Routine robotic-assistance for UKA does not significantly affect clinical outcomes in first 2 years .
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Robotic-Arm-Assisted vs Conventional Unicompartmental Knee Arthroplasty. The 2-Year Clinical Outcomes of a Randomized Controlled Trial
J Arthroplasty. 2018 Jul;33(7S):S109-S115. doi: 10.1016/j.arth.2018.02.050139 patients scheduled for unicompartmental knee arthroplasty were randomized to either robotic-assisted or conventional surgery. Patients were assessed for patient-reported outcome measures and the incidence of revision over the first 2 years after surgery. Overall PROMs, with the exception of stiffness on a visual analog scale, did not significantly differ between the two groups at 2 years. In a subgroup analysis of patients with high baseline activity level (UCLA >5), the robotic-assistance group demonstrated significantly better scores on the Oxford Knee Score, American Knee Society Score, the Forgotten Joint Score, and VAS stiffness score.
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