Summary
Fifty-eight consecutive patients with lumbosacral nerve root entrapment due to spinal stenosis were treated with modified microsurgical decompression. Only the clinically relevant sides and levels were decompressed while the spinous processes, the interspinous ligaments, the medial portion of ligamentum flavum and the functionally important parts of the facet joints were preserved. The reviewers rated recovery as good or excellent in 71% of patients while patient self-assessment indicated 76% good or excellent outcome. These data suggest that microsurgical decompression of spondyloarthritic changes can effectively relieve the signs and symptoms of nerve root compression and that with careful evaluation of all available data the number of nerve roots requiring decomperession is often fewer than what is suggested by diagnositic images alone.
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Caspar, W., Papavero, L., Sayler, M.K. et al. Precise and limited decompression for lumbar spinal stenosis. Acta neurochir 131, 130–136 (1994). https://doi.org/10.1007/BF01401463
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DOI: https://doi.org/10.1007/BF01401463