Abstract
Background
Laminotomy is one of the surgical treatments for spinal stenosis.
Method
We conducted a prospective study including 58 patients with mean follow-up of 37.5 months, successful rate was 72%.
Result
There were significant improvement of mean Japanese Orthopaedic Association lumbar score, Oswestry Disability Index(ODI), and visual analogue scale (VAS). Male had significantly better result in ODI and VAS. There was no significant difference regarding to older age (>65) or the presence of preexisting degenerative spondylolisthesis. One patient was found to have increased lumbar instability after operation. The overall reoperation rate was 6.9%.
