Abstract

Abstract Introduction: Periprosthetic distal femur fractures have been on the rise with an increasing number of total knee arthroplasties being performed. In addition to regular fixation principles in distal femur fractures, periprosthetic fractures pose additional challenges due to osteoporotic bone and preexisting medical comorbidities. Materials and Methods: We retrospectively analyzed 31 patients who underwent surgical fixation with a locking plate using a minimally invasive technique for periprosthetic distal femur fractures at a single level 1 orthopedic hospital for 4 years. Results: Out of the 31 patients included in the study, 21 were female. The mean age of the study population was 65.63 years, ranging from 51 to 82 years. The mean time to union was 14.32 weeks, with a range from 12 to 22 weeks. The average Knee Society Score was 78.2, which is considered a good outcome. There was one case of implant failure in our case series, which could be attributed to immediate weight bearing. Conclusion: In conclusion, we found that fixation of supracondylar femur fractures associated with stable nonstemmed total knee arthroplasty with a locking plate using a minimally invasive technique yielded good results.

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