Correlation between preoperative and postoperative knee kinematics in total knee arthroplasty using cruciate retaining designs.
The authors evaluated the relationships between preoperative and postoperative kinematics in 50 osteoarthritic knees scheduled for cruciate retaining total knee arthroplasty with regards to posterior femoral roll back and external femoral rotation using a navigation system from 10° to 120° of knee flexion. Although posterior femoral roll back was maintained, external femoral rotation was significantly decreased compared to those of the preoperative knee after total knee arthroplasty. However, the amount of posterior roll back and external femoral rotation after total knee arthroplasty were found to be significantly positively related to those measured preoperatively (r = 0.62 and 0.57, respectively). These significant kinematic correlations may explain why preoperative range of knee motion influences range of motion after total knee arthroplasty.
Seon
Jong Keun
JK
Center for Joint Disease, Chonnam National University Hwasun Hospital, Jeonnam, Korea.
Park
Ju Kwon
JK
Jeong
Mun Su
MS
Jung
Woo Bin
WB
Park
Kyung Soon
KS
Yoon
Taek Rim
TR
Song
Eun Kyoo
EK
D000368:Aged; D019645:Arthroplasty, Replacement, Knee / Q000379:methods* / Q000534:rehabilitation; D001696:Biomechanical Phenomena; D005260:Female; D006801:Humans; D007719:Knee Joint / Q000503:physiopathology / Q000601:surgery*; D007720:Knee Prosthesis; D008297:Male; D020370:Osteoarthritis, Knee / Q000503:physiopathology / Q000601:surgery; D016119:Posterior Cruciate Ligament / Q000601:surgery*; D011183:Postoperative Complications; D057234:Preoperative Period; D011474:Prosthesis Design; D016059:Range of Motion, Articular; D016896:Treatment Outcome