Interspinous distractor devices for the management of lumbar spinal stenosis: a miracle cure for a common problem?

British Journal of Neurosurgery
Anouk BorgDavid Choi

Abstract

Neurogenic claudication due to lumbar spinal stenosis is the commonest cause of back and leg pain in the elderly. It consumes large amounts of healthcare resource and is a common reason for GP consultations. Surgical management by decompressive laminectomy is the traditional method used for those patients in whom conservative management has failed. However, the advent of minimally invasive interspinous distraction devices, which are designed to alleviate symptoms of neurogenic intermittent claudication without subjecting the patient to a major operation, has potentially revolutionised the management of lumbar spinal stenosis. This review describes the principles of interspinous distraction devices, the rationale for their use in the management of lumbar spinal stenosis, indications and predictors of outcome. Published data on the safety and efficacy of the various devices available is encouraging but long term results are awaited. The superiority of interspinous distraction devices over conservative treatment has already been established, however, the precise indication for this new technology and whether the implants can replace conventional decompressive surgery in some situations has not been clearly defined.

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Citations

Sep 2, 2015·Neurosurgical Review·Ashwanth RameshMichael Kelleher
Nov 20, 2014·British Journal of Neurosurgery·Nicholas V Todd
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Sep 19, 2014·World Journal of Clinical Cases·Alessandro Landi

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