• Department of Orthopedics, Sichuan Academy of Medical Science, People’s Hospital of Sichuan Province, Chengdu Sichuan, 610072, P.R.China;
TANG Liuyi, Email: 18981838527@189.cn
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Objective To evaluate the safety and effectiveness of robot-guided percutaneous kyphoplasty (PKP) in treatment of multi-segmental thoracolumbar osteoporotic vertebral compression fracture (OVCF).Methods A clinical data of 63 cases with multi-segmental thoracolumbar OVCF without neurologic deficit treated with PKP between October 2017 and February 2019 were analyzed retrospectively. The patients were divided into robot-guided group (33 cases) and traditional fluoroscopy group (30 cases). There was no significant difference in gender, age, fracture segment, bone mineral density, and preoperative visual analogue scale (VAS) score, midline vertebral height, and Cobb angle between the two groups (P>0.05). The time to establish the tunnel, the times of fluoroscopy, the dose of fluoroscopy, the deviation of puncture, the distribution of bone cement, the leakage of bone cement, the puncture angle, and the postoperative VAS score, midline vertebral height, and Cobb angle were recorded and compared.Results The patients in two groups were followed up 11-13 months (mean, 12 months). Compared with traditional fluoroscopy group, the time to establish the tunnel, the times and dose of fluoroscopy in robot-guided group were significantly lower, the deviation of puncture was slighter, the distribution of bone cement was better, and the puncture angle was larger, the differences between the two groups were significant (P<0.05). There were 8 segments (9.3%, 8/86) of bone leakage in robot-guided group and 17 segments (22.6%, 17/75) in traditional fluoroscopy group, the difference between the two groups was significant (χ2=5.455, P=0.020). There was no significant difference in VAS score, the midline vertebral height, and Cobb angle between the two groups at 2 days after operation and last follow-up (P>0.05).Conclusion Robot-guided PKP in treatment of multi-segmental thoracolumbar OVCF can shorten the operation time, improve the accuracy of puncture, reduce the times and dose of fluoroscopy, reduce the leakage of bone cement, and achieve better cement distribution.

Citation: LIN Shu, HU Jiang, WAN Lun, TANG Liuyi, WANG Yue, YU Yang, ZHANG Wei. Robot-guided percutaneous kyphoplasty in treatment of multi-segmental osteoporotic vertebral compression fracture. Chinese Journal of Reparative and Reconstructive Surgery, 2020, 34(9): 1136-1141. doi: 10.7507/1002-1892.202002131 Copy

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