• Wouter A Moojen, Mark P Arts, Wilco C H Jacobs, Erik W van Zwet, M Elske van den Akker-van Marle, Bart W Koes, Carmen L A M Vleggeert-Lankamp, Wilco C Peul, and Leiden-The Hague Spine Intervention Prognostic Study Group (SIPS).
• Department of Neurosurgery, Leiden University Medical Center, Leiden, Netherlands Department of Neurosurgery, Medical Center Haaglanden, The Hague, Netherlands.
• Br J Sports Med. 2015 Jan 1;49(2):135.

Study QuestionIs interspinous process device implantation more effective in the short term (eight weeks) than conventional surgical decompression for patients with intermittent neurogenic claudication due to lumbar spinal stenosis?Summary AnswerThe use of interspinous implants did not result in a better outcome than conventional decompression, but the reoperation rate was significantly higher.What Is Known And What This Paper AddsBony decompression and treatment with interspinous process devices are superior to conservative and non-surgical treatment for intermittent neurogenic claudication due to lumbar spinal stenosis. Interspinous implants surgery is not superior to bony decompression, and the reoperation rate is significantly higher.Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.

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