Percutaneous pedicle screw internal fixation repairs single segment of thoracolumbar fracture: activity improvement during 12 months of follow-up

doi:10.3969/j.issn.2095-4344.2016.09.004

Abstract

Abstract:

BACKGROUND: Studies have shown that percutaneous pedicle screw internal fixation in repair of single segment of thoracolumbar fracture can overcome quadrilateral effect, get better biomechanical properties, meanwhile, it also can provide three-point fixation, reduce suspension effect, and reduce the formation of kyphosis.
OBJECTIVE: To investigate the clinical efficacy and incidence of complications of the percutaneous pedicle screw internal fixation for treatment of single segment thoracolumbar fractures.
METHODS: Totally 36 patients with single segment thoracolumbar fractures treated by percutaneous pedicle screw internal fixation were enrolled. A total of 36 vertebral bodies were treated: T11=5, T12=8, L1=17, L2=6. The visual analog scale scores before treatment and at 3, 6 and 12 months after treatment, the Oswestry disability indexes before treatment, at the first week and at the 12th month after treatment, the Cobb angle before treatment, the first day and at the 12th month after treatment were compared and observed. The incidence of complications was recorded.
RESULTS AND CONCLUSION: The visual analog scale scores at 3, 6 and 12 months after treatment was significantly lower than those before treatment (P < 0.001). The Oswestry disability indexes before treatment, at the first week and at the 12th month after treatment were significantly lower those that before treatment (P < 0.001).The Cobb angle before treatment, at the first day and at the 12th month after treatment was significantly smaller than that before treatment (P < 0.001). Only three (8%) patients had complications, including pedicle screw penetrating pedicle into the spinal canal, pedicle screws loosing and the infection in puncture site. These results suggest that percutaneous pedicle screw internal fixation for treatment of single segment thoracolumbar fractures can correct kyphosis, improve the thoracolumbar motion, quickly relieve patient’s back pain, and the incidence of complications is low.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

Zhang Qiang, Li Rui-long, Yang Liu-zhu, Li Zhao-fei, Luo Jin, Su Mou, Liang Da-di . Percutaneous pedicle screw internal fixation repairs single segment of thoracolumbar fracture: activity improvement during 12 months of follow-up[J]. Chinese Journal of Tissue Engineering Research, 2016, 20(9): 1242-1246.

Figures/Tables 5

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