Pedicle screw systems for degenerative lumbar scoliosis with stenosis

doi:10.3969/j.issn.2095-4344.2014.17.018

Abstract

Abstract:

BACKGROUND: Simple vertebral canal decompression for degenerative lumbar scoliosis with stenosis cannot obtain long-period curative effects. Simple decompression is considered aiatrogenic destabilization of lumbar vertebra, and aggravates lumbar malformation.
OBJECTIVE: To analyze the effectiveness of posterior decompression, fixation and fusion in the treatment of degenerative lumbar scoliosis with stenosis and to evaluate corrective angle during the follow-up.
METHODS: A total of 23 cases of degenerative lumbar scoliosis with stenosis underwent posterior decompression, fixation and fusion. Visual Analogue Scale, Oswestry disability index, 36-Item Short-Form Health Survey scale and the Cobb angle on the lumbar coronal film were used to assess the changes in quality of life and corrective angle before treatment and during final follow-up.
RESULTS AND CONCLUSION: All patients were followed up for at least 6 mouths. Mean Cobb angles were (23.94±11.4)° pretreatment and (10.28±6.93)° posttreatment. Mean Visual Analogue Scale scores were significantly lower posttreatment than pretreatment (P < 0.05). Oswestry disability index scores were significantly lower posttreatment than pretreatment (P < 0.05). The excellent and good rate of Oswestry disability index score was 83.33%. The eight scaled scores of 36-Item Short-Form Health Survey scale were significantly higher posttreatment than pretreatment (P < 0.05). During the follow-up, there was no obvious loss in corrective angle. Shift of interbody cages was not displaced. No internal fixator breakage appeared. The rate of fusion for bone graft was 100%.

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: scoliosis, spinal stenosis, spinal fusion

CLC Number:

R318

Wang Zhi-fang, Hu Zhen-ming, Hao Jie, Chen Lin, Wang Li-jun, Zhang Xiao-jun, Gan Qiang, He Bin. Pedicle screw systems for degenerative lumbar scoliosis with stenosis[J]. Chinese Journal of Tissue Engineering Research, 2014, 18(17): 2728-2733.

Figures/Tables 2

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