椎板潜行减压术治疗椎管狭窄症

Decompressive Creeping Laminectomy in Management of Spinal Canal Stenosis

目的：使椎管狭窄扩大减压充分，既保持椎管后部结构完整，又不影响脊柱的稳定性，取得好效果。方法：采用病椎相邻棘突部分切除，椎板内板切除并潜行扩大侧椎管，切除椎体后方致压物。结果：治疗１８６８例，优１７５２例（９３７％）良９８例（５２％）差１８例（１％）。结论：选择好手术适应征，撑握好手术术式的关键几点，会取得上述好结果。

Objective:To decompress spinal stenosis thoroughly and to keep the of stabitity posterior structure. Methods:The adjacent spinous process of the involved level was partially removed .And then the inner layer of lamina was removed and creeping enlargement of lateral recess was carried out .Nucleus pulposus of intervertebral disc was resected if protrusion of intervestebral disc existed .Results:Of all 1868 cases, 1752 were excellent (93.7%),98 were good (5.2%),and 18 were fair.Conclusions:Good results could be achieved if surgeon carefully selected operative indications and mastered some key techniques of this procedure.