• Juan Manuel Concha, Jose Luis Osma, Emilio Fantín, Carolina Concha, and Alvaro Jose Caicedo.
• Departamento de Ciencias Quirúrgicas, Universidad del Cauca, Popayán Colombia; Hospital Susana López de Valencia, Popayán, Colombia. Electronic address: juanconcha@unicauca.edu.co.
• Injury. 2023 Nov 1; 54 Suppl 6: 110805110805.

BackgroundHypertrophic nonunion after intramedullary (IM) nailing and plating is Uncommon and the treatment remained controversial. The aim of this study was to show the result of a simple augmentative lag screws technique for vital non-unions after internal fixation PATIENTS AND METHODS: We retrospectively reviewed the patients with nonunion after internal fixation between January 2016 to August 2022. Patients with unacceptable shortening or deformity were excluded as well as nonunion septic cases. All the patients were followed up for at least 6 months.ResultsSeven patients achieved bony union in a median time of 12 weeks (IRQ 12-16). There was a failure case with persistent non-union and brokerage of the screws.DiscussionVarious techniques have been described to treat non-union after intramedullary nailing or plating. The existing nail is frequently removed, and the non-union site is either re-reamed and re-nailed or fixed with a plate or external fixation devices or rechanged by a nail in the case of plates. In our study of non-union, augmentative lag screws were successfully applied to treat eight patients with aseptic nonunion, resulting in the healing of non-union in all cases except one.ConclusionAugmentative lag screws represent a simple technique for the management of aseptic hypertrophic nonunion after internal fixation with a significantly shorter operating time.Copyright © 2023. Published by Elsevier Ltd.

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