ArticleJournal of robotic surgery2025
Robotic-assisted total knee arthroplasty provides better joint line and posterior condylar offset restoration than conventional total knee arthroplasty: a retrospective study of radiological outcomes.
Article in Journal of robotic surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Comparative analysis of HURWA versus MAKO robotic-assisted TKA: a prospective cohort study of surgical accuracy and clinical outcomes.Journal of robotic surgery · 2026Article
- Imageless robotic-assisted system is associated to effective restoration of the joint line and posterior condylar offset in revision total knee arthroplasty.Archives of orthopaedic and trauma surgery · 2025Article
- Critical appraisal of "robotic-assisted versus conventional total knee arthroplasty for joint line and posterior condylar offset restoration".Journal of robotic surgery · 2025Article
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Authors and funding
7 authors.
Funding
Abstract
To evaluate the radiologic outcomes between robot-assisted total knee arthroplasty (raTKA) and conventional total knee arthroplasty (cTKA), focusing on joint line height (JLH) and posterior condylar offset (PCO). This retrospective study analyzed 200 patients who underwent TKA from April 2020 to October 2024. In this study, a total of 200 patients were included, 79 raTKA patients matched with cTKA patients were divided into raTKA group and cTKA group. Radiologic parameters, including JLH, adductor tubercle joint line (ATJL), coronal femoral width (CFW), PCO, adductor ratio, PCO ratio, and hip-knee-ankle (HKA) angle, were measured pre- and postoperatively. In raTKA group, no significant differences were observed in JLH (11.57 ± 4.47 mm vs. 11.85 [9.40-14.85] mm, p = 0.405) and PCO values for (30.47 ± 3.42 mm vs. 30.09 ± 3.05 mm, p = 0.151) postoperatively compared to preoperative values, while the HKA angle showed a significant difference (7.67 ± 7.72 vs. 2.00 (1.00-3.00), p < 0.001). Among the other parameters, significant differences were observed in the adductor ratio and CFW, while no significant differences were observed in the remaining variables. In contrast, in cTKA group, significant differences were observed in JLH (11.39 ± 3.20 mm vs. 13.22 ± 3.37 mm, p < 0.001), PCO (30.78 [28.69-32.66] mm vs. 30.24 ± 3.21 mm, p = 0.035), and HKA angle (9.00 [6.00-12.00]° vs. 3.07 ± 2.71°, p < 0.001), along with significant differences in all other measured parameters except ROM. Our research suggests that raTKA provides more precise postoperative alignment and better restores the JLH and PCO after surgery. However, conventional TKA fails to restore JLH and PCO. Level Evidence: III.
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