Gait analysis and electromyography in fixed- and mobile-bearing total knee replacement: a prospective, comparative study
- نوع فایل : کتاب
- زبان : انگلیسی
- مؤلف : Carsten O. Tibesku • Kiriakos Daniilidis • Adrian Skwara • Tobias Dierkes • Dieter Rosenbaum • Susanne Fuchs-Winkelmann
- چاپ و سال / کشور: 2011
Description
Purpose The theoretical superiority of mobile-bearing total knee arthroplasties (TKAs) has not yet been proven in clinical studies. The aim of the current study was to compare and to analyse in a patient population that had received either a fixed or a mobile TKA differences in gait analysis electromyography and clinical scores. Methods In a prospective, randomized, patient- and observer-blinded clinical study, 33 patients with primary osteoarthritis of the knee were included. All patients received a Genesis II total knee replacement. Sixteen patients received a mobile and 17 a fixed-bearing cruciate retaining Genesis II TKA. Clinical and quality-of-life scores, electromyography and gait analysis were applied preoperatively and postoperatively with a follow-up of 24 months. Results In both groups, improvements from pre- to postoperative were detected. whereas the results of gait analysis and electromyography did not show any differences. The results from the clinical and the quality-of-life scores improved from pre- to postoperative, while the Knee Society Score showed a superiority of the mobile-bearing group (mean 159 ± 28) over the fixed-bearing group (mean 134 ± 41). Conclusion No functional advantage of mobile over fixed-bearing TKA was detected, although the mobilebearing group had better clinical results for which a reason could not be found. These results only apply to cruciate retaining mobile-bearing TKA with a bearing which allows both rotation and anteroposterior translation. Level of evidence Prospective comparative study, Level II.
Knee Surg Sports Traumatol Arthrosc DOI 10.1007/s00167-011-1540-y Received: 12 February 2010 / Accepted: 2 May 2011
