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Interspinous Implant with Unilateral Laminotomy for Bilateral Decompression of Degenerative Lumbar Spinal Stenosis in Elderly Patients

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Author(s)
Sung-Joo RyuIn-Soo Kim
Keimyung Author(s)
Kim, In Soo
Department
Dept. of Neurosurgery (신경외과학)
Journal Title
Journal of Korean Neurosurgical Society
Issued Date
2010
Volume
47
Issue
5
Keyword
Spinal stenosisIntervertebral assisted motionLaminotomyLow-back pain
Abstract
Objective : This study assessed the safety and efficacy of one level unilateral laminotomy bilateral decompression (ULBD) with the placement of
a device for intervertebral assisted motion (DIAM) compared with one level ULBD only in elderly patients with degenerative lumbar spinal
stenosis (DLSS).
Methods : A non randomized prospective analysis was performed on 16 patients who underwent one level ULBD with DIAM (Group A) and 20
patients with one level ULBD only (Group B) between February 2007 and March 2008. Radiographic imaging, visual analog scale (VAS) and
MacNab outcome scale were obtained before and after surgery at a mean interval of 21 months (range 17-27 months).
Results : The disc height, interpedicular distance, slip distance and segmental lordotic angle were similar between two groups. In the group A,
there was no significant difference between the pre- and post-operative imaging in terms of the sagittal balance and disc height. Both groups
showed significant improvement in the clinical outcomes. In addition, there was significantly less low-back pain in the group A than in the group
B at the last follow up, while the clinical improvement of the leg pain and MacNab outcome scale showed no significant difference in the two
groups. There were no major complications or DIAM associated complications.
Conclusion : ULBD with DIAM is a safe and efficacious treatment for selective elderly patients with DLSS, particularly for relieving low back
pain comparing to ULBD. ULBD with DIAM did not alter the disc height or sagittal alignment at the mean 21 months follow-up interval.
Keimyung Author(s)(Kor)
김인수
Publisher
School of Medicine
Citation
Sung-Joo Ryu and In-Soo Kim. (2010). Interspinous Implant with Unilateral Laminotomy for Bilateral Decompression of Degenerative Lumbar Spinal Stenosis in Elderly Patients. Journal of Korean Neurosurgical Society, 47(5), 338–344. doi: 10.3340/jkns.2010.47.5.338
Type
Article
ISSN
2005-3711
DOI
10.3340/jkns.2010.47.5.338
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/34142
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학)
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