• Tamás Kassai, Marcell Varga, and Gergő Józsa.
• Department of Pediatric Traumatology, Péterfy Hospital, Manninger Jenő National Trauma Center, Budapest, Hungary.
• Medicine (Baltimore). 2022 Jul 29; 101 (30): e29817e29817.

AbstractMedial humeral epicondyle fractures account for 10% to 20% of elbow injuries in children. We hypothesized that in the fixation of medial humeral epicondyle fractures, safety and efficiency of bioabsorbable poly(l-lactide-co-glycolic acid) implant are comparable to traditional metallic and other novel approaches. A retrospective cohort study was performed between 2016 and 2019, analyzing 24 children who had medial humeral epicondyle fractures. Every fracture was stabilized with biodegradable poly(l-lactide-co-glycolic acid) implants (Bioretec® ActivaPin®) and tension band polydioxanone sutures. Indications for surgery included closed fractures with >1 cm dislocation and incarcerated fractures. Postoperatively, the degree of anatomic reduction and the presence or absence of nonunion or fragmentation were confirmed with X-rays. In this clinical study, we evaluated the operation time, age, and gender distribution. The mean age at the time of injury was 12.3 (8-16 years). In the fourth week, every patient's X-ray showed callus formation, and the range of motion of the elbow after 6 months of the operation was almost complete in all children. Transient ulnar nerve palsy was developed in 1 patient, which was spontaneously resolved in the fourth postoperative month. No other complications were observed during the average follow-up period of 34 months (16-60 months). Bioabsorbable pins with absorbable sutures are a good alternative treatment of medial epicondyle humeral fracture. No permanent complications were noted while using this technique. We suggest this method because it does not require a secondary (metal removal) operation.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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