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  • Title: Megaprosthesis in distal femur nonunions in elderly patients-experience from twenty four cases.
    Author: Rajasekaran RB, Palanisami DR, Natesan R, Jayaramaraju D, Rajasekaran S.
    Journal: Int Orthop; 2020 Apr; 44(4):677-684. PubMed ID: 31392494.
    Abstract:
    PURPOSE OF THE STUDY: To evaluate the outcomes and complications using cemented megaprosthesis in elderly patients with distal femur nonunions (DFN). MATERIALS AND METHODS: Between 2012 and 2016, 24 patients of DFN with an average age of 71.8 years (66-83) and an average 1.9(1-3) prior surgery was managed with distal femur replacement using cemented modular endoprosthesis. Outcomes were analysed on the following criteria: implant status, complications, knee range of motion, Knee Society Score (KSS) and Musculoskeletal Tumor Society (MSTS) score. RESULTS: All patients were extremely satisfied with their outcomes. At an average 22.1 months (10-43) follow-up, patients had an average 69.5° (40°-110°) knee flexion, an average KSS of 75.7 (63-88) and an average MSTS score of 19.3 (17-25). Four patients died at an average 21.3 months after surgery due to causes unrelated to the fracture. One patient (4.1%) had implant-related complication; deep infection which required debridement and intravenous antibiotics. There were no late amputations or peri-operative deaths and no patient had aseptic loosening of components. CONCLUSION: By permitting immediate full weight-bearing ambulation and with most patients returning to an acceptable functional status, cemented megaprosthesis is a viable and useful single-stage management option in elderly patients with DFN.
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