Kinematics After Total Knee Arthroplasty
| Status: | Withdrawn |
|---|---|
| Conditions: | Arthritis, Osteoarthritis (OA) |
| Therapuetic Areas: | Rheumatology |
| Healthy: | No |
| Age Range: | 40 - 80 |
| Updated: | 4/27/2018 |
| Start Date: | November 2016 |
| End Date: | April 10, 2018 |
Kinematics Following Total Knee Arthroplasty Performed With Different Surgical Alignment Techniques
The purpose of this study is to evaluate and compare implant kinematics of conventional
mechanically aligned and anatomically aligned total knee arthroplasties (TKA) at 1 year
post-operatively.
mechanically aligned and anatomically aligned total knee arthroplasties (TKA) at 1 year
post-operatively.
Participants will be randomized to receive a primary TKA using either an anatomic alignment
or a conventional mechanical alignment technique.
Participants will undergo a kinematic analysis of a deep knee bend using single-plane
fluoroscopy at 1 year post-operatively. The primary outcome will be based on the 6 degree of
freedom kinematics and associated joint component proximity during the knee bend task.
Secondary outcomes include the Knee Society Score, the Knee Injury and Osteoarthritis Outcome
Score, and the Forgotten Knee Score.
or a conventional mechanical alignment technique.
Participants will undergo a kinematic analysis of a deep knee bend using single-plane
fluoroscopy at 1 year post-operatively. The primary outcome will be based on the 6 degree of
freedom kinematics and associated joint component proximity during the knee bend task.
Secondary outcomes include the Knee Society Score, the Knee Injury and Osteoarthritis Outcome
Score, and the Forgotten Knee Score.
Inclusion Criteria:
- Males and females
- Primary arthroplasty for treatment of osteoarthritis
- Age between 40 and 80 years old
- Willingness to provide written consent for study participation
Exclusion Criteria:
- Revision arthroplasty
- Pre-operative knee flexion lower than 90 degrees
- Varus knee deformity greater than 15 degrees
- Pre-operative valgus knee deformity
- Presence of infections, highly communicable diseases or metastatic disease
- Significant neurological or musculoskeletal disorders or disease that may interfere
with normal gait or weight bearing
- Congenital, developmental, or other bone disease or previous hip surgery that may, in
the surgeon's judgment, interfere with total knee prosthesis survival or success
- Presence of previous prosthetic knee or hip replacement device
- BMI > 40
- Pregnant women
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