combination of specific auditory tests, particularly AR, SA, and ABR, offers a high diagnostic yield for detecting auditory dysfunction in MS.
    • The auditory brainstem response (ABR) may not be essential when using a combination including AR, SA, and MLD for auditory abnormality detection in MS.