Clinical efficacy of Dynesys dynamic stabilization system for multi-segment lumbar degenerative disease: a report based on 2-year follow-up

Liyuan Wang; Chengmin Zhang; Lei Luo; Chen Zhao; Tianyong Hou; Fei Luo; Fei Dai; Qingyi He; Qiang Zhou

doi:10.16016/j.1000-5404.201612210

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Clinical efficacy of Dynesys dynamic stabilization system for multi-segment lumbar degenerative disease: a report based on 2-year follow-up

更新时间：2026-01-09

- Clinical efficacy of Dynesys dynamic stabilization system for multi-segment lumbar degenerative disease: a report based on 2-year follow-up
- Journal of Third Military Medical University Vol. 39, Issue 11, Pages: 1165-1170(2017)
- 作者机构：
- 作者简介：
- 基金信息：
  
  the Clinical Major Project of Third Military Medical University(2012XLC01);the Project of China Health Promotion Foundation(WX2015-006)
- DOI：10.16016/j.1000-5404.201612210
  CLC：
- Received：30 December 2016，
  
  Published：15 June 2017
- 稿件说明：
移动端阅览
Liyuan Wang, Chengmin Zhang, Lei Luo, et al. Clinical efficacy of Dynesys dynamic stabilization system for multi-segment lumbar degenerative disease: a report based on 2-year follow-up[J]. Journal of Third Military Medical University, 2017, 39(11): 1165-1170.
DOI：

Liyuan Wang, Chengmin Zhang, Lei Luo, et al. Clinical efficacy of Dynesys dynamic stabilization system for multi-segment lumbar degenerative disease: a report based on 2-year follow-up[J]. Journal of Third Military Medical University, 2017, 39(11): 1165-1170. DOI： 10.16016/j.1000-5404.201612210.

摘要

Abstract

Objective

To evaluate the clinical efficacy and lumbar motion function of Dynesys dynamic stabilization system and fusion in the treatment of lumbar multi-segment degenerative diseases by comparative analysis.

Methods

A total of 51 patients undergoing surgery for multi-segment stabilization and fusion in our hospital from January 2013 to May 2014 were enrolled in this study. There were 24 patients undergoing Dynesys dynamic stabilization and 27 fusion. Visual ananalogue scale (VAS) was used to measure the low back pain

and Oswestry disability index (ODI) was employed to assess the function of lumbar vertebra. Lumbar motion function was evaluated by comparing the range of motion (ROM) of whole lumbar spine and surgical segments

ROM of the upper adjacent segments

height of the upper adjacent segments

the incidence of adjacent segment disease (ASD) between the 2 groups of patients preoperatively and in 6

12 and 24 months postoperatively.

Results

All the patients were followed up for an average time of 26.2 (23~31) months (

0.05). The VAS scores and the ODI scores were significantly improved in the 2 groups at all the postoperative time points (

0.05). There were significant differences in the scores between the 2 groups in 6 month postoperatively (

0.05)

but no such difference at other time points. The Dynesys dynamic stabilization group retained more degrees of motion than the fusion group (

0.01)

and some of the surgical segment activity

but the fusion group lost the activity due to fusion (

0.01). Significant difference was seen in the ROM of the upper adjacent segments between the 2 groups

in 24 months postoperatively (

0.01)

but no difference was observed in the mean height of the intervertebral space between the 2 groups and at each time point. In ASD

3 cases of fusion group showed instability of upper adjacent segments

but without obvious clinical symptoms

and no clinical intervention was carried out.

Conclusion

Dynesys dynamic stabilization system shows a good clinical outcome

retains more activity

and reduces the occurrence of ASD in the treatment of lumbar multi-level degenerative disease. So it should be used as a better surgical option.

关键词

Keywords

references

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