ALIF 附加后路椎弓根螺钉固定(posterior pedicle screw fixation，PPSF)一向被认为是增加手术节段稳定性的最佳方案[1-2]，但是，从后路行椎弓根螺钉内固定需增加手术切口，且...
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It is indicated that pipeline dredge method is superior to vertebral plate partial resection screw place method and Abumi screw place method in posterior pedicle screw fixation.
提示管道疏通法在经颈后路椎弓根螺钉内固定常规置钉法中优势明显。
Posterior interbody fusion and RF pedicle screw spinal system provide fixation with satisfactory clinical results and relatively high fusion rate.
经后路采用RF椎弓根螺钉系统能使腰椎滑脱得到较为确实的复位和固定，脊柱融合率高，临床效果满意。
Objective: to evaluate the efficacy of decompress laminectomy, pedicle screw fixation and posterior lumbar fusion in the treatment of degenerative lumbar spinal instability of elder patients.
目的：观察腰椎管减压、横突间或椎体间植骨脊柱融合和椎弓根螺钉内固定手术治疗高龄退行性病变腰椎不稳定患者的效果。
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