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KMID : 1148120140040020053
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Journal of Advanced Spine Surgery
2014 Volume.4 No. 2 p.53 ~ p.57
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Recent Update on Interspinous Devices for Lumbar Spinal Stenosis
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Kim Hyung-Cheol
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Abstract
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Purpose of study: The purpose of this study is to understand the biomechanics of interspinous devices in lumbar spinal surgery and to review the effectiveness of the devices for lumbar spinal stenosis through recent related articles.
Materials and Methods: Medical databases were searched for the key words of interspinous device and lumbar spinal stenosis using PubMed from 2010 to the present.
Results: Several studies have shown sustained symptomatic improvements after interspinous device insertion. However, most of the prospective, randomized, double-blinded studies have shown that it is not superior to conventional laminectomy from a statistical perspective. Furthermore, interspinous device insertion has been shown to have a higher reoperation rate and to be less cost effective.
Conclusions: A large prospective cohort study with a longer follow-up period comparing decompressive surgery alone versus interspinous device insertion for the treatment of lumbar spinal stenosis is needed to conclusively determine whether the interspinous device is beneficial.
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KEYWORD
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Interspinous device, Laminectomy, Lumbar spinal stenosis, Lumbar spinal surgery
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