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Although patellofemoral symptoms after patellar-retaining knee arthroplasty are common, no evidence has been published in the literature on the potential benefit from patellar resurfacing at a later stage. This study evaluates the effect of secondary (delayed) patellar resurfacing using...
Forty-six consecutive polyethylene cups used in cemented first-time revision of the acetabulum were evaluated at repeated occasions up to mean 10.7 years (range, 0.5–16.3 years). At the last follow-up, 3 cups had been revised (6.5%), 2 because of loosening and 1 because of fracture of the...
A laboratory-based study was performed to describe the tibial axis and patellar position relative to the femoral epicondylar (FE) axis during squatting. During the squat, the angle between the tibial and FE axes averaged 90.5°, and 66% of internal rotation of the tibia occurred before 15°...
Long-term follow-up care is needed to evaluate and manage hip and knee arthroplasty outcomes, because impending failure may be asymptomatic. All active American Association of Hip and Knee Surgeons’ members (N = 682) were surveyed for recommendations for follow-up care type and frequency,...
We report an unusual case of recurrent dislocation of posterior stabilized total knee arthroplasty (TKA) secondary to fracture of the polyethylene insert. Recurrent dislocation occurred 21 months after primary TKA. Fractured polyethylene insert was noted as an abnormal radiolucent shadow on...
We present a series of 6 patients with periarticular fractures of the knee that were treated by primary total joint arthroplasty. These fractures around in 6 elderly women, three in the proximal tibia and three in the distal femoral. All the patients had osteoarthritis and osteopenia. In five...
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