Posterior short segment pedicle screw fixation and TLIF for the treatment of unstable thoracolumbar/lumbar fracture

BMC Musculoskeletal Disorders

Shijin Wang⁴  Yan Xu⁴  Pengrui Wang⁴  Meng Zhang⁴  Yilong Tang⁴  Xianglong Yang⁴  Xunyuan Jia⁴  Depeng Kou⁴  Xianping Shang⁴  Rui Zhang⁴  Yang Liu⁴  Bo Wang⁴  Kai Ma⁴  Chunming Wu⁴  Changming Jiang⁴  Limin Shang¹  Kai Tang⁴  Weiguo Zhang⁴  Decheng Lv⁴  Qun Yang⁴  Hong Wang⁴  Jianjun Li³  Ling Wang² 

[1] Department of Orthopaedics, Armed Police Hospital of Dalian, Dalian 116013, People’s Republic of China;Department of Oncology, First Affiliated Hospital of Dalian Medical University, Dalian, People’s Republic of China;Department of Orthopaedics, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China;Department of Spine Surgery, First Affiliated Hospital of Dalian Medical University, Dalian 116011, People’s Republic of China

关键词: TLIF;    Pedicle screw;    Unstable burst fractures;    Lumbar vertebrae;    Thoracic vertebrae;    Short segment fixation;   

Others  :  1128839
DOI  :  10.1186/1471-2474-15-40

 received in 2013-07-26, accepted in 2014-02-06,  发布年份 2014

【 摘 要 】

Background

Currently, Posterior Short Segment Pedicle Screw Fixation is a popular procedure for treating unstable thoracolumbar/lumbar burst fracture. But progressive kyphosis and a high rate of hardware failure because of lack of the anterior column support remains a concern. The efficacy of different methods remains debatable and each technique has its advantages and disadvantages.

Methods

A consecutive series of 20 patients with isolated thoracolumbar/lumbar burst fractures were treated by posterior short segment pedicle screw fixation and transforaminal thoracolumbar/lumbar interbody fusion (TLIF) between January 2005 and December 2007. All patients were followed up for a minimum of 2 years. Demographic data, neurologic status, anterior vertebral body heights, segmental Cobb angle and treatment-related complications were evaluated.

Results

The mean operative time was 167 minutes (range, 150–220). Blood loss was 450 ~ 1200 ml, an average of 820 ml. All patients recovered with solid fusion of the intervertebral bone graft, without main complications like misplacement of the pedicle screw, nerve or vessel lesion or hard ware failure. The post-operative radiographs demonstrated a good fracture reduction and it was well maintained until the bone graft fusion. Neurological recovery of one to three Frankel grade was seen in 14 patients with partial neurological deficit, three grades of improvement was seen in one patient, two grades of improvement was observed in 6 patients and one grade of improvement was found in 6 patients. All the 6 patients with no paraplegia on admission remained neurological intact, and in one patient with Frankel D on admission no improvement was observed.

Conclusion

Posterior short-segment pedicle fixation in conjunction with TLIF seems to be a feasible option in the management of selected thoracolumbar/lumbar burst fractures, thereby addressing all the three columns through a single approach with less trauma and good results.

【 授权许可】

   
2014 Wang et al.; licensee BioMed Central Ltd.

【 图 表 】

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