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Auditory problems in elderly patients with stroke

M A Hariri1, M V Lakshmi, S Larner

  • 1Department of Audiological Medicine, Central Manchester Hospitals Trust.

Age and Ageing
|July 1, 1994
PubMed
Summary
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Stroke can impair central auditory perception, even in stable patients. Dichotic competing sentence testing (DCST) effectively detects this auditory dysfunction following stroke.

Area of Science:

  • Neurology
  • Audiology
  • Neuroscience

Background:

  • Stroke can lead to various neurological deficits, including potential impacts on auditory processing.
  • Central auditory processing disorders may affect patient recovery and quality of life.
  • Assessing auditory function post-stroke is crucial for comprehensive patient management.

Purpose of the Study:

  • To investigate central auditory processing in stroke survivors.
  • To evaluate the utility of dichotic competing sentence testing (DCST) in identifying auditory dysfunction after stroke.
  • To determine if stroke laterality or lesion location influences auditory processing deficits.

Main Methods:

  • Studied 25 stable stroke patients and 25 matched controls.
  • Excluded participants with ear disease, other neurological disorders, severe dysphasia, or confusion.

Related Experiment Videos

  • Assessed auditory function using average pure tone hearing threshold (APTT), speech discrimination, and dichotic competing sentence testing (DCST).

    • Main Results:

    • No significant differences in APTT or speech discrimination between stroke patients and controls.
    • Stroke patients showed significantly impaired performance on DCST compared to controls (17/25 stroke patients failed vs. 1/25 controls).
    • Failure rates on DCST were similar across stroke sides and lesion locations; most failures occurred in the ear contralateral to the cortical lesion.

    Conclusions:

    • Dichotic competing sentence testing (DCST) is a valuable tool for detecting central auditory dysfunction in stroke patients.
    • Unilateral hemispheric stroke can negatively impact central auditory perception in older adults.
    • Auditory processing deficits after stroke may not correlate with basic hearing thresholds or speech discrimination abilities.