机器人辅助全膝关节置换术治疗膝骨关节炎的临床研究

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Abstract

Objective To investigate the early effect of domestic robot-assisted total knee arthroplasty (RATKA) for knee osteoarthritis by a prospective randomized controlled trial.Methods The clinical data of 18 patients who underwent total knee arthroplasty (TKA) from August 2021 to January 2022 were collected.They were divided into traditional TKA group and RATKA group by random number table method，with 9 patients in each group.There were 3 males and 6 females in the traditional TKA group，with an average age of (70.00±10.63) years.And there were 3 males and 6 females in RATKA group，with an average age of (68.22±6.12) years.Operation time，intraoperative blood loss，postoperative days in hospital，postoperative hemoglobin (HB) and hematocrit (HCT) of the two groups were recorded.ROM，KSS score and WOMAC pain，stiffness，and functional scores were used to evaluate knee function and pain.X-rays of both lower limbs were taken to measure the degree of bias of HKA，lateral distal femoral angle (LDFA)，medial proximal tibial angle (MPTA) and joint line convergence angle (JLCA)，expecting to evaluate the lower limb alignment and implant position of prosthesis.Results The operations in both groups were successfully completed.All the incisions healed at stage I and no operative complications occurred.The operation time of the RATKA group was longer than that of the traditional TKA group (P＝0.002)，and there were no significant difference in intraoperative blood loss，postoperative drainage volume，postoperative HB and HCT reduction between the two groups (P＞0.05).After 5 months of follow-up，ROM and KSS scores of knee joint as well as WOMAC pain，stiffness，and functional scores were better in both groups compared with those before surgery.The differences were statistically significant (P＜0.05)，but there were no significant difference in the difference of the above indexes between the two groups (P＞0.05).The postoperative degree of bias of hip-knee-ankle angle of the RATKA group was significantly better than that of the traditional TKA group，with statistically significant difference (P＜0.05).There was no significant difference in postoperative LDFA and MPTA between the two groups (P＞0.05).JLCA in RATKA group was lower than that in traditional TKA group (P＜0.05) and it was closer to the ideal value in RATKA group.Conclusion TKA performed by domestic robot can improve the precision of placement of the prosthesis and the lower limb alignment，and achieve good short-term effectiveness.The long-term effectiveness remains to be further observed.

Key words： total knee arthroplasty robot-assisted knee osteoarthritis

Corresponding Authors: Gui Binjie

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	Articles by authors
	Rong Genxiang
	Zhang Jinling
	Zhang Hongjing
	Tang Zhi
	Shi Liwei
	Zhang Shiyi
	Gui Binjie

Cite this article:

Rong Genxiang,Zhang Jinling,Zhang Hongjing, et al. Clinical Study of Domestic RobotAssisted Total Knee Arthroplasty for Knee Osteoarthritis[J]. sygkzz, 2022, 28(11): 976-.

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http://www.sygkzz.com/EN/ OR http://www.sygkzz.com/EN/Y2022/V28/I11/976

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[1]	. [J]. sygkzz, 2022, 28(9): 837-.