Degenerative lumbar spinal stenosis. Long-term results after undercutting decompression compared with decompressive laminectomy alone or with instrumented fusion.


The aim of the study was to evaluate the long-term outcome of various surgical procedures for lumbar spinal stenosis. Operations were performed on 117 consecutive patients for lumbar spinal stenosis between 1987 and 1992. Pre- and intraoperative data were recorded in a standardized manner. Three treatment groups were distinguished: group I consisting of 39… (More)


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