osteoarthritis, hip, coxartrose, total hip arthroplasty, totale heup prothese, metal-on-metal, metal-on-polyethylene, DEXA, cobalt chromium ions
Conditions
Interventions
Patients in the metal-on-metal group will receive a total hip arthroplasty consisting of a cementless titanium alloy acetabular component with a cobalt-chromium liner (M2a-Magnum™, Biomet) and a cobal
Sponsors
Department of Orthopaedic Surgery,
Martini Hospital, Groningen, the Netherlands;
Departments of Orthopaedic Surgery and Biomedical Engineering, University Medical Center Groningen, University of Groningen, the Netherlands
Eligibility
Inclusion criteria
Inclusion criteria: Patients aged between 18 and 80 with non-inflammatory degenerative joint disease of the hip including osteoarthritis, avascular necrosis and traumatic arthritis, admitted for cementless total hip arthroplasty.
Exclusion criteria
Exclusion criteria: 1. Active infection 2. Revision arthroplasty 3. Marked bone loss precluding adequate fixation 4. Unwillingness of inability to follow instruction.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| - Bone mass density loss and serum metal ion concentrations. | — |
Secondary
| Measure | Time frame |
|---|---|
| - Functional scores - Range of motion - Number of dislocations - Radiographic evaluation - Survival; - Systemic cytokine levels (in progress) | — |
Contacts
Public ContactW.P. Zijlstra
Martini Hospital Department of Orthopaedic Surgery PO Box 30.033
Outcome results
None listed