Clinical Trial for Surgery of the Ulnar Nerve (SUN) at the Elbow

Who May Qualify: - A clinical diagnosis or suspected diagnosis of isolated ulnar neuropathy at the elbow - Confirmation of ulnar neuropathy using the American Association of Electrodiagnostic Medicine criteria for electrodiagnostic studies at the elbow. (Participants must meet at least 1 of the criteria to be enrolled (absolute motor nerve conduction from above elbow (AE) to below elbow (BE) of less than 50 m/s; An AE to BE segment greater than 10 m/s slower than BE to wrist segment; A decrease in compound muscle action potential (CMAP) negative peak amplitude from BE to AE greater than 20%) - Stated willingness to comply with all study procedures and availability for the duration of the study - Able to read, understand and complete the questionnaires in English Who Should NOT Join This Trial: - Previous elbow fracture requiring surgical fixation - Patients who have not attempted conservative management for UNE (e.g. night splinting) - Subluxation of ulnar nerve on preoperative exam - Recurrent UNE after previous surgery - Concomitant neuropathic conditions such as Carpal Tunnel Syndrome or cervical or brachial plexus abnormalities - Participants with severe comorbid conditions that prohibit surgery Always talk to your doctor about whether this trial is right for you.