经皮椎弓根钉治疗胸腰椎骨折的临床研究：伤椎单双侧置钉与不置钉

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Abstract Objective To evaluate the effect of percutaneous pedicle screw fixation (PPSF) using three different treatments on thoracolumbar fractures. Methods A total of 63 patients with single-segment thoracolumbar fractures treated with PPSF, without neurological symptoms, and with a Load sharing classification (LSC) score <7 were selected. The patients were divided into Group A (transvertebral fixation), Group B (unilateral pedicle screw fixation), and Group C (bilateral pedicle screw fixation). The clinic data of operative time, bleeding, Visual analog score (VAS), and Oswestry disability index (ODI) were assessed in the three groups. The changes of the Anterior height ratio of injured vertebral (AHRIV) and the Cobb angle of injured vertebral (CAIV) in the sagittal plane were also assessed using imaging techniques. Results There was no statistically significant difference between the three groups in terms of VAS scores at each postoperative follow-up and ODI scores at the last follow-up. In terms of operative time, the differences between the three groups were statistically significant when compared with each other. In terms of bleeding volume, the differences were statistically significant in group C compared with groups A and B, respectively. In terms of AHRIV, there was a statistically significant difference between group A and group C at the last postoperative follow-up, and there was a statistically significant difference between group A compared with its own first postoperative follow-up. In terms of postoperative CAIV loss, there was a statistically significant difference between the two follow-ups in group A, and the difference was statistically significant in group A compared with group B and with group C. Conclusion The use of PPSF for single-segment thoracolumbar fracture with TLSC <7 has achieved good results by performing Unilateral pedicle screw fixation, and can effectively reduce loss of AHRIV and CAIV in the middle and distant stages of repositioning, which can achieve more satisfactory clinical results.

Key words： percutaneous fixation pedicle screw thoracolumbar fracture

Received: 06 September 2022

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	Articles by authors
	MAO Wanfu
	HE Jun
	SU Xiaotao
	LIU Wei

Cite this article:

MAO Wanfu,HE Jun,SU Xiaotao等. Clinical studies of percutaneous pedicle screws in the treatment of thoracolumbar fractures: unilateral, bilateral screws and screw-free in the injured vertebrae[J]. HuNan ShiFan DaXue XueBao(YiXueBan), 2023, 20(1): 61-67.

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http://yxb.hunnu.edu.cn/EN/ OR http://yxb.hunnu.edu.cn/EN/Y2023/V20/I1/61

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