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Year : 2023  |  Volume : 6  |  Issue : 1  |  Page : 73-77

Modified tension band wiring of transverse patella fractures through cannulated cancellous screws: An analysis of functional outcomes and complications

Department of Orthopaedics, SDMCMSH, SDM University, Dharwad, Karnataka, India

Correspondence Address:
Abhishek Gumaste
Department of Orthopaedics, SDMCMSH, SDM University, Sattur, Dharwad - 580 009, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jodp.jodp_58_22

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Introduction: The management of transverse patella fractures with modified tension band wiring using Kirschner wires, though routinely used is associated with complications such as implant loosening, wire migration, and infection. We hypothesized that using cannulated cancellous screws with tension band wiring through the screws will overcome these complications. Objective: The objective was to assess the functional and radiological outcomes following patellar fracture fixation with modified tension band wiring through cannulated cancellous screws. Materials and Methods: Twenty-four patients with transverse patella fractures fixed with modified tension band wiring through cannulated cancellous screws were included in this retrospective study. Surgical technique involved a vertical incision over the knee, reduction of the fracture initial fixation with Kirschner wires, replaced with cannulated cancellous screws. A stainless steel wire was passed through the lumen of the screws, and tension band was applied. Follow-up at 3, 6, and 12 months was done to assess the radiological union. Functional outcome was assessed with the Bostman scoring. Results: The study included 13 male and 11 female patients with an average age of 39.6 years, with 8 three-part and 16 two-part fractures. The average follow-up was 14 months, and the average time to union was 8.5 weeks. Twelve patients had an excellent, 11 patients a good, and one patient an unsatisfactory functional outcome as per the Bostman score. No infection or implant loosening was observed. Conclusion: The technique of patella fracture fixation with modified tension band through cannulated cancellous screws offers an enhanced stability, minimizing the complications such as implant migration, prominent implant, and refracture. As such, we recommend this technique in all transverse patella fractures.

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