Do We Need Computer Assistance To Improve the Survival of Primary Total Knee Arthroplasty. A Minimum Ten Years Follow-up
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About
The investigators asked: (1) Do computer-assisted total knee arthroplasty (TKAs) provide better alignment and clinical function? (2) Do computer-assisted TKAs provide better survivorship of implants and less complication? and (3) Do correction of the mechanical axis of the lower limb to within 3° of neutral is a prognostic marker for late revision surgery due to aseptic loosening?
Full description
Computer-assisted total knee arthroplasty (TKA) is reported to improve the overall accuracy of positioning of the femoral and tibia components. However, an acceptable target for alignment remains a matter for debate. A mechanical axis within 3° of neutral axis has been used as the primary outcome measure in many clinical trials comparing computer-assisted- and conventional TKA. However, the evidence supporting this arbitrary value is unreliable because previous reports are limited by their small sample size, inadequate radiographs, short follow-up and lack of clarity when defining a margin of accuracy.
Enrollment
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Inclusion criteria
- End stage osteoarthritis of the knee joint who require total knee arthroplasty with bilateral lesions.
Exclusion criteria
- Inflammatory disease
- patient with other Lower extremity disease which may affect functional outcome
- Neurologic disease effecting patients lower extremity
- Revision surgery
- Patient not medically cleared for bilateral surgery
Trial design
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Allocation
Interventional model
Masking
520 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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