结论后路脊柱融合术是目前治疗腰椎退行性不稳症疗效确切的方法之一，内固定可显著提高融合率，缓解患者症状。
Conclusion Posterior spinal fusion is an effective operation treating degenerative lumbar instability, internal fixation can enhance the rate of spinal fusion and improve symptoms of patients.
退行性椎体滑移是腰椎活动节段长时间节段间不稳定的结果。
Degenerative spondylolisthesis is the result of longstanding intersegmental instability at the lumbar motion segment.
现阶段一般的看法是椎间盘变性导致了失状位的节段性不稳定，有可能导致退行性椎体滑移。
The general belief today is that disc degeneration leads to segmental instability in the sagittal plane and may result in DS.
可以发现退行性椎体滑移常出现在椎体滑移、椎管狭窄以及节段性不稳的分类中，这说明了它的临床表现是多种多样的。
DS can be found in classifications of spondylolisthesis, spinal stenosis, and segmental instability, indicating that the clinical presentation is varied.
目的探讨退行性下颈椎不稳在交感型颈椎病中的作用及手术治疗的效果。
Objective To investigate the role of degenerative low cervical instability in the etiology of the sympathetic cervical spondylopathy and therapeutic effect of surgical treatment.
目的探讨椎弓完整性滑脱症的X线、生物力学特点与退行性腰椎不稳的病理进程。
Objective To discuss the X-ray and biomechanics characteristic of lumbar spondylolisthesis with intact neural arch and analyze the pathological course of degenerate lumbar instability.
神经减压和椎管成型辅以后路椎弓根钉捧系统同定及植骨融合术治疗退行性下腰椎不稳疗效优良。
The therapeutic effect of nerve decompression and vertebral canal plasty combined with the screw-rod system fixation of posterior pedicle of vertebral arch and the fusion of bone graft is fine.
神经减压和椎管成型辅以后路椎弓根钉捧系统同定及植骨融合术治疗退行性下腰椎不稳疗效优良。
The therapeutic effect of nerve decompression and vertebral canal plasty combined with the screw-rod system fixation of posterior pedicle of vertebral arch and the fusion of bone graft is fine.
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