ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2026
Sensor-guided robot-assisted TKA more precisely achieves targeted functional knee phenotypes than conventional robotic-assisted technique.
Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Sensor-guided robot-assisted TKA more precisely achieves targeted functional knee phenotypes than conventional robotic-assisted technique.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2026Article
- A comparative study of clinical and radiographic outcomes in total knee arthroplasty assisted by the CT-free Smith & Nephew CORI robotic system versus the Brainlab Knee3 navigation system.Journal of robotic surgery · 2026Article
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4 authors.
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Abstract
purposeThis study conducted a comparison between sensor-guided robotic-assisted (SGR) total knee arthroplasty (TKA) and conventional robotic-assisted (ConR) TKA. The objective was to determine whether the SGR protocol yields superior restoration of targeted knee phenotypes and clinical outcomes.
methodsA total of 77 primary TKAs (July 2023-March 2024) were analyzed, comprising the SGR group (n = 40) and ConR group (n = 37) on the same platform. The SGR group followed a planned asymmetric gap target of 17 mm (medial) and 18 mm (lateral) through bony resection, with subsequent sensor-guided soft-tissue release to achieve L‑FKPext‑neutr/L‑FKPflex‑neutr, medial pressure > lateral pressure and ICPD 0-66.0 N. In contrast, the ConR group targeted symmetric 18 mm gaps and used the sensor for data collection only, without feedback. Bony and laxity phenotypes were recorded. Outcomes included VAS, KSS and a 5‑item satisfaction survey.
resultsThe SGR group achieved higher L-FKPext-neutr/L-FKPflex-neutr rates (p < 0.001) and required more soft tissue releases (85% vs. 43.2%, p < 0.001). At 12 months, SGR group demonstrated superior pain relief (VAS: 1.3 ± 0.9 vs. 1.7 ± 0.6, p = 0.013) and functional outcomes (KSS: 89.2 ± 5.1 vs. 86.9 ± 5.3, p = 0.042). Both groups showed comparable alignment with no complications.
conclusionThe SGR protocol was successful in precisely targeting specific intraoperative bony and laxity phenotypes, without increasing complication risks. Further research is needed to determine if these improvements reach the minimal clinically important difference for long-term postoperative outcomes. LEVEL OF EVIDENCE: Level III.
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