中国组织工程研究 ›› 2023, Vol. 27 ›› Issue (29): 4607-4611.doi: 10.12307/2023.653

• 骨与关节生物力学Bone and joint biomechanics • 上一篇    下一篇

体位对颈椎旋转手法整复神经根型颈椎病关节突关节骨错缝的有限元分析

叶林强,陈  超,刘源辉,李  真,卢国樑   

  1. 广州中医药大学东莞医院骨科,广东省东莞市   523000
  • 收稿日期:2022-07-05 接受日期:2022-08-24 出版日期:2023-10-18 发布日期:2022-12-02
  • 通讯作者: 卢国樑,主任中医师,硕士生导师,广州中医药大学东莞医院骨科,广东省东莞市 523000
  • 作者简介:叶林强,男,1987年生,广东省东莞市人,汉族,博士,主治中医师,主要从事脊柱疾病的中西医诊治研究。
  • 基金资助:
    广东省基础与应用基础研究基金(2019A1515110717),项目负责人:叶林强;东莞市社会科技发展项目(202050715002180),项目负责人:叶林强

Finite element analysis of position effects on reduction of facet joint displacement by cervical rotatory manipulation for cervical spondylotic radiculopathy

Ye Linqiang, Chen Chao, Liu Yuanhui, Li Zhen, Lu Guoliang   

  1. Department of Orthopedics, Dongguan Hospital of Guangzhou University of Chinese Medicine, Dongguan 523000, Guangdong Province, China
  • Received:2022-07-05 Accepted:2022-08-24 Online:2023-10-18 Published:2022-12-02
  • Contact: Lu Guoliang, Chief physician, Master’s supervisor, Department of Orthopedics, Dongguan Hospital of Guangzhou University of Chinese Medicine, Dongguan 523000, Guangdong Province, China
  • About author:Ye Linqiang, MD, Attending physician, Department of Orthopedics, Dongguan Hospital of Guangzhou University of Chinese Medicine, Dongguan 523000, Guangdong Province, China
  • Supported by:
    Guangdong Basic and Applied Basic Research Foundation, No. 2019A1515110717 (to YLQ); Dongguan Science and Technology of Social Development Program, No. 202050715002180 (to YLQ)

摘要:


文题释义:

神经根型颈椎病:主要是因为椎间盘后外侧突出或椎间孔狭窄挤压神经根和神经根的炎症反应,引起以颈肩部及患侧上肢放射性疼痛、 麻木为主要症状的退变性颈椎疾病。神经根型颈椎病约占颈椎病的60%,是发病率最高的颈椎病类型,大多数神经根型颈椎病患者可以通过保守治疗改善症状。
关节突关节骨错缝:当椎间盘退变支撑力下降时,由于颈椎关节突关节面具有自前上向后下倾斜的解剖特点,上位椎骨的下关节突沿着关节突关节面向后下滑动而发生关节突关节半脱位,使椎间孔的前后径和上下径变小,神经根型颈椎病的关节突关节骨错缝类似于这种关节突关节半脱位,所以颈椎旋转手法整复关节突关节骨错缝治疗神经根型颈椎病应使上位椎骨的下关节突沿着关节突关节面向前上滑动,最大限度恢复椎间孔的前后径和上下径。

背景:颈椎旋转手法的操作体位主要包括前屈位、中立位、后伸位和旋转方向,关于选用哪种体位实施颈椎旋转手法更有利于整复关节突关节骨错缝治疗神经根型颈椎病,目前尚不清晰。
目的:比较不同体位实施颈椎旋转手法整复关节突关节骨错缝治疗神经根型颈椎病的生物力学差异。
方法:建立并验证C5-C6正常三维有限元模型,分别模拟前屈、中立、后伸体位往右侧旋转实施颈椎旋转手法,比较不同体位实施颈椎旋转手法时C5双侧下关节突的前后方向和上下方向位移分布。选取整复侧C5下关节突的相同结点作为位移值参考点,比较不同体位实施颈椎旋转手法时整复侧C5下关节突的前后方向和上下方向位移值。
结果与结论:①在前屈、中立和后伸3种体位实施颈椎旋转手法,旋转侧C5下关节突均向后下滑动,旋转对侧C5下关节突均向前上滑动,所以C5下关节突的滑动趋势与旋转方向有明显相关性,而与前屈、中立和后伸体位没有明显相关性;②在前屈、中立、后伸体位实施颈椎旋转手法,旋转对侧C5下关节突的向前位移值分别是1.32,1.22和0.77 mm,向上位移值分别是1.49,1.29和0.29 mm;③结果显示,前屈位实施颈椎旋转手法使旋转对侧下关节突的前上位移值最大,说明前屈位往健侧旋转实施颈椎旋转手法可能更有利于整复关节突关节骨错缝治疗神经根型颈椎病。
https://orcid.org/0000-0002-9013-2247(叶林强)
中国组织工程研究杂志出版内容重点:人工关节;骨植入物;脊柱;骨折;内固定;数字化骨科;组织工程

关键词: 神经根型颈椎病, 颈部体位, 颈椎旋转手法, 三维有限元分析, 关节突关节骨错缝

Abstract: BACKGROUND: Positions of cervical rotatory manipulation mainly include flexion, neutral, extension and rotation direction. It is still not clear which positions are more beneficial for cervical rotatory manipulation to reduce facet joint displacement in treatment of cervical spondylotic radiculopathy.
OBJECTIVE: To compare biomechanical effects of positions on reduction of facet joint displacement by cervical rotatory manipulation in treatment of cervical spondylotic radiculopathy.
METHODS: A three-dimensional finite element model of the normal C5-C6 was constructed and validated. Cervical rotatory manipulation was simulated with rotation to the right side in flexion, neutral and extension, respectively. Displacement distributions in forward-backward and upward-downward directions of C5 bilateral inferior articular processes were compared among cervical rotatory manipulation performed in different positions. The same node in C5 inferior articular process of the reduced side was selected as reference point for displacement value. Displacement values in forward-backward and upward-downward directions of C5 inferior articular process of the reduced side were compared among cervical rotatory manipulation performed in different positions.
RESULTS AND CONCLUSION: (1) With cervical rotatory manipulation performed in flexion, neutral and extension, ipsilateral C5 inferior articular process of rotation moved backward and downward while contralateral C5 inferior articular process of rotation moved forward and upward. Thus, the sliding trend of C5 inferior articular process was significantly correlated with the direction of rotation, but not with positions of flexion, neutral and extension. (2) When cervical rotatory manipulation was performed in flexion, neutral and extension, forward displacement of contralateral C5 inferior articular process of rotation was 1.32, 1.22 and 0.77 mm, respectively, and upward displacement was 1.49, 1.29 and 0.29 mm, respectively. (3) The findings showed that forward-upward displacement of contralateral inferior articular process of rotation was maximum in flexion, indicating that rotation to the healthy side in flexion might be more beneficial for cervical rotatory manipulation to reduce facet joint displacement in treatment of cervical spondylotic radiculopathy.

Key words: cervical spondylotic radiculopathy, neck position, cervical rotatory manipulation, three-dimensional finite element analysis, facet joint displacement

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