Patellofemoral Imbalance in a Balanced Total Knee Arthroplasty: How Does it Occur?
| Autor: | Nathaniel Milton Lenz, Scott Kennedy Laster, Ran Schwarzkopf, Neil P. Sheth, Perry J. Evangelista |
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| Rok vydání: | 2018 |
| Předmět: |
Male
musculoskeletal diseases Knee flexion Total knee arthroplasty Patellofemoral joint Prosthesis Design Patellofemoral Joint 03 medical and health sciences Retinaculum 0302 clinical medicine Prosthesis Fitting Humans Medicine Computer Simulation Orthopedics and Sports Medicine Computational analysis Arthroplasty Replacement Knee Aged Balance (ability) Orthodontics 030222 orthopedics business.industry 030229 sport sciences Female Surgery Patella Implant Knee Prosthesis business |
| Zdroj: | The Journal of Knee Surgery. 32:192-195 |
| ISSN: | 1938-2480 1538-8506 |
| Popis: | Despite the overall successful outcomes following primary total knee arthroplasty (TKA) and the concept that a well-balanced TKA yields a more successful result, concerns still remain in the reported literature regarding the patellofemoral joint. Diminished outcomes have been associated with poorly balanced or placed patella implants. The effect of different techniques to achieve flexion–extension balance and the use of posterior stabilized (PS) versus cruciate retaining (CR) implant designs on patellofemoral balancing has not been previously studied. The purpose of this study is to utilize a validated computational analysis software to simulate the effects of varying implant positions and sizes of femoral components. The patellofemoral retinaculum (PFR) load was significantly affected by some conditions, while others did not reach significance. The proximal-distal implant position with knee flexion angle (p |
| Databáze: | OpenAIRE |
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