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ClinicalTrials.gov Identifier: NCT00665210
Verified October 2011 by Ottawa Hospital Research Institute. Recruitment status was: Recruiting
Hip implants come in different sizes. Currently, surgeons predict the implant size that will be needed using an analogue method whereby photos of the implant sizes are overlaid on the x-rays. In this study, we propose to use a digital, computerized method of templating which we expect will be more accurate than the overlay method.
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Ages Eligible for Study:
Child, Adult, Senior
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Patients booked for primary total hip arthroplasty with non-cemented prosthesis
Patients booked for primary total hip arthroplasty with non-cemented prosthesis.
No previous surgery/fractures to acetabulum or femur or hip.
No gross bony abnormality except for osteoarthritis and avascular necrosis.
Cancer or tumor suspected, morbid obesity, revision, previous acetabular/femur/hip surgery, gross bony deformity, calibration bar not completely pictured on radiograph, unsuccessful surgery fracture/cancer/cemented prosthesis used.