Osteoarthritis Musculoskeletal Diseases Arthitis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients require a primary bi- or tri- compartmental knee replacement 2. Patients require unilateral knee replacement 3. Patients have given their voluntary, written informed consent
Exclusion criteria
Exclusion criteria: 1. Patients are going to have revision knee surgery 2. Patients are scheduled to have bilateral knee replacement in one sitting 3. Patients suffer from rheumatoid arthritis, diabetes mellitus, post-traumatic arthritis or any form of neurological disorder that can affect the joint position sense 4. Patients have had or will require a major knee arthrotomy on the other same side within six months period 5. Patients have more than 20 degrees of varus, valgus or flexion deformity
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcome measure for this study will be the improvement in knee motion (as measured by FASTRAK system). This will be done before operation and at three and six months after the operation at bionic laboratory at Hartshill Orthopaedic Surgical Unit. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Proprioception as measured by absolute error angle (this is the difference between actual and perceived angle through which the joint has been moved passively). 2. American knee society score, oxford knee score, EuroQol instrument and the Short Form health survey (SF12) will be recorded before and at three months after the operation. 3. Complications 4. Statistical considerations | — |
Countries
United Kingdom