Extreme lateral lumbar disc herniation after pedicle screw fixation and interbody fusion cage: lumbar stability at long-tem follow-up

doi:10.3969/j.issn.2095-4344.2014.40.012

Abstract

Abstract:

BACKGROUND: Extreme lateral lumbar disc herniation is a rare type of lumbar disc herniation, there are a variety of treatment methods, but the therapeutic efficacy and recurrence rate are controversial.

OBJECTIVE: To investigate the availability of lumbar pedicle screw fixation combined with interbody fusion cage for treating extreme lateral lumbar disc herniation.

METHODS: We retrospectively analyzed 19 patients with extreme lateral lumbar disc herniation after treatment with lumbar pedicle screw fixation combining with interbody fusion cage from March 2006 to January 2009. The outcomes were evaluated depending on VAS scoring standard and Macnab scoring standard, lumbar stability were observed postoperatively. We analyzed the spinal stability in recurrent lumbar disc herniation patients after lumbar pedicle screw fixation combined with interbody fusion cage depending on literature search.

RESULTS AND CONCLUSION: All the 19 patients were followed up for 13 months to 3 years, the leg and lumbar pain of all the patients were relieved to varying degrees. Preoperative VAS score was 7.3±1.28 points and postoperative VAS score was 2.1±0.8 points, showing significant difference between two groups (P < 0.05). The excellent and good rate was up to 95% with 15 excellent results, 3 good results and 1 acceptable result depending on Macnab evaluation standard. There was no pedicle screw loosening, broken, non-fusion phenomenon. All the lumbar interbody fusions were good. No one occurred secondary lumbar spinal stenosis. Experimental findings indicate that, lumbar pedicle screw fixation combined with interbody fusion cage for extremely lateral lumbar disc herniation, is characterized as fast symptom relief, strong fixation and good lumbar stability.

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

全文链接：

Key words: lumbar veretebrae, intervertebral disk displacement, internal fixators, spinal fusion, follow-up studies

CLC Number:

R318

Shi Rui-ming, Li Guo-sheng, Zhang Yi-feng, Huang Zhen-yuan, Sun Li, Wang Cun . Extreme lateral lumbar disc herniation after pedicle screw fixation and interbody fusion cage: lumbar stability at long-tem follow-up [J]. Chinese Journal of Tissue Engineering Research, 2014, 18(40): 6464-6470.

Figures/Tables 2

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