| Two-year results of x-stop interspinous implant for the treatment of lumbar spinal stenosis: a prospective study. | |
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MedLine Citation:
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PMID: 23348569 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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STUDY DESIGN: : Prospective Observational Study. OBJECTIVE: : To prospectively assess the clinical outcome of patients treated for symptomatic spinal stenosis with the X-stop device. SUMMARY OF BACKGROUND DATA: : The X-stop device is used in the treatment of symptomatic lumbar spinal stenosis. The preliminary results of this study of 40 patients at 1 year were published in 2007. The 2-year results of 57 patients are reported in this paper. Zucherman et al report 60% significant improvement at 1 year and 48.4% at 2 years. METHODS: : Fifty-seven consecutive patients with radiologically confirmed lumbar spinal stenosis were enrolled and treated with the X-stop device. The device was implanted at a maximum of 2 affected levels. Clinical response was evaluated with the Zurich Claudication Questionnaire (ZCQ), Oswestry Disability Index, and Short Form-36 questionnaires preoperatively and 6, 12, and 24 months postoperatively. RESULTS: : Of the 57 patients enrolled, 54 completed the ZCQ questionnaire at 1 year and 46 patients at 2 years. Clinically significant improvement was attained by 65% at 1 year and 57% at 2 years and 70% were satisfied with the outcome of the surgery. Single level and double level insertions did not have significant difference in clinical outcome. CONCLUSION: : This study demonstrates with the use of ZCQ scores as primary outcome measures that improved clinical outcomes are maintained at 2 years after X-stop implantation. |
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Authors:
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Anjali Nandakumar; Natasha A Clark; Francis W Smith; Douglas Wardlaw |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of spinal disorders & techniques Volume: 26 ISSN: 1539-2465 ISO Abbreviation: J Spinal Disord Tech Publication Date: 2013 Feb |
Date Detail:
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Created Date: 2013-01-25 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101140323 Medline TA: J Spinal Disord Tech Country: United States |
Other Details:
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Languages: eng Pagination: 1-7 Citation Subset: IM |
Affiliation:
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NHS Grampian and University of Aberdeen, Departments of Orthopaedics and Radiology, Positional MRI Centre, Woodend Hospital, Aberdeen, Scotland, UK. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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