Introduction: Proximal humeral fracture is a common cause of morbidity in the elderly and poses a challenge for the orthopedic surgeon. Open reduction and internal fixation (ORIF) with a locking plate is associated with high rate of secondary implant-related complications (IRC). Early implant removal could potentially reduce the risk of IRC and further improve the outcome in relatively asymptomatic patients. The purpose of this study was to evaluate the clinical and radiologic outcomes following implant removal. Methods: A total of 56 patients with an average age of 63 ± 13 years and a mean follow-up of 29 months were evaluated retrospectively following removal of a locking plate in the proximal humerus. Postoperative functional outcomes were evaluated with the Constant-Score, Subjective shoulder value and Quick-DASH score. Results: Early implant removal resulted in high functional outcomes with 96% of the patients reporting an improvement of their shoulder function following implant removal. No intraoperative complications were reported. Avascular necrosis (AVN) of the humeral head occurred in 12.5% of the patients, but no secondary screw cut-out was reported. Conclusion: Early implant removal might be a safe option to avoid secondary IRC with significant subjective functional improvement also in asymptomatic patients. Although early implant removal cannot reverse the process of AVN, it could potentially prevent secondary IRC and subsequent glenohumeral cartilage destruction.
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