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The purpose of this study is to evaluate performance of two modern total knee arthroplasty designs using patient reported outcomes and force exhibited during various activities of daily living.
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48 patients with primary osteoarthritis of the knee who have been appropriately designated for treatment with a total knee arthroplasty (TKA) will be randomly assigned to one of two groups; one group (24 patients) will receive a Depuy Attune PCR knee implant, and one group (24 patients) will receive a MicroPort Orthopedics Evolution Medial Pivot knee implant utilizing standard and modern techniques. These two implants are designed to recreate the kinematic motion of a native knee articulation using different biomechanical design philosophies.
The patients will be monitored post-operatively using subjective and objective measures. Subjective patient reported outcomes will be analyzed using the Knee Injury and Osteoarthritis Outcome Score (KOOS), recorded preoperatively, as well as at 6 weeks, and 3 months postoperatively. Objective outcomes will be measured by having the patients perform four activities over force plates that will measure the amount of force a patient generates. The four activities will be: walking, standing from a seated position in a chair, squatting to a seated position, and walking up stairs. These objective measures will also be recorded preoperatively, 6 weeks, and 3 months postoperatively. The patient reported outcomes and the objective measures will then be compared between the two groups.
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48 participants in 2 patient groups
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Kevin Sagers; Russell Nevins, MD
Data sourced from clinicaltrials.gov
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