Simple Decompression and Occasional Microsurgical Epineurolysis under Local Anesthesia as Treatment for Ulnar Neuropathy at the Elbow

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Abstract
Decompression of the ulnar nerve in the cubital tunnel will reverse ulnar neuropathy at the elbow in most patients. We believe that operating under local anesthesia has allowed us to identify those few patients who will not respond to simple decompressive surgery. Among the 20 cases of ulnar neuropathy managed in this fashion, intraoperative motor-sensory improvement occurred after simple decompressive surgery in 16. Four patients who failed to improve after cubital tunnel decompression underwent microsurgical epineurolysis immediately thereafter, under the same local anesthetic, with prompt improvement. Local anesthesia and microsurgical epineurolysis seem to be useful adjuncts to simple decompressive surgery for ulnar neuropathy.

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