分析颗粒状螺钉作为C2后路器械固定中椎弓根螺钉和椎弓根螺钉的可行替代方案。
Analyzing parsicle screws as a viable alternative to pars screws and pedicle screws for C2 posterior instrumentation fixation.
作者信息
Dilbone Eric, Gupta Rishabh, Stephens Byron
机构信息
Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, TN, 37232, USA.
出版信息
J Orthop. 2021 May 15;25:220-223. doi: 10.1016/j.jor.2021.05.024. eCollection 2021 May-Jun.
Abstract
INTRODUCTION
This study examined the possible clinical utility of "parsicle screws" in securing C2 instrumentation.
METHODS
Ten patients' C2 vertebrae were virtually reconstructed using computer-aided design software. Pedicle, pars, and parsicle screws were virtually placed in the vertebrae.
RESULTS
In addition to establishing the trajectory and theoretical safety of parsicle screws, this study determined that parsicle screws were significantly longer than pars screws (p = 0.005).
CONCLUSION
The additional length of parsicle screws may improve construct stability. As such, parsicle screws should be examined as an alternative to pars screws in patients unable to receive C2 pedicle screws.
摘要
引言
本研究探讨了“椎弓根峡部螺钉”在固定C2器械方面可能的临床应用价值。
方法
使用计算机辅助设计软件对10例患者的C2椎体进行虚拟重建。在椎体中虚拟置入椎弓根螺钉、椎弓根峡部螺钉和椎弓根峡部碎骨螺钉。
结果
除了确定椎弓根峡部碎骨螺钉的置入轨迹和理论安全性外，本研究还发现椎弓根峡部碎骨螺钉明显长于椎弓根峡部螺钉（p = 0.005）。
结论
椎弓根峡部碎骨螺钉的额外长度可能会提高内固定稳定性。因此，对于无法使用C2椎弓根螺钉的患者，应考虑将椎弓根峡部碎骨螺钉作为椎弓根峡部螺钉的替代方案进行研究。
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本文引用的文献
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