| 颈椎融合内固定对相邻节段椎间盘及椎间关节压力影响的生物力学研究 |
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| 引用本文： | 荆珏华,田大胜,钱军,付杰,王以进. 颈椎融合内固定对相邻节段椎间盘及椎间关节压力影响的生物力学研究[J]. 颈腰痛杂志, 2009, 30(3) |
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| 作者姓名： | 荆珏华 田大胜 钱军 付杰 王以进 |
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| 作者单位： | 安徽医科大学第二附属医院骨科,合肥,230601;安徽医科大学解剖教研室,合肥,230032;上海大学生物力学研究所,上海,201800 |
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| 摘 要： | 目的 探讨颈椎间植骨内固定相邻节段退变的生物力学机制.方法 5具成人尸体颈椎(C2-T1)标本用于试验.固定T1,施加作用力于C2,测量A、B、C、D各组在前屈、后伸2种状态下相邻节段(C3-4C6-7)椎间盘、椎间关节应力.结果 各组相邻节段椎间盘、椎间关节应力随固定强度增加而增加.即D组＞C组＞B组＞A组,其中C、D两组与A组相比应力增加明显,差异有显著性意义(P＜0.05),且C3-4间隙C组与B组、D组与C组相比差异均有显著性意义(P＜0.05).结论 颈椎间植骨内固定后增加相邻节段椎间盘、椎间关节应力;相邻上节段的影响较下节段大;固定强度越大影响越大.
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| 关 键 词： | 颈椎 相邻节段 生物力学 应力 内固定 |
Biomechanical study on the stress effect of adjacent-level intervertebral disk and intervertebral joint after cervical spine fusion and instrumentation |
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| JING Jue-hua,TIAN Da-sheng,Qian Jun,et al.. Biomechanical study on the stress effect of adjacent-level intervertebral disk and intervertebral joint after cervical spine fusion and instrumentation[J]. The Journal of Cervicodynia and Lumbodynia, 2009, 30(3) |
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| Authors: | JING Jue-hua TIAN Da-sheng Qian Jun et al. |
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| Affiliation: | 1. Department of Orthopedics;The Second Affiliated Hospital of Anhui Medical University;Hefe 230601 2. Department of Orthopedics;The First Affiliated Hospital of Anhui Medical University;Hefei 230022 |
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| Abstract: | |
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| Keywords: | Cervical vertebrae Adjacent-segment Biomechanics Stress Instrumentation |
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