Supracondylar fractures of the femur above total knee arthroplasties with cortical allograft struts |
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Authors: | Wang Jun-Wen Wang Ching-Jen |
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Institution: | Department of Orthopaedic Surgery, Chang Gung Memorial Hospital at Kaohsiung, Taiwan, Republic of China. lee415@adm.cgmh.org.tw |
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Abstract: | Ten supracondylar fractures of the femur above a total knee arthroplasty were treated with open reduction and internal fixation using a metal plate and cortical allograft struts. Failure with nonunion of previous operative treatments was seen in 5 patients. The other 5 patients had either severe osteopenia or comminution of the fracture above the knee prosthesis. At an average of 38 months' follow-up, all the fractures healed with an average union time of 17.6 weeks. The postoperative knee alignment averaged 5.1 degrees valgus. Infection occurred in 1 patient, which resulted in a poor outcome. The remaining 9 patients were functioning well at the most recent follow-up examination. The use of cortical allograft struts combined with a compression plate provided satisfactory results for supracondylar fractures above knee prostheses with severe osteopenia or loss of bone stock after initial failure of internal fixation. |
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