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Published in: International Orthopaedics 6/2016

01-06-2016 | Original Paper

Interspinous dynamic stabilization adjacent to fusion versus double-segment fusion for treatment of lumbar degenerative disease with a minimum follow-up of three years

Authors: Xiao-Long Chen, Li Guan, Yu-Zeng Liu, Jin-Cai Yang, Wen-Long Wang, Yong Hai

Published in: International Orthopaedics | Issue 6/2016

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Abstract

Purpose

The aim of this study was to assess the outcome of symptomatic lumbar degenerative disease treated with topping-off technique (Coflex combined with fusion) and compare two-segment fusion at mid-long term follow-up; and find out whether the topping-off technique can reduce the rate of adjacent segment degeneration (ASD) after fusion.

Methods

One hundred and fifty-four consecutive patients who received topping-off surgery (76 patients) and two-segment fusion surgery (88 patients) from March 2009 to March 2012 were studied. All patients included in the analysis had a minimum of three years of follow-up. Radiographic and clinical outcomes between the two groups were compared. A logistic regression analysis was used to analyze risk factors for developing radiographic ASD.

Results

Significant differences in clinical outcomes were observed between these two groups at three post-operative years (all, p < 0.05). Compared with the fusion group, the topping-off group showed preserved mobility at the Coflex level (p = 0.000), which is associated with less blood loss (p = 0.000), shorter duration of surgery (p = 0.000) and lower incidence of ASD (Chi-square test, rate topping-off vs fusion = 13.2 vs 26.1 %, p = 0.039). There were no differences in complications between the two groups.

Conclusion

Mid-long term follow-up efficacy and safety between topping-off and fusion were similar, while topping-off reduced the rate of ASD. Under strict indications, topping-off surgery is an acceptable alternative to fusion surgery for the treatment of two-segment lumbar disease.
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Metadata
Title
Interspinous dynamic stabilization adjacent to fusion versus double-segment fusion for treatment of lumbar degenerative disease with a minimum follow-up of three years
Authors
Xiao-Long Chen
Li Guan
Yu-Zeng Liu
Jin-Cai Yang
Wen-Long Wang
Yong Hai
Publication date
01-06-2016
Publisher
Springer Berlin Heidelberg
Published in
International Orthopaedics / Issue 6/2016
Print ISSN: 0341-2695
Electronic ISSN: 1432-5195
DOI
https://doi.org/10.1007/s00264-016-3199-y

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