Topping-off technique for the protection of degenerative intervertebral disc

doi:10.3969/j.issn.2095-4344.2013.48.009

Abstract

Abstract:

BACKGROUND: Topping-off technique can be used for fixation treatment through the combination of fusion and interspinous dynamic device, in order to prevent or slow down the adjacent lumbar segment degeneration.
OBJECTIVE: To obverse the protective effect of Topping-off technique (posterior lumbar interbody fusion procedure combined with the fixation of dynamic interspinous device Coflex) for the degenerative intervertebral disc.
METHODS: A total of 32 patients with degenerative lumbar diseases who had been treated with Topping-off technique were included in this study. The Oswestry disability index, the Japanese Orthopaedic Association scores, range of motion for Coflex implanted segment and during the relative signal intensity of the Coflex implanted segment in MRI image were recorded and calculated preoperatively and the entire follow-up period.
RESULTS AND CONCLUSION: All patients were followed-up for 20.6 months averagely. Up to the last follow-up, the Oswestry disability index and Japanese Orthopaedic Association scores were significantly improved when compared with those before treatment (P < 0.001). There was no significant difference in the range of motion for Coflex implanted segment before and after treatment (P=0.19). The relative signal intensity of the Coflex implanted segment was significantly improved when compared with that before treatment (P < 0.01). The clinical application of the Topping-off technique showed a protective effect on the intervertebral disc.

Key words: lumbar vertebrae, intervertebral disk degeneration, spinal fusion, internal fixators

CLC Number:

R318

Zhao Cheng, Xu Jian-guang, Lian Xiao-feng, Li Hao, Qiu Man-le . Topping-off technique for the protection of degenerative intervertebral disc[J]. Chinese Journal of Tissue Engineering Research, 2013, 17(48): 8349-8354.

Figures/Tables 4

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