Periprosthetic fractures after total knee arthroplasty(TKA)have become a common complication,a challenging orthopedic problem.Periprosthetic fractures of the proximal tibia are less common than the distal femoral and patellar fractures,the tibial tubercle frac-tures combined with patellar tendon injuries are even rarer in clinical practice,which are rarely described in the medical literature,and their diagnosis and treatment remain a challenge.This paper describes a 74-year-old female with Felix type Ⅳ-A fracture of the right tibi-al tubercle with patellar tendon injury caused by a fall 4 years after TKA for right knee osteoarthritis.The fracture was fixed with an suture-bridge,and the patellar tendon was reconstructed with semitendinous tendon transfer.The patient achieved full active knee extension with-out knee extension retardation 10 months after the revision surgery.In addition,relative literatures were reviewed in this article.
total knee arthroplastyperiprosthetis fracture of the tibiapatellar tendon injurysemitendinous tendon transfer
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