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17.11.2015 | Original Article

Short-term effects of a dynamic neutralization system (Dynesys) for multi-segmental lumbar disc herniation

verfasst von: Qi Wang, Jun Liu, Ying Shi, Yu Chen, Hailong Yu, Junxiong Ma, Weijian Ren, Huifeng Yang, Hongwei Wang, Liangbi Xiang

Erschienen in: European Spine Journal | Ausgabe 5/2016

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Abstract

Purpose

To determine the safety and short-term curative effects of internal fixation using a dynamic neutralization system (Dynesys) for multi-segmental lumbar disc herniation (ms-LDH) with the control group treated by posterior lumbar interbody fusion (PLIF).

Methods

Forty-five patients with ms-LDH were selected as study group treated with Dynesys and 40 patients as control group with PLIF. The surgical efficacy was evaluated by comparing the visual analogue scale (VAS) scores, the Oswestry Disability Index (ODI) scores and the ROMs of the adjacent segment before and after surgery. The postoperative complications related to the implants were identified.

Results

All patients were followed up for an average duration of over 30 months. Dynesys stabilization resulted in significantly higher preservation of motion at the index level (p < 0.001), and significantly less (p < 0.05) hypermobility at the adjacent segments. VAS for back and leg pain and ODI improved significantly (p < 0.05) with both the methods, but there was no significant difference between the groups.

Conclusions

The non-fusion fixation system Dynesys is safe and effective regarding short-term curative effects for the treatment of ms-LDH.

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Titel: Short-term effects of a dynamic neutralization system (Dynesys) for multi-segmental lumbar disc herniation
verfasst von: Qi Wang
Jun Liu
Ying Shi
Yu Chen
Hailong Yu
Junxiong Ma
Weijian Ren
Huifeng Yang
Hongwei Wang
Liangbi Xiang
Publikationsdatum: 17.11.2015
Verlag: Springer Berlin Heidelberg
Erschienen in: European Spine Journal / Ausgabe 5/2016
Print ISSN: 0940-6719
Elektronische ISSN: 1432-0932
DOI: https://doi.org/10.1007/s00586-015-4307-1

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Short-term effects of a dynamic neutralization system (Dynesys) for multi-segmental lumbar disc herniation