Observational studyJournal of robotic surgery2026
Perioperative safety and accuracy of CT-based fully active burr-based robotic total knee arthroplasty: a retrospective study.
Observational study in Journal of robotic surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors.
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Abstract
backgroundRobotic-assisted total knee arthroplasty (RA-TKA) aims to improve surgical precision with maximum patient safety. This study evaluates the safety and accuracy of the fully active robotic system.
methodsA retrospective observational study of 315 consecutive RA-TKAs was conducted over a period of 15 months. Primary outcomes included safety (neurovascular injury, ligamentous injury, pin-site complications) and accuracy (concordance between preoperative 3D CT planning and fi nal implant size & targeted polyethylene size).
resultsThe robotic procedure was successfully completed in 315cases, and 3 cases were abandoned (n=318). Tibial component size concordance was 100%, while femoral concordance was 98.7%. Target polyethylene thickness (9-11mm) was achieved in 97.8% of cases. Safety outcomes showed zero neurovascular or MCL injuries. Iatrogenic PCL injury occurred in one case (0.32%) following a system interruption. Pin-site discharge(1.6%) was observed exclusively in the fi rst 104 cases, and no cases were reported after transitioning to intra-incisional pin placement. No cases of femoral or tibial overhang were recorded.
conclusionThe CT-based fully active robotic system provides predictable intraoperative accuracy in implant and polyethylene sizing while maintaining a high safety profi le. Refi ning surgical techniques, such as intra-incisional pin placement, signifi cantly reduces minor perioperative morbidity.
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