BACKGROUND:There are conflicting results for robot-assisted (RA) pedicle screw fixation compared with freehand (FH) pedicle screw fixation. OBJECTIVE:This study was designed to retrospectively compare the accuracy and efficacy of RA percutaneous pedicle screw fixation and traditional freehand FH pedicle screw fixation in the treatment of thoracolumbar fractures. METHODS:A total of 26 cases were assigned to the RA group, and 24 cases were assigned to the FH group. The operation time, bleeding volume, and visual analog scale (VAS) score 1 day after the operation, and the anterior/posterior (A/P) vertebral height ratio of the injured vertebrae at 3 days and at internal fixation removal 1 year after the operation were compared between the two groups. Pedicle screw position accuracy was assessed according to Gertzbein criteria. RESULTS:The operation times of the RA group and FH group were 138.69 ± 32.67 minutes and 103.67 ± 14.53 minutes, respectively, and the difference was statistically significant. The intraoperative blood loss was 49.23 ± 22.56 ml in the RA group and 78.33 ± 23.90 ml in the FH group, and the difference was statistically significant. There was a significant difference in the A/P vertebral height ratio of the injured vertebrae 3 days after the operation compared with before the operation in both groups (P < 0.05). There was a significant difference in the A/P vertebral height ratio of the injured vertebrae 3 days after the operation compared with that at fixation removal in both groups (P < 0.05). CONCLUSION:The application of RA orthopedic treatment for thoracolumbar fractures can achieve good fracture reduction.

中文翻译：

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基于1年随访观察的机器人辅助手术与传统手术治疗胸腰椎骨折的对比研究

背景：与徒手（FH）椎弓根螺钉固定相比，机器人辅助（RA）椎弓根螺钉固定的结果存在矛盾。【摘要】：目的:回顾性比较RA经皮椎弓根螺钉内固定与传统徒手FH椎弓根螺钉内固定治疗胸腰椎骨折的准确性和疗效。方法：RA组26例，FH组24例。术后1天的手术时间、出血量、视觉模拟量表（VAS）评分，以及术后3天和术后1年拆除内固定时受伤椎体的前/后（A/P）椎体高度比比较两组手术情况。根据 Gertzbein 标准评估椎弓根螺钉位置精度。结果：RA组和FH组手术时间分别为138.69±32.67分钟和103.67±14.53分钟，差异有统计学意义。RA组术中出血量为49.23±22.56 ml，FH组为78.33±23.90 ml，差异有统计学意义。两组术后3 d损伤椎体A/P椎体高度比值与术前比较，差异有统计学意义（P < 0.05）。两组术后3 d损伤椎体A/P椎体高度比值与拆除固定时比较，差异有统计学意义（P < 0.05）。结论:应用RA骨科治疗胸腰椎骨折可以取得良好的骨折复位效果。分别为69±32.67分钟和103.67±14.53分钟，差异有统计学意义。RA组术中出血量为49.23±22.56 ml，FH组为78.33±23.90 ml，差异有统计学意义。两组术后3 d损伤椎体A/P椎体高度比值与术前比较，差异有统计学意义（P < 0.05）。两组术后3 d损伤椎体A/P椎体高度比值与拆除固定时比较，差异有统计学意义（P < 0.05）。结论:应用RA骨科治疗胸腰椎骨折可以取得良好的骨折复位效果。分别为69±32.67分钟和103.67±14.53分钟，差异有统计学意义。RA组术中出血量为49.23±22.56 ml，FH组为78.33±23.90 ml，差异有统计学意义。两组术后3 d损伤椎体A/P椎体高度比值与术前比较，差异有统计学意义（P < 0.05）。两组术后3 d损伤椎体A/P椎体高度比值与拆除固定时比较，差异有统计学意义（P < 0.05）。结论:应用RA骨科治疗胸腰椎骨折可以取得良好的骨折复位效果。且差异有统计学意义。RA组术中出血量为49.23±22.56 ml，FH组为78.33±23.90 ml，差异有统计学意义。两组术后3 d损伤椎体A/P椎体高度比值与术前比较，差异有统计学意义（P < 0.05）。两组术后3 d损伤椎体A/P椎体高度比值与拆除固定时比较，差异有统计学意义（P < 0.05）。结论:应用RA骨科治疗胸腰椎骨折可以取得良好的骨折复位效果。且差异有统计学意义。RA组术中出血量为49.23±22.56 ml，FH组为78.33±23.90 ml，差异有统计学意义。两组术后3 d损伤椎体A/P椎体高度比值与术前比较，差异有统计学意义（P < 0.05）。两组术后3 d损伤椎体A/P椎体高度比值与拆除固定时比较，差异有统计学意义（P < 0.05）。结论:应用RA骨科治疗胸腰椎骨折可以取得良好的骨折复位效果。且差异有统计学意义。两组术后3 d损伤椎体A/P椎体高度比值与术前比较，差异有统计学意义（P < 0.05）。两组术后3 d损伤椎体A/P椎体高度比值与拆除固定时比较，差异有统计学意义（P < 0.05）。结论:应用RA骨科治疗胸腰椎骨折可以取得良好的骨折复位效果。且差异有统计学意义。两组术后3 d损伤椎体A/P椎体高度比值与术前比较，差异有统计学意义（P < 0.05）。两组术后3 d损伤椎体A/P椎体高度比值与拆除固定时比较，差异有统计学意义（P < 0.05）。结论:应用RA骨科治疗胸腰椎骨折可以取得良好的骨折复位效果。两组术后3 d损伤椎体A/P椎体高度比值与拆除固定时比较，差异有统计学意义（P < 0.05）。结论:应用RA骨科治疗胸腰椎骨折可以取得良好的骨折复位效果。两组术后3 d损伤椎体A/P椎体高度比值与拆除固定时比较，差异有统计学意义（P < 0.05）。结论:应用RA骨科治疗胸腰椎骨折可以取得良好的骨折复位效果。