Interest of a highly cross-linked polyethylene acetabular component doped with vitamin E in total hip arthroplasty of the young and active subject.
Patient aged 18 to 65 years,
Who have signed their consent to participate in the study,
For whom an indication for total hip arthroplasty has been given
History of hip surgery
Indication for a dual mobility prosthesis (obese patient, dynamic spino-pelvic anomaly)
Hip dysplasia
Inflammatory rheumatic disease or any other progressive concomitant condition that may impact the patient's vital or functional prognosis
Parallel
Prosthesis with CoPXE couple.
DeviceProsthesis with a second-generation ceramic-on-highly cross-linked polyethylene (CoPXE) couple.
Prosthesis with CoC torque.
DeviceProsthesis with ceramic-on-ceramic (CoC) torque.
five-year wear thickness of the two friction pairs
The primary endpoint is the five-year wear thickness of the two friction pairs (CoPXE versus CoC) after total hip arthroplasty. Wear thickness is the measurement of the penetration of the femoral head into the acetabular component. This measurement will be performed on frontal pelvic radiographs centred on the pubic symphysis using the semi-automatic computer-assisted technique described by Martell
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