经皮伤椎植骨及椎弓根螺钉内固定术治疗胸腰椎骨折椎体中央高度恢复的临床观察

doi:10.13418/j.issn.1001-165x.2024.6.14

Abstract

Abstract: Objective To investigate the effect of bone grafting and pedicle screw internal fixation on the recovery of central vertebral height after thoracolumbar fracture and its clinical observation. Methods From January 2012 to December 2019, 89 patients with single-segment thoracolumbar fracture were admitted to our hospital, all of whom had single vertebral fracture T11~L2 (AO type A). Patients were divided into 3 groups according to different treatment methods: a trans-injured vertebra fixation and bone grafting group (n=15), a trans-injured vertebra fixation group (n=58), and a cross injury vertebral fixation group (n=16). The anterior vertebral body height (Ha), central vertebral body height (Hm), posterior vertebral body height (Hp) and kyphosis Cobb Angle of the injured vertebra were measured. The Ha loss rate, Hm loss rate and kyphosis Cobb Angle loss rate were statistically compared and analyzed in the last follow-up, and the recovery of vertebral height and kyphosis Angle after treatment was observed. Results The Ha compression rate, Hm compression rate and Cobb Angle of 89 patients after operation and at the last follow-up were significantly improved compared with those before operation, with significant differences (P<0.05). However, in the last follow-up, Hm loss rate (7.73±5.26) % in the trans-injured vertebra fixation and bone grafting group and Hm loss rate (11.71±11.15) % in the trans-injured vertebra fixation group were both lower than that in the cross injury vertebral fixation group (19.81±8.50) %, with significant significance (P<0.05). Hm loss rate in the trans-injured vertebra fixation and bone grafting group was lower than that in the simple injured vertebra fixation group, and there was similar statistical difference between them (P=0.052). Conclusions Percutaneous pedicle screw fixation in the treatment of thoracolumbar fractures can promote the recovery of the anterior and central height of the fractured vertebra, and the injured vertebral bone graft pedicle screw internal fixation in combination with vertebral body bone graft is more effective to prevent the loss of the central height of the injured vertebra

Key words: Thoracolumbar fracture; , , Fracture type; , Central height of vertebral body; , Screw placement for injured vertebra; , , Bone graft through vertebral arch

CLC Number:

R681.5

Ren Tao, Qu Dongbin, Zheng Minghui, Ma Yangyang, Chen Yonghe, Li Jianlong. Clinical observation of vertebral height after percutaneous bone grafting and pedicle screw fixation for thoracolumbar vertebral fracture[J]. Chinese Journal of Clinical Anatomy, 2024, 42(6): 690-694.

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Clinical observation of vertebral height after percutaneous bone grafting and pedicle screw fixation for thoracolumbar vertebral fracture

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