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Safe and effective use of active robotics for TKA: Early results of a multicenter study
Bernard N Stulberg1, Jayson D Zadzilka1, Stefan Kreuzer2
1St. Vincent Charity Medical Center, Cleveland, OH, USA.
Background:
A novel active robotic system for total knee arthroplasty (TKA) performs automated milling of bone surfaces. Study objectives were to assess system safety and effectiveness in a US population.
Methods:
A multicenter clinical trial was conducted, following 115 patients for at least 6-months. A pre-defined list of robot-related adverse events was used to evaluate safety. Efficacy was assessed radiographically comparing planned versus achieved coronal limb alignment.
Results:
No pre-defined adverse events occurred and postoperative limb alignment more than ±3° from plan occurred in 11.2 % of cases.
Conclusion:
Active robotics for TKA is safe and effective as demonstrated in this trial.
