alexa Dynamic Intraspinous Stabilization reduces Spinal Mobil
ISSN: 2165-7939

Journal of Spine
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Research Article

Dynamic Intraspinous Stabilization reduces Spinal Mobility After Bilateral Laminotomy

Marin Guentchev1,2#, Levente Peter1#, Christian Preuss1, Martin HM Sailer3 and Jochen Tuettenberg1*

1Department of Neurosurgery, Klinikum Idar- Oberstein, D-55743 Idar-Oberstein, Germany

2Trinity Medical Center, 117 Zaichar St, BG-1309 Sofia, Bulgaria

3Department of Neurosurgery and Spine Surgery, Schulthess Klinik, Lengghalde 2, CH-8008 Zurich, Switzerland

#Both have contributed equally to this manuscript

*Corresponding Author:
Jochen Tuettenberg
Department of Neurosurgery, Klinikum Idar- Oberstein
D-55743 Idar-Oberstein, Germany
Tel: +49 6781 661560
E-mail: [email protected]

Received date: March 20, 2017; Accepted date: April 12, 2017; Published date: April 14, 2017

Citation: Guentchev M, Peter L, Preuss C, Sailer MHM, Tuettenberg J (2017) Dynamic Intraspinous Stabilization reduces Spinal Mobility After Bilateral Laminotomy. J Spine 6:366. doi:10.4172/2165-7939.1000366

Copyright: © 2017 Guentchev M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Dynamic stabilization devices were developed to reduce spinal hypermobility while preserving a certain degree of physiological motion. Our goal was to assess radiographic and clinical outcomes of patients treated with surgical decompression and stabilization with the LimiflexTM implant.

We investigated the effect of LimiFlex implantation on post-operative translation and angulation in 36 patients with spinal stenosis and degenerative spondylolisthesis Meyerding Grade I treated with decompression and dynamic stabilization.

Significant improvements following lumbar decompression were observed. The average Oswestry Disability Index (ODI) score fell from 45.9 Pre-operatively to 29.6 at dismissal and 26.5 at first follow up. The average visual analog scale (VAS) score fell from 7 Pre-operatively to 3 at dismissal and 3 at follow up. Pre-operatively the median translation within the operated segment was 2.0 mm. Post-operatively the translation was reduced to 0.7 mm (p=0.006, Student’s t-test). Pre-operatively the median rotation within the operated segment was 4.6°. Post-operatively the rotation was reduced to 3.5° (p=0.08, Student’s t-test). The re-operation rate was 6 out of 36 (16.7%).

Here we provide evidence suggesting that the dynamic paraspinous stabilization implant LimiflexTM is well tolerated in patients with degenerative spondylolisthesis and lumbar spinal canal stenosis. Our data show that within 3 months after the operation it limits hypermobility in the operated segment. This might be well suited in cases such as spinal stenosis with Grade I degenerative spondylolisthesis, where instability at the operated segment is likely to happen, but a patient is not indicated for a spinal fusion.


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