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Revision of a Failed Hip Arthroplasty with Periprosthetic Nonunion and Extensive Femoral Bone Loss Using a Mega prosthesis-a Case Report

利用訂製式人工關節重建全人工髖關節置換後合併人工關節旁骨折不癒合與大量股骨缺損之病人:一病例報告

並列摘要


Extensive loss of bone stock with nonunion of the periprosthetic fracture of the femur is a disastrous complication after revision total hip arthroplasty. We report a case of nonunion of the femur distal to the loose long-stem femoral component with extensive bone loss around the femoral component. A two-stage reimplantation was performed. The first stage included debridement, removal of the loose prosthesis, open reduction and internal fixation of the nonunion with massive bone grafts. Six months later, a second revision arthroplasty using a cemented extra-long stem tumor prosthesis was performed. At 4 years and 2 months follow-up, the patient was pain free with a good radiological outcome.

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