Osteoarthritis (OA) of the KneeFractureRheumatoid Arthritis
Investigational drug(s) / intervention(s)
total knee arthroplasty device
total knee arthroplasty device: total knee arthroplasty device with ultracongruent bearing surface
Study summary
To collect information about implant performance and patient clinical outcomes in patients undergoing primary total knee arthroplasty with the LinkSymphoKnee total knee replacement system with ultra-congruent tibial bearing surface.
Eligibility
Sex
ALL
Min age
18 Years
Max age
79 Years
Healthy volunteers
No
Inclusion Criteria:
* 18 years or older, and skeletally mature; and
* Undergoing a primary TKA for one or both knees using the cemented LinkSymphoKnee knee system as part of the surgeon's standard of care.
* Able to read and understand English (because patient-reported outcome questionnaires are not validated for all potential other languages).
Exclusion Criteria:
* 80 years of age or older,
* Women who are pregnant at the time of surgery,
* History of joint sepsis,
* Bone defect that requires grafting,
* Previous history of bone disease (e.g., severe osteoporosis or osteomalacia) which in the surgeon's opinion is severe enough to compromise device fixation,
* Systemic conditions affecting bone density (e.g., inflammatory arthritis or renal disease) which in the surgeon's opinion are severe enough to compromise device fixation,
* A poorly functioning contralateral total knee replacement or a contralateral revision regardless of function.
Primary outcome measure(s)
Knee Injury and Osteoarthritis Outcome Score - Joint Replacement (KOOS-JR) - change from baseline — 1 year postoperative Patient-reported outcome measure (PROM) that assesses knee health based on questions about pain, stiffness, function, and daily activities. Minimum score = 0. Maximum score = 100. Higher score means a better outcome.
Revision rate — 5 years postoperative Evaluates how often patients require additional surgery to remove or replace the knee arthroplasty device components.
This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
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