Short-term efficacy and learning curve of robot-assisted total knee arthroplasty

Rui HE; Maolin SUN; Ran XIONG; Kai LEI; Junjun YANG; Liu YANG

doi:10.16016/j.2097-0927.202111226

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Short-term efficacy and learning curve of robot-assisted total knee arthroplasty

Clinical Medicine | 更新时间：2026-01-09

- Short-term efficacy and learning curve of robot-assisted total knee arthroplasty
- Journal of Army Medical University Vol. 44, Issue 5, Pages: 476-483(2022)
- 作者机构：
  
  400038 重庆，陆军军医大学(第三军医大学)第一附属医院创伤关节外科，关节外科精准医学重庆市重点实验室
- 作者简介：
- 基金信息：
  
  the National Key Research and Development Program of China(2017YFC0110705)
- DOI：10.16016/j.2097-0927.202111226
  CLC： R615;R687.4
- Received：30 November 2021，
  
  Revised：2021-12-06，
  
  Published：15 March 2022
- 稿件说明：
移动端阅览
Rui HE, Maolin SUN, Ran XIONG, et al. Short-term efficacy and learning curve of robot-assisted total knee arthroplasty[J]. Journal of Army Medical University, 2022, 44(5): 476-483.
DOI：

Rui HE, Maolin SUN, Ran XIONG, et al. Short-term efficacy and learning curve of robot-assisted total knee arthroplasty[J]. Journal of Army Medical University, 2022, 44(5): 476-483. DOI： 10.16016/j.2097-0927.202111226.

摘要

目的

回顾性分析鸿鹄骨科手术机器人(简称机器人)辅助人工全膝关节置换术(total knee arthroplasty

TKA)近期疗效与学习曲线特征。

方法

纳入2020年10月至2021年2月在陆军军医大学第一附属医院关节外科因终末期膝骨关节炎接受TKA手术治疗患者共60例(60膝)，分为机器人组(30例30膝)与传统组(30例30膝)。对比分析两组患者术前及术后3、6个月西安大略和麦克马斯特大学骨关节炎指数(WOMAC)评分、影像学测量指标、手术操作相关指标。对比机器人辅助TKA组学习曲线相关指标的变化趋势，比较处于学习曲线期间两组近期疗效的差异。

结果

机器人组术后3个月WOMAC评分总分优于传统组(

0.05)，术后6个月评分无统计学差异。机器人组术后HKA、FTC优于传统组(

0.05)；机器人组学习曲线为15例，15例之后手术时间等学习曲线指标显著降低(

0.05)；机器人组在学习曲线期，手术时间长于传统组(

0.05)；术中失血量、HKA、FTC优于传统组(

0.05)。

结论

机器人辅助TKA学习曲线短，精准度高，能准确重建下肢力线，创伤较传统手术更小，术后早期临床评分更佳，同期手术耗时也相应延长。

Abstract

Objective

To retrospectively analyze the short-term efficacy and learning curve characteristics of SkyWalker orthopedic robot (hereinafter referred to as robot) assisted total knee arthroplasty (TKA).

Methods

A total of 60 patients (60 knees) who underwent TKA for end-stage knee osteoarthritis in our center from October 2020 to February 2021 were enrolled in this study. They were divided into the robotic group (30 knees) and conventional group (30 knees). The scores of Western Ontario and McMaster University Osteoarthritis Index (WOMAC)

imaging indexes

and operation-related indexes before surgery and 3

6 months after surgery were studied and compared between the 2 groups. The learning curve-related indexes of the robot-assisted TKA group and conventional were compared; the short-term efficacy during the learning curve period between the 2 groups was compared.

Results

The total WOMAC score of the robotic group was better than that of the conventional group at 3 months after surgery (

0.05)

and there was no statistical difference in the score at 6 months after surgery. The postoperative hip-knee-ankle (HKA) angeland frontal tibia component (FTC) angle of the robotic group were better than those of the conventional group (

0.05); the learning curve of the robotic group was 15 cases

and the learning curve indexes after 15 cases were significantly reduced (

0.05); the operation time of the robotic group during the learning curve period was longer than the conventional group (

0.05); intraoperative blood loss

HKA

FTC were better than the conventional group (

0.05).

Conclusion

Robot-assisted TKA has a short learning curve

abtains high accuracy

and can accurately reconstruct the lower limb alignment. It is less traumatic than conventional TKA

better clinical scores in the early postoperative period

but it also requires longer operation time.

关键词

Keywords

references

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