Surgical accuracy of image-free versus image-based robotic-assisted total knee arthroplasty
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摘要Background: This study investigated the accuracy in achieving proper lower limb alignment and component positions after total knee replacement (TKR) with image-free and image-based robotic-assisted TKR.Methods: A total of 129 patients (166 knees) suffering from end-stage knee arthritis who underwent TKA operated by robotic-assisted surgery between the years 2018 and mid-2021 were recruited. Radiological outcomes were compared between image-free and image-based robotic-assisted surgical systems.Results: There were significant differences between the two robotic systems when comparing the mean planned component alignment and the mean measured alignment on radiographs, in which the image-free robotic-assisted system was more varus, whereas the image-based robotic-assisted system was more valgus for both the mean femoral and tibial component coronal alignment (p < 0.001). For tibial component sagittal alignment, the image-based group had a larger deviation from the planned posterior slope (p < 0.001).Conclusion: Image-free and image-based robotic assisted TKR had differing accuracy in femoral and tibial alignment.
著者Yee DK, Ng JP, Lau CT, Ho KK, Man GC, Chu VW, Choi TL, Lam GYT, Ong MT, Yung PS
期刊名稱International Journal of Medical Robotics and Computer Assisted Surgery
出版年份2024
月份2
卷號20
期次1
出版社Wiley
文章號碼e2574
國際標準期刊號1478-5951
電子國際標準期刊號1478-596X
語言英式英語
