目的比较单纯环锯减压柱状植骨与椎体次全切除植骨加内固定治疗脊髓型颈椎病的效果。
Objective:To compare the value between subtotal resection of vertebral body with internal fixation and simple trephine decompression in treatment of CSM.
结论环椎后桥在本组中的发生率为8.2%,环椎后桥发生率与有无临床症状无显著性差异。
Conclusion the incidence of PBOA is 8.2 % in this group. There is no significant difference between the clinical group and comparative group.
目的:用生物力学的方法比较螺旋式与环式椎体融合器的初始稳定性和拔出力量。
Objective: To compare the initial stability and pullout strength of threaded and non threaded cervical interbody fusion devices on human specimens by biomechanical method.
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