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腰和关节的生物机械变化后曲的围骨架骨切除术

Yongzhen Qu¹, Hao Tang¹, Ning Lu²

¹Department of Orthopedics, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.

Journal of orthopaedic surgery and research

|November 20, 2024

概括

在部发育性形症 (DDH) 患者的曲形骨架 (CPO) 有效地降低了部和腰椎盘压力. 这种手术使部接触压力正常化,并降低腰椎接触压力,改善生物力学.

科学领域:

整形外科手术整形外科手术
生物机械分析分析
有限元素建模的模型.

背景情况:

脊柱和骨盆的对齐对于身体平衡至关重要.
在部发育性形 (DDH) 中,部和腰部生物力学变化可以通过曲骨切除术 (CPO) 来优化.
患者特定的有限元分析 (FEA) 用于比较DDH患者与健康个体的部和腰椎盘接触压力 (CP),并评估CPO的影响.

研究的目的:

为了比较使用FEA的DDH患者和健康个体之间的部和腰椎接触压力 (CP).
评估CPO对DDH患者部和腰椎间盘CP的影响.

主要方法:

在模拟CPO之前和之后,对部和腰椎进行了有限元素分析 (FEA).
用一个健康的人类模型进行比较.
非线性接触分析在单腿姿势中计算了甲软骨和腰椎盘的CP.

主要成果:

在CPO前,DDH患者与健康个体相比,椎盘和腰椎盘的CP显着更高.
在DDH患者中,CPO后,最大和平均乙体CP均下降.
平均腰椎间盘CP也在CPO后的所有水平下降.

结论:

FEA表示,CPO有效地使DDH患者的部接触压力正常化.
此外,CPO还可以降低腰椎间盘接触压力,这表明它对脊柱生物力学有积极影响.
需要进一步的研究才能充分理解这些观察到的变化背后的生物力学机制.

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