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青少年腰椎滑脱若干问题的探讨 被引量:3

A brief discussion of spondylolisthesis in adolescents
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摘要 青少年腰椎滑脱临床上并不少见,但有症状者较少.然而,由于青少年处于快速生长发育阶段,如果处置不当,滑脱可进一步加重,甚至出现重度腰椎滑脱,引起大小便功能障碍等神经损伤症状[1].为提高对这一疾病的认识,笔者对青少年腰椎滑脱的若干问题作一浅析.1 青少年腰椎滑脱的病理机制青少年腰椎滑脱的发生机制尚不十分明确,大多为发育不良型和峡部裂型.研究显示在直立状态下,躯干上部的重量主要由L5传导至下肢,由于腰骶角的存在,L5椎体承受向前下方的较大剪切力,正常的椎体后方结构可以分担部分剪切力,但先天发育不良或各种原因导致峡部不连等椎体后方结构破坏时,即可能发生腰椎滑脱[1].腰椎滑脱后由于脊柱轴向力线改变,躯干重心前移,腰椎前凸代偿性增加,进一步增加椎体所承受的剪切力,形成恶性循环,以致腰椎滑脱程度不断增大,乃至发展为重度腰椎滑脱.腰椎滑脱后由于腰椎不稳、椎间盘结构破坏、小关节增生、椎管容积减少等原因,引起腰痛、下肢放射痛、间歇性跛行等症状,严重者可累及马尾神经,引起鞍区麻木、大小便功能障碍[2].
出处 《中国脊柱脊髓杂志》 CAS CSCD 北大核心 2015年第5期387-388,共2页 Chinese Journal of Spine and Spinal Cord
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参考文献11

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二级参考文献15

  • 1钱忠来,唐天驷,杨惠林.腰椎崩裂滑脱单节段复位固定系统的研究及其临床应用[J].中华外科杂志,1995,33(12):711-714. 被引量:10
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