Purpose: The purpose of this study was to determine if patients who have undergone prior open or arthroscopic shoulder surgery and develop distal mononeuropathy (DMN) achieve the same clinical benefit after nerve release compared with those who did not have a prior shoulder procedure.
Methods: Patients were identified by Current Procedural Terminology code for shoulder arthroplasty, shoulder stabilization, and rotator cuff repair and if they had an ensuing nerve release (cubital or carpal tunnel) within 2 years of shoulder surgery. Another cohort that underwent nerve release surgery for DMN with no prior history of shoulder surgery was identified and subsequently matched to the first cohort by a 3:1 (control:case) ratio. Patients were included if they were over the age of 18 years. Chart reviews and surveys stored using REDCap were used to collect demographics, surgical history, EMG/nerve conduction velocity results, postoperative symptoms, and patient-reported outcomes with a minimum 2-year follow-up.
Results: In total, 120 patients were included in this analysis (28 cases, 92 controls). The most common nerve release for DMN across both cohorts was open carpal tunnel release. Following nerve release, the case group had more postoperative persistent numbness/tingling than the control group. Both groups were similar with regard to postoperative pain, weakness, or patient-reported outcome measures. Residual postoperative numbness following nerve release was more likely to occur in the forearm for the case group than the control group.
Conclusions: Patients with a history of arthroscopic rotator cuff repair and reverse total shoulder replacement shoulder surgery before the presentation of DMN are more likely to experience persistent numbness or tingling after nerve release surgery as well as experience symptoms in the forearm than those without prior shoulder surgery.
Type Of Study/level Of Evidence: Symptom prevalence retrospective study III.
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| http://dx.doi.org/10.1016/j.jhsa.2024.09.013 | DOI Listing |
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