Is Single-Radius Design Better for Quadriceps Recovery in Total Knee Arthroplasty?
10.5792/ksrr.2015.27.4.240
- Author:
Duk Hyun KIM
1
;
Dong Kyoon KIM
;
Sang Hak LEE
;
Kang Il KIM
;
Dae Kyung BAE
Author Information
1. Department of Orthopaedic Surgery, Center for Joint Diseases and Rheumatism, Kyung Hee University Hospital at Gangdong, Seoul, Korea. drkim@khu.ac.kr
- Publication Type:Evaluation Studies
- Keywords:
Knee;
Arthroplasty;
Prosthesis design;
Quadriceps muscle;
Muscle strength dynamometer
- MeSH:
Arthroplasty;
Follow-Up Studies;
Humans;
Knee;
Muscle Strength Dynamometer;
Prospective Studies;
Prosthesis Design;
Quadriceps Muscle
- From:The Journal of Korean Knee Society
2015;27(4):240-246
- CountryRepublic of Korea
- Language:English
-
Abstract:
PURPOSE: Although single-radius (SR) designs have a theoretical advantage in quadriceps recovery following total knee arthroplasty (TKA), there has been a paucity of objective evaluation studies. MATERIALS AND METHODS: One hundred and twenty minimally invasive TKAs were prospectively randomized by a single surgeon into 2 groups: SR design TKA group and multi-radius design TKA group. Quadriceps force and power were assessed using a dynamometer, and clinical data were investigated preoperatively and 6 weeks, 3 months, 6 months and 1 year postoperatively. RESULTS: There were no differences between two groups in quadriceps recovery and clinical results throughout the follow-up period. Furthermore, the proportion of patients whose postoperative quadriceps force and power reached preoperative level was similar in both groups. CONCLUSIONS: Femoral component design itself would not significantly influence quadriceps recovery after TKA.
