报道板-棒-多轴螺钉系统后路枕颈固定的初步疗效，探讨与其它内固定比较的优势。
To report the initial outcomes of occipitocervical fixation using plate-rod-polyaxial screw system and investigate whether this new system offers any advantage over other existing methods of fixation.
板-棒-多轴螺钉系统后路枕颈固定安全可靠，取得了满意的临床疗效。
These initial data indicate that posterior occipitocervical fixation using plate-rod-polyaxial screw system is safe and reliable, and satisfactory clinical outcome can be obtained.
当椎板切除术累及高应力部位(颈2或颈7)，术前存在颈椎序列变化，小关节受累等可能影响术后颈椎曲度与活动度。
With preoperative cervical sequence changes, high-stress position (C2 or C7) and small joint involved, the postoperative cervical alignment and rang of motion may be affected.
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