• Roshan Raghavan, Alistair Jones, and Amitabh J Dwyer.
• Orthopaedic Surgery, Borders General Hospital, Huntlyburn Melrose TD6 9BS, Scotland, UK.
• Orthop Traumatol Sur. 2019 Jun 1; 105 (4): 739-745.

BackgroundDisplaced lateral humeral condyle fractures in children are usually treated with open reduction and internal fixation. When treated operatively with Kirschner wires, the bent cut near side wire ends are either buried in the subcutaneous tissue or are left exposed. It is believed that burying the wires allows them to remain in longer and hence facilitate better union. Leaving them exposed seems to necessitate earlier removal, especially to reduce the risk of wire tract infection. There is not a clear consensus in published literature whether subcutaneous wire burial is better or not.Patients And MethodsA systematic review of literature was performed using online database EMBASE, Pubmed, Medline, CINAHL and Cochrane database. The inclusion criteria comprised only those studies that compared lateral humeral condyle fracture fixation in children with wires buried subcutaneously versus those left exposed to skin.ResultsOf the four studies identified, three reported that it was safe to leave the wires exposed and that there was no statistically significant advantage of burying the wires with regards to risk of infection. However, our meta-analysis of the four studies demonstrated on forest plot charts that there is an increased risk of infection when the wires are left exposed (odds ratio 0.538 CI 0.437-0.639), but the overall complication rate was less in the group treated with exposed wires. Treatment with exposed wires was also cost effective when compared to treatment with buried wires.DiscussionOur review concluded that despite a higher risk of superficial infections, exposed wires are safe and an economical option when fixing lateral humeral condyle fractures in children.Level Of EvidenceII, systematic review.Copyright © 2019 Elsevier Masson SAS. All rights reserved.

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