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Nerve accommodation in chronic alcoholic subjects

L Quevedo, J Concha, Z Marchant

    Pharmacology
    |January 1, 1980
    PubMed
    Summary
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    Nerve accommodation is more sensitive to alcohol-induced nerve damage than other measures. This finding suggests nerve accommodation testing can aid in diagnosing and predicting alcoholic neuropathies.

    Area of Science:

    • Neuroscience
    • Clinical Electrophysiology

    Background:

    • Alcoholic neuropathy is a common complication of chronic alcohol abuse.
    • Early detection and monitoring of nerve damage are crucial for effective management.

    Purpose of the Study:

    • To investigate the effects of alcohol on nerve excitability parameters.
    • To determine the sensitivity of nerve accommodation compared to other electrophysiological measures in alcoholic subjects.

    Main Methods:

    • Median nerve excitability was assessed in 50 alcoholic subjects using rectangular and exponentially rising currents.
    • Parameters measured included chronaxie, rheobase, conduction velocity, and nerve accommodation.

    Main Results:

    • A statistically significant decrease in nerve accommodation indexes was observed.

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  • Changes in the slope of the nerve accommodation curve were also detected.
  • Nerve accommodation demonstrated higher sensitivity to alcohol's effects compared to other tested parameters.

    • Conclusions:

    • Nerve accommodation is a sensitive indicator of alcoholic neuropathy.
    • This parameter should be integrated into the diagnostic and prognostic evaluation of alcoholic neuropathies.