Pediatric Medial Epicondyle Fracture Management

Pediatric medial epicondyle fractures account for a significant proportion of elbow injuries in school-age children, often arising from falls onto an outstretched arm or elbow dislocation. Management hinges on fracture displacement, joint stability and the risk of growth-plate disturbance. Minimally displaced fractures (<2 mm) are typically treated non-operatively with a brief period of immobilisation followed by guided mobilisation to prevent stiffness. Displaced fractures, particularly those with incarceration of the fragment within the joint or associated ulnar nerve symptoms, often necessitate open reduction and internal fixation (ORIF). Surgical techniques have evolved to include cannulated screws or Kirschner wires, with careful attention to fragment reduction, implant prominence and soft-tissue handling. Rehabilitation protocols aim to restore range of motion and strength while minimising complications such as nonunion, malunion, valgus instability and ulnar neuropathy. Emerging imaging studies have refined the differentiation between true fractures and normal variants of epicondylar ossification, reducing unnecessary interventions. A global trend towards evidence-based thresholds for surgery, combined with refined operative positioning and implants, has improved functional outcomes and shortened return-to-sport intervals.

Research from Nature Portfolio

A large multicentre evaluation of open reduction and internal fixation using Kirschner wires in children with medial epicondyle fractures demonstrated excellent clinical and radiological outcomes in over 85 % of cases. Functional scores revealed near-normal elbow flexion and extension, with only minor residual deficits in patients with concomitant dislocation. Revision surgery for nonunion was exceedingly rare, and ulnar nerve function recovered spontaneously in all but one patient. The study affirmed that the presence of elbow dislocation does not significantly alter the final performance score, although those cases showed slightly greater motion deficits. These findings support the safety and efficacy of ORIF with minimally invasive pinning when strict anatomic reduction and stable fixation are achieved.

Pediatric Medial Epicondyle Fracture Management publication trend

The graph below shows the total number of articles in pediatric medial epicondyle fracture management across all publications each year (not limited to Nature Index journals).

Technical terms

Medial epicondyle fracture: A break in the bony prominence on the inner side of the distal humerus where forearm flexor muscles attach.

Open reduction and internal fixation (ORIF): Surgical realignment of bone fragments followed by stabilisation with implants such as screws or wires.

Kirschner wire (K-wire): A thin, rigid pin used to hold bone fragments in position during healing.

Nonunion: Failure of the fracture fragments to heal together within the expected timeframe.

Intra-articular incarceration: Entrapment of a bone fragment within the joint space, impeding movement and healing.

Ulnar neuropathy: Dysfunction of the ulnar nerve, often manifesting as numbness or weakness in the ring and little fingers.

References

1. Clinical and radiological evaluation of surgical treatment of medial epicondyle fractures of humerus in children. A two-centre study. Scientific Reports (2023).
2. Not all that looks fractured is broken—multipartite humeral epicondyles in children. European Radiology (2022).
3. Comparison of outcome between nonoperative and operative treatment of medial epicondyle fractures. Acta Orthopaedica (2020).