• Simon Scherer, Markus Dietzel, Nicole Jordan, Ilias Tsiflikas, Hans Joachim Kirschner, Jörg Fuchs, and Justus Lieber.
• Department of Pediatric Surgery and Pediatric Urology, University Children's Hospital, University Hospital Tuebingen, Hoppe-Seyler-Str. 3, 72070 Tuebingen, Germany. Electronic address: simon.scherer@med.uni-tuebingen.de.
• Injury. 2021 Aug 1; 52 (8): 2257-2264.

AbstractPurpose The optimal management of medial humeral epicondyle fractures continues to be debated since decades. This single center study analyzes changes and optimizations of treatment over an observation period of 16 years and reports the results. Materials and Methods Retrospective analysis of all patients treated with a medial humeral epicondyle fracture between 2005 and 2020 at our institution. Results Ninety-six patients (mean 9.3 years, range 1 - 15) were included in the study. In 25 cases (26 %), the fracture was associated with an elbow dislocation. Most patients received surgical treatment (83.3 %), whereas 17.7 % were treated nonoperatively. Surgical treatment consisted of open reduction and fixation with compression screw (n = 44 steel, n = 2 absorbable), K-wire (n = 30), a combination of screw/K-wire (n = 2), or a PDS suture (n = 1). Compression screws have been used significantly more often in the latter half of the study period (p = 0.006). Patients were immobilized in a long arm cast for 29 days (range 11 - 50). Eleven surgically treated patients were early mobilized in an elbow orthosis. After a mean follow up of 7.6 months [2 - 61), Mayo elbow performance index (MEPI) outcome was excellent in all 96 patients. Loss of elbow movement (LOM) was found to be mild in 30 and moderate in 15 patients. LOM was found to be associated with surgical treatment (p = 0.001), and with concomitant elbow dislocations (p = 0.29). One pseudarthrosis occurred after conservative treatment. A persistence of ulnar nerve palsy or recurrent joint instability has not been described. Conclusion Most children with medial humeral epicondyle fractures nowadays undergo surgery. Screw osteosynthesis represents the increasingly preferred method in order to prevent joint instability or non-union, and to allow shorter immobilization duration. Overall results after medial epicondyle fractures are good.Copyright © 2021. Published by Elsevier Ltd.

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