脊髓和神经根在异常脊椎病的生物力学研究:基于有限元分析
Jibin Ma1,2, Jian Wang1, Yuming Yang1
1Clinical School/Colledge of Orthopedics, Tianjin Medical University, No. 22 Qixiangtai Road, Heping District, Tianjin, China.
BMC musculoskeletal disorders
|September 6, 2024
概括
有限元素分析显示,脊髓和神经根损伤风险在脊柱形直的纠正过程中. 对上中脊髓,下脊髓和神经根的注意力至关重要,特别是在特定的纠正阶段和条件下.
科学领域:
- 生物机械工程 生物机械工程
- 脊柱外科手术 脊柱外科手术
- 医疗模拟 医疗模拟
背景情况:
- 目前的研究不足以解决脊髓和神经根在脊柱脊椎病纠正过程中的生物力学变化.
- 有限元分析 (FEA) 为研究这些复杂的生物力学变异提供了一种新的方法.
研究的目的:
- 通过使用FEA全面调查脊髓和神经根在脊柱直的纠正过程中的生物力学变化.
- 为了确定特定的脊髓段和神经根在不同的校正条件和科布角度下受伤的风险.
主要方法:
- 开发了一个个性化的FEA模型,整合了脊椎,带,脊髓和神经根.
- 在拉力,推力和拉力+扭力条件下进行模拟,以模仿脊椎病的纠正.
- 对不同脊髓段 (上,中,下) 和神经根的生物机械变化和受伤风险进行了分析.
主要成果:
- 中间脊髓段在各种条件下始终显示受伤风险.
- 神经根损伤的风险因细分和状况而异;引在中间/下段构成风险,在所有段中推进,以及每段特定神经根的引+扭动.
- 早期的纠正阶段对上脊髓和下脊髓存在风险 (推动),而后期阶段对上脊髓 (引+扭动) 和特定的神经根存在风险.
结论:
- 在脊椎形纠正过程中,当纠正率达到61%-68%时,中上脊髓需要注意.
- 推动条件需要关注主要胸部曲线的下脊髓和双边神经根.
- 引和引+扭动条件需要特别注意中部和下部段的神经根,分别是上部段右侧的神经根.
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