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Ahmad Kamal, Ren Jiang Dong, Rafiqullah Shah, Cao Li


Purpose. The present study aims to assess outcome of periprosthetic fractures after TKA in 21 patients. Methods: The present study was conducted from May 2012 to September 2019 at joint surgery unit Xinjiang Medical University. The records of 21 patients, with age range of 44 to 80 years, were retrieved from the hospital data. These patients operative treatment for periprosthetic fractures of supracondylar femur, tibia andpatella due to low velocity injuries or minor falls. Results: There were 11 males and 10 females included in present study with mean age of 70.48 ± 10 (44 to 80 years), who underwent operative (n=21) treatment fromfor periprosthetic fractures of 20 femoral supracondylar fracture and 1 proximal tibial fracture, due to high-velocity injury (n=3) or minor falls (n=16) and fractures after violent exercise (n=2). The mean time was 42 months (range 13-92 months) from TKA to fracture. The mean range of motion was found to be 93.5º. The mean functional score was 77.14 with a range of 70 to 85, whereas mean knee society knee score was calculated to be 83.66 with a range of 75 to 89. Conclusion: The TKA associated periprosthetic fractures are quite exigent to be managed. They tend to increase with the increasing prevalence of TKA. These fractures can be well managed by revision total knee arthroplasty and some unstable fractures also need open reduction and internal fixation. Key words: arthroplasty, periprosthetic fractures; fractures; total knee arthroplasty.

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