後側方固定術を併用した頸部脊柱管拡大術における術後経過のX線学的検討

抄録

(6 cases of cervical spondylotic myelopathy and 8 cases of OPLL).
The fusion rate of PLF was 67.3% Cervical spine motion and cervical lordosis decreased significantly after operation. Segmental motion angle and listhesis also decreased significantly, therefore, the stabilizing effect of PLF was recognized. However the segmental motion angle of the level above the fused segment increased significantly.