Purpose. To report the results of surgical management for late-presenting displaced supracondylar fractures of the humerus in children. Methods . Between February 2002 and June 2003, 40 children (mean age, 7 years) with late presentation (range, 2-12 days) of displaced supracondylar humeral fractures were prospectively recruited. Gentle closed manipulation under image intensification was attempted in all patients, except one with a compound open fracture. Manipulation was successful in 25

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... ts and percutaneous skeletal stabilisation with Kirschner wires was performed. The remaining 15 patients were treated with open reduction and Kirschner wire fixation, using a mediolateral approach. Results. The mean delay in presentation was approximately 4 days. No patients presenting more than 7 days after injury had the fracture reduced by closed manipulation. The mean hospital stay was 41 hours. At the final follow-up (mean, 18 months), 88% Journal of Orthopaedic Surgery 2007;15(2):177-82 of the patients had a satisfactory result, according to Flynn's criteria. Conclusion. Operative treatment for late presentation of supracondylar humeral fractures in children is effective. It minimises the risk of complications and the need for continuous traction or corrective osteotomy.