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Related Experiment Videos

Brachial plexus lesions in hemiplegics.

R Estapé, D Ferel, R Barth

    Acta Neurologica Belgica
    |January 1, 1979
    PubMed
    Summary

    Traction neuropathy in the brachial plexus may cause muscular atrophy in hemiplegic patients. Electromyography revealed denervation in most cases, suggesting nerve damage due to shoulder joint issues.

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    Area of Science:

    • Neurology
    • Clinical Electrophysiology

    Background:

    • Hemiplegic patients often experience muscular atrophy in the upper limb.
    • The underlying causes of this atrophy require further investigation.

    Purpose of the Study:

    • To investigate the cause of muscular atrophy in the upper limbs of hemiplegic patients.
    • To correlate clinical findings with electrophysiological data.

    Main Methods:

    • Clinical examination of nine hemiplegic patients with upper limb muscular atrophy.
    • Electrophysiological investigation, including electromyography (EMG).

    Main Results:

    • Electromyography showed evidence of denervation in eight out of nine patients.
    • Muscular atrophy was observed in the shoulder girdle or small hand muscles.

    Conclusions:

    • The findings suggest traction neuropathy affecting the brachial plexus and its branches.
    • Spastic or hypermobile shoulder joints may contribute to nerve traction and subsequent atrophy.

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