Journal
JOURNAL OF THE AMERICAN ACADEMY OF ORTHOPAEDIC SURGEONS
Volume 15, Issue 4, Pages 200-207Publisher
AMER ACAD ORTHOPAEDIC SURGEONS
DOI: 10.5435/00124635-200704000-00003
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The patient with neurogenic claudication resulting from lumbar,spinal stenosis who fails to experience satisfactory relief from nonsurgical measures has limited treatment options. Lumbar epidural steroid injections and surgical laminectomy are generally accepted alternatives for, the patient with moderate to severe symptoms. Interspinous process spacers, a relatively new class of technology, are proposed for use in the patient who prefers less invasive surgery or in whom medical comorbidities preclude a major surgical procedure. Early data from biomechanical and clinical studies support the short-term efficacy of interspinous process spacers in treating claudication related to spinal stenosis. and long-term data are lacking, however, Sufficient medium particularly with respect to durability of symptomatic relief and the risk of device migration or dislocation. Although interspinous process spacers are a promising new technology, the results of longer-term clinical follow-up studies are needed to more clearly define their role in the management of lumbar spinal stenosis.
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