Abstract
BackgroundTotal knee arthroplasty (TKA) is the appropriate treatment for degenerative pathology of the knee. Implant surveillance is mandatory to improve clinical results. We present the long-term results of a series of consecutive TKA Press Fit Condylar (J&J), cemented fixed bearing with selective patellar resurfacing in nonselected patients.Materials and methodsIn this prospective case series, 223 TKA were clinically and radiographically evaluated using the Hospital for Special Surgery (HSS) knee score and the Knee Society Roentgenographic Evaluation and Scoring System.ResultsThere were 197 patients, with an average age of 68.4 years [95% confidence interval (CI) 52.7–84.1 years]; 49 arthroplasties were implanted in men (21.1%) and 184 (78.9%) in women. The average follow-up was approximately 13.5 years (162.1 months; 95% CI 132.3–191.9), and it was possible to evaluate 179 implants (76.8% of the implanted prosthesis) in 176 patients. The average HSS score increased from 61.5 (95% CI 60.4–62.7) to 89.4 (95% CI 87.7–.93.5) points. The cumulative average survival rate at 15 years (the endpoint being failure with revision) was 90.6% ± 2% standard deviation. Resurfacing the patella did not make a difference in terms of implant survival. Progressive radiolucent lines were observed around 20 implants (14.3%); all were revised.ConclusionsThe PFC system is an excellent prosthetic solution. Early clinical complications, mechanical axis and patellar resurfacing do not correlate with implant failure, whereas progressive radiolucent lines do.
Highlights
Total knee arthroplasty (TKA) is the appropriate treatment for degenerative pathology of the knee
A femoral or tibial stem was used in five cases (2.1%); the patella was replaced in 144 cases (72.9%)
Average follow-up was calculated with respect to the last clinical control and was equal to approximately 13.5 years (162.1 months; 95% confidence intervals (CI) 132.3–191.9 months)
Summary
Total knee arthroplasty (TKA) is the appropriate treatment for degenerative pathology of the knee. Despite the subsequent introduction of rotating and uncemented implants [1,2,3], the cemented models with a fixed bearing still represent the gold standard, with good results and survival reported beyond 10 years [4, 5]. Long-term prospective surveillance of the implants and analysis of the causes of failure are still of interest to knee surgeons. We analysed a series of cemented TKA, with a fixed bearing and selective patellar resurfacing, in nonselected patients operated randomly by different. We present the long-term results of a series of consecutive TKA Press Fit Condylar (J&J), cemented fixed bearing with selective patellar resurfacing in nonselected patients. The cumulative average survival rate at 15 years
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
