Conclusion
TKA
In conclusion, robotic-assisted TKA system in this study is a safe and effective system for TKA. Compared with CON, RAS cannot obtain better clinical and radiographic outcomes for patients with slight preoperative lower extremity alignment deviations; for patients with severe preoperative lower extremity alignment deviations, RAS can help achieve better alignment of the limb axis and prosthesis alignment, but there is no significant difference in clinical outcomes between the two groups. Moreover, we found that preoperative HKA angle deviation affects the postoperative mechanical axis of the leg. We suggest that RAS should be routinely used in patients with severe preoperative lower extremity alignment deviations. Whether RAS has better long-term radiographic and clinical outcomes than traditional surgical techniques needs to be further studied.