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Autonomic dysfunction on the affected side in Meniere's disease

T Uemura, M Itoh, N Kikuchi

    Acta Oto-Laryngologica
    |January 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

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    Autonomic dysfunction on the affected side is linked to Meniere

    Area of Science:

    • Ophthalmology
    • Neurology
    • Otolaryngology

    Background:

    • Meniere's disease is a complex inner ear disorder.
    • The potential role of autonomic dysfunction in Meniere's disease pathogenesis remains unclear.
    • Understanding the underlying mechanisms is crucial for effective treatment strategies.

    Observation:

    • The study investigated autonomic dysfunction using mecholyl tests via conjunctival instillation.
    • Tests were performed on normal subjects and patients with Meniere's disease, labyrinthitis, and vestibular neuritis.
    • Significant miosis (pupil constriction) was monitored as an indicator of autonomic response.

    Findings:

    • Meniere's disease patients exhibited a significantly higher rate of miosis on the affected side compared to normal subjects.

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  • This elevated response was observed during acute attacks, quasi-attacks, and intervals in Meniere's disease patients.
  • Patients with labyrinthitis or vestibular neuritis did not show significant miosis on the affected side alone, suggesting the response is specific.

    • Implications:

    • The findings suggest that autonomic dysfunction on the affected side is a key factor in Meniere's disease.
    • Abnormalities in vestibular-autonomic reflexes alone do not trigger a positive mecholyl test.
    • This research points towards localized autonomic dysfunction as a potential cause of Meniere's disease.