|
Journal of Bone and Joint Surgery - British Volume, Vol 90-B, Issue 9,
1172-1179.
doi: 10.1302/0301-620X.90B9.21031 Copyright © 2008 by British Editorial Society of Bone and Joint Surgery Patient-reported outcomes after fixed- versus mobile-bearing total knee replacementA MULTI-CENTRE RANDOMISED CONTROLLED TRIAL USING THE KINEMAX TOTAL KNEE REPLACEMENTV. Wylde, BSc, Research Assistant1; I. Learmonth, FRCS, Professor of Orthopaedic Surgery1; A. Potter, BSc, Research Nurse2; K. Bettinson, MSc, Research Nurse3; and E. Lingard, BPhty, MPhil, MPH, Research Co-ordinator School of Surgical and Reproductive Sciences (Trauma and Orthopaedics)4
1 University of Bristol, Bristol Implant Research Centre, Avon Orthopaedic Centre, Southmead Hospital, Bristol BS10 5NB, UK. Correspondence should be sent to Miss V. Wylde; e-mail: V.Wylde{at}bristol.ac.uk
We compared patient-reported outcomes of the Kinemax fixed- and mobile-bearing total knee replacement in a multi-centre randomised controlled trial. Patients were randomised to the fixed- or the mobile-bearing prosthesis via a sealed envelope method after the bone cuts had been made in the operating theatre. Randomisation was stratified by centre and diagnosis. Patients were assessed pre-operatively and at eight to 12 weeks, one year and two years post-operatively. Validated questionnaires were used which included the Western Ontario MacMasters University, Short-Form 12, Mental Health Index-5, Knee Injury and Osteoarthritis Outcome Score for Knee-Related Quality of Life and Function in Sport and Recreation scales and a validated scale of satisfaction post-operatively. In total, 242 patients (250 knees) with a mean age of 68 years (40 to 80) were recruited from four NHS orthopaedic centres. Of these, 132 patients (54.5%) were women. No statistically significant differences could be identified in any of the patient-reported outcome scores between patients who received the fixed-bearing or the mobile-bearing knee up to two-years post-operatively.
|
|


