Hip osteoarthritis Musculoskeletal Diseases Coxarthrosis [arthrosis of hip]
Conditions
Interventions
Patients will be randomly assigned to a total hip replacement procedure using an implant with non-modular neck or using an implant with a modular neck.
Sponsors
University of Warwick (UK)
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients aged older than 18 years, either sex who are able to give informed consent 2. Patients undergoing primary total hip replacement with a cementless femoral stem. 3. Patients who are physically fit to undergo surgery
Exclusion criteria
Exclusion criteria: 1. Patients with concomitant medical problem that will preclude operation 2. Patients with abnormal hip anatomy 3. Patients with spinal deformity
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The proportion of patients in each group who have calculated impingement (calculated in virtual model from the precise orientation of that patient`s hip replacement measured during surgery) inside the intended impingement-free range of movement. Measured at baseline, six week and twelve months. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Oxford Hip Score 2. UCLA 3. EuroQol EQ-5D 4. Disability rating index 5. Clinical leg length and Range of Movement 6. Analysis of lysis / ingrowth patterns in Gruen zones (using AP pelvis for hips and lateral radiographs Measured at baseline, six week and twelve months. | — |
Countries
United Kingdom
Outcome results
None listed