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Grade 1 spondylolisthesis and interspinous device placement: removal in six patients and analysis of current data

Bohm, Parker E.
; 
Anderson, Karen K.
; 
Friis, Elizabeth A.
; 
Arnold, Paul M.
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Abstract
In the treatment of patients with Grade 1 spondylolisthesis, the use of interspinous devices has been controversial for nearly a decade. Several authors have suggested that Grade 1 spondylolisthesis be considered a contraindication for interspinous device placement. Methods: We removed interspinous devices in six symptomatic Grade 1 spondylolisthesis patients and analyzed pertinent literature. Results: All six patients reported an improvement in symptoms following device removal and subsequent instrumented fusion. One patient who had not been able to walk due to pain regained the ability to walk. Several articles were identified related to spondylolisthesis and interspinous devices. Conclusions: Regarding patients receiving interspinous devices for symptomatic lumbar spinal stenosis, several high-quality studies have failed to demonstrate a statistical difference in outcomes between patients with or without Grade 1 spondylolisthesis. Nevertheless, surgeons should have a high degree of suspicion when considering use of interspinous devices in this patient population.
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This is the published version. Information that is created by or for the US government on this site is within the public domain. Public domain information on the National Library of Medicine (NLM) Web pages may be freely distributed and copied. However, it is requested that in any subsequent use of this work, NLM be given appropriate acknowledgment.
Date
2015-04-02
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Medknow Publications
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Mechanical Engineering Scholarly Works
Bioengineering Program Scholarly Works
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Keywords
Interspinous process device, Interspinous process spacer, Lumbar spinal stenosis, Neurogenic intermittent claudication, Spondylolisthesis, X-STOP®
Citation
Arnold, Paulm, Parkere Bohm, Karenk Anderson, and Elizabetha Friis. "Grade 1 Spondylolisthesis and Interspinous Device Placement: Removal in Six Patients and Analysis of Current Data." Surgical Neurology International Surg Neurol Int 6.1 (2015): 54. http://dx.doi.org/10.4103/2152-7806.154461
URI
https://hdl.handle.net/1808/18884
DOI
10.4103/2152-7806.154461
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