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Supracondylar fracture of the femur above a total knee arthroplasty (TKA) presents a challenging problem to orthopedic surgeons. Closed treatment has been associated with malunion, nonunion and loss of motion whereas early oper- ative treatment has been associated with infection as well as nonunion. From1985 to 1996, 10 patients with ipsilateral supracondylar fracture of the femur after TKA were open reduction and internal fixation with screws and plates and bone grafting. All of the fractures were joined uneventfully except for one case with malunion. There were no post-operative infectios. Using the knee society rating system, the average post-operative knee score for those patients was 75 and the average function score was 68, respectively. All of the femoral compo- nents were well fixed at last follow-up.We look at records of the patients who experienced supracondylar fracture ipsilaterally after TKA, and analyze the incidence, Predisposing factors, fracture pattern, treatment and result. The best results were achieved through open treatment and early rehabilitation, with improving aseptic techniques and new modalities of fixation.

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