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Postanesthetic ulnar neuropathy at the elbow.

L Ekerot

    Scandinavian Journal of Plastic and Reconstructive Surgery
    |January 1, 1977
    PubMed
    Summary

    Postanesthetic ulnar nerve lesions result from mechanical factors like arm malpositioning during surgery. Avoiding extreme elbow flexion and direct pressure can prevent these nerve injuries.

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    Area of Science:

    • Neurology
    • Surgical Complications
    • Orthopedic Surgery

    Background:

    • Postanesthetic ulnar nerve lesions are a recognized complication.
    • These injuries often occur after routine surgical procedures under general anesthesia.
    • The cubital tunnel region is a common site for these nerve lesions.

    Purpose of the Study:

    • To review cases of postanesthetic ulnar nerve lesions.
    • To identify the causes and predisposing factors of these nerve injuries.
    • To recommend preventative measures for avoiding nerve damage during surgery.

    Main Methods:

    • Retrospective review of 19 patients with postanesthetic ulnar nerve lesions.
    • Analysis of patient records and operative procedures.
    • Clinical and potentially radiological assessment of nerve injury location and contributing factors.

    Main Results:

    • Lesions were localized to the cubital tunnel region.
    • Mechanical factors due to arm malpositioning during anesthesia were identified as the cause.
    • Nerve hypermobility was a significant predisposing local factor.
    • Roentgenologic findings of the postcondylar groove did not correlate with injury location.

    Conclusions:

    • Patient positioning during surgery is critical to prevent ulnar nerve injury.
    • Avoiding prolonged extreme elbow flexion and direct pressure over the cubital tunnel is essential.
    • Awareness of nerve hypermobility as a risk factor is important for surgical teams.

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