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• W4296030006 abstract "To evaluate the effectiveness of orthopedic robot with modified tracer fixation (short for modified orthopedic robot) assisted percutaneous kyphoplasty (PKP) in treatment of single-segment osteoporotic vertebral compression fracture (OVCF).The clinical data of 155 patients with single-segment OVCF who were admitted between December 2017 and January 2021 and met the selection criteria was retrospectively analyzed. According to the operation methods, the patients were divided into robot group (87 cases, PKP assisted by modified orthopedic robot) and C-arm group (68 cases, PKP assisted by C-arm X-ray fluoroscopy). There was no significant difference in gender, age, body mass index, T value of bone mineral density, therapeutic segment, grade of vertebral compression fracture, and preoperative visual analogue scale (VAS) score, midline vertebral height, and Cobb angle between the two groups (P>0.05). The effectiveness evaluation indexes of the two groups were collected and compared. The clinical evaluation indexes included the establishment time of working channel, dose of intraoperative fluoroscopy, the amount of injected cement, VAS score before and after operation, and the occurrence of complications. The imaging evaluation indexes included the degree of puncture deviation, the degree of bone cement diffusion, the leakage of bone cement, the midline vertebral height and the Cobb angle before and after operation.The establishment time of working channel in robot group was significantly shorter than that in C-arm group, and the dose of intraoperative fluoroscopy was significantly larger than that in C-arm group (P<0.001). There was no significant difference in the amount of injected cement between the two groups (t=1.149, P=0.252). The patients in two groups were followed up 10-14 months (mean, 12 months). Except that the intraoperative VAS score of the robot group was significantly better than that of the C-arm group (P<0.05), there was no significant difference between the two groups at other time points (P>0.05). No severe complication such as infection, spinal cord or nerve injury, and pulmonary embolism occurred in the two groups. Five cases (5.7%) in robot group and 7 cases (10.2%) in C-arm group had adjacent segment fracture, and the difference in incidence of adjacent segment fracture between the two groups was not significant (χ2=1.105, P=0.293). Compared with C-arm group, the deviation of puncture and the diffusion of bone cement at 1 day after operation, the midline vertebral height and Cobb angle at 1 month after operation and last follow-up were significantly better in robot group (P<0.05). Eight cases (9.1%) in the robot group and 16 cases (23.5%) in the C-arm group had cement leakage, and the incidence of cement leakage in the robot group was significantly lower than that in the C-arm group (χ2=5.993, P=0.014). There was no intraspinal leakage in the two groups.Compared with traditional PKP assisted by C-arm X-ray fluoroscopy, modified orthopedic robot-assisted PKP in the treatment of single-segment OVCF can significantly reduce intraoperative pain, shorten the establishment time of working channel, and improve the satisfaction of patients with operation. It has great advantages in reducing the deviation of puncture and improving the diffusion of bone cement.评价改良示踪器固定方式的骨科机器人（以下简称改良骨科机器人）辅助经皮椎体后凸成形术（percutaneous kyphoplasty，PKP）治疗单节段骨质疏松性椎体压缩骨折（osteoporotic vertebral compression fracture，OVCF）的疗效。.回顾分析2017年12月—2021年1月收治且符合选择标准的155例单节段OVCF患者临床资料，根据手术方式分为机器人组（87例，采用改良骨科机器人辅助PKP治疗）和C臂组（68例，采用C臂X线机透视下PKP治疗）。两组患者性别、年龄、身体质量指数、骨密度T值、治疗节段、椎体压缩程度及术前疼痛视觉模拟评分（VAS）、椎体中线高度、Cobb角等一般资料比较差异均无统计学意义（P>0.05）。收集并比较两组疗效评价指标，临床指标包括工作通道建立时间、术中透视剂量及骨水泥注入量、手术前后VAS评分及并发症发生情况，影像学指标包括穿刺偏移程度、骨水泥弥散程度、骨水泥渗漏情况及手术前后椎体中线高度、Cobb角。.机器人组工作通道建立时间明显少于C臂组，术中透视剂量明显大于C臂组（P<0.001）；两组骨水泥注入量差异无统计学意义（t=1.149，P=0.252）。所有患者均获随访，随访时间10～14个月，平均12个月。除机器人组术中VAS评分显著优于C臂组（P<0.05）外，其余各时间点两组VAS评分比较差异均无统计学意义（P>0.05）。两组均无感染、脊髓或神经损伤、肺栓塞等严重并发症发生；机器人组5例（5.7%）、C臂组7例（10.2%）发生相邻节段骨折，发生率比较差异无统计学意义（χ2=1.105，P=0.293）。机器人组术后1 d穿刺偏移程度、术后1 d骨水泥弥散程度以及术后1 个月、末次随访时的椎体中线高度和Cobb角均明显优于C臂组（P<0.05）。机器人组8例（9.1%）、C臂组16例（23.5%）发生骨水泥渗漏，机器人组骨水泥渗漏发生率明显低于C臂组（χ2=5.993，P=0.014）；两组均无椎管内渗漏。.相比传统C臂X线机透视下PKP，改良骨科机器人辅助单节段PKP可明显减轻患者术中疼痛，缩短工作通道建立时间，提高患者手术满意度，在减少穿刺偏移程度和改善骨水泥弥散程度方面具有明显优势。." @default.
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• W4296030006 date "2022-09-15" @default.
• W4296030006 modified "2023-10-01" @default.
• W4296030006 title "[Effectiveness of modified orthopedic robot-assisted percutaneous kyphoplasty in treatment of osteoporotic vertebral compression fracture]." @default.
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• W4296030006 doi "https://doi.org/10.7507/1002-1892.202204013" @default.
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