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[Visual evoked potential in multiple sclerosis].

A Citterio, V Cosi, R Callieco

    Bollettino Della Societa Italiana Di Biologia Sperimentale
    |October 15, 1979
    PubMed
    Summary
    This summary is machine-generated.

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    Visual Evoked Responses (VER) can detect subclinical visual pathway involvement in Multiple Sclerosis (MS). Abnormal VER findings were more frequent than clinical symptoms, aiding early diagnosis.

    Area of Science:

    • Neuroscience
    • Ophthalmology
    • Clinical Neurology

    Context:

    • Multiple Sclerosis (MS) is a demyelinating disease affecting the central nervous system.
    • Visual pathway involvement is common in MS, but clinical detection can be challenging.
    • Visual Evoked Responses (VER) offer a non-invasive method to assess visual pathway function.

    Purpose:

    • To investigate the utility of binocular flash VER in detecting visual pathway abnormalities in patients with definite and probable Multiple Sclerosis.
    • To compare the incidence of abnormal VER findings with the clinical presentation of visual impairment in MS patients.

    Summary:

    • Thirty MS patients (15 definite, 15 probable) underwent bilateral VER testing using binocular flash stimulation.
    • Abnormal VER, characterized by increased latency of specific peaks (Ciganek), was observed in a majority of subjects (73.3% in definite MS, 66.6% in probable MS).

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  • These subclinical findings were present even when clinical involvement was limited to the spinal cord, suggesting VER's sensitivity in detecting early or asymptomatic visual pathway lesions.

    • Impact:

    • VER testing appears to be a valuable tool for identifying subclinical involvement of the visual pathways in Multiple Sclerosis.
    • This technique can aid in earlier diagnosis and more comprehensive assessment of disease progression in MS patients.
    • Findings support the integration of VER into routine neurological assessments for MS.