Hip Arthritis, Hip Osteoarthritis
Conditions
Keywords
Hip Replacement, Hip Arthroplasty, Arthritis, Osteoarthritis, Hip dislocation
Brief summary
The purpose of this study is to investigate and determine the optimal zone for implanting the cup component (the ball that sits in the joint socket) in a total hip replacement. Enrolled participants will have a series of X-rays analyzed before surgery to identify their individual optimal zone or cup orientation. This information will be provided to the operating surgeon, who may use this information to influence the placement of the cup implant. Follow-up X-rays taken after surgery will determine if the cup is within the suggested optimal zone. Questionnaires will be completed before and after surgery, and data on complications or issues with the surgery (including incidents of dislocation) will be collected after surgery.
Interventions
PROCEDUREOptimum Cup Orientation
Participants will have X-rays taken before surgery to determine the target optimal zone for orientation of the cup implant, using EBRA software. The surgeon may or may not implant in this target zone, depending on what they believe is in the patient's best interest. X-rays will be taken at 12 months after surgery to determine if they target cup orientation was achieved.
Sponsors
Ottawa Hospital Research Institute
Study design
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE
Eligibility
Sex/Gender
ALL
Healthy volunteers
No
Inclusion criteria
* Signed up for primary total hip arthroplasty procedures at the General Campus at The Ottawa Hospital.
Exclusion criteria
* Unwilling or unable to complete study requirements (either X-rays or questionnaires) * Unwilling or unable to sign the informed consent form
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Cup Orientation | 12 months after surgery | The degree of cup inclination and anteversion as shown on X-rays |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Change in Patient Reported Function | 12 months | Assess the change in function using the Oxford Hip Score. Total scores range from 0-48. The higher the score, the better the outcome. |
| Change in Patient Reported Pain | 12 months | Assess the change in pain using the Oxford Hip Score. Total scores range from 0-48. The higher the score, the better the outcome. |
| Change in Patient Reported Health | 12 months | Assess the change in general health using the EQ-5D-5L |
| Incidence of Adverse Events | Up to 12 months after surgery | Assess safety and post-operative complications by collecting information on adverse events and serious adverse events |
Countries
Canada
Contacts
Primary ContactClinical Research Coordinator
Outcome results
None listed