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关节镜下前交叉韧带重建术中移植物固定方法的研究进展 被引量:20

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摘要 前交叉韧带重建术由Hey Groves[1]首先于1917年提出,该技术在近一个世纪的历程里得到了革命性的进展,尤其是近些年伴随着运动医学科学水平的提高,前交叉韧带损伤的诊断与治疗技术不断地完善.在美国每年大约超过100 000[2]的患者接受前交叉韧带损伤的修复手术.前交叉韧带损伤的修复与重建由早期的开放式手术逐渐发展到关节镜下的微创手术,移植物早期多采用骨-髌腱-骨(bone-patella tendo-bone,B-PT-B),因为供区的并发症问题,近年来胭绳肌腱越来越多地在前交叉韧带损伤修复时被采用.自体前交叉韧带可以承受最大2160 N的载荷,刚度242 N/mm[3].骨髌腱骨和胭绳肌腱承受最大载荷分别为2977 N和4090 N,刚度分别为620 N/mm和776 N/mm.研究表明移植物固定必须要能够抵抗450~500 N的载荷[4],Noyes等[5]认为合理估计'生物组织通常情况下承受其断裂时载荷的1/10~1/5的力量',按照前交叉韧带断裂的强度推算日常活动时前交叉韧带需要承受至少454 N的载荷.可见两种移植物本身具有足够的力学特性满足重建手术的需要,而移植固定方式是其中的薄弱环节,移植物的固定有效与否直接决定手术的最终效果.
作者 刘畅 刘玉杰
出处 《中华腔镜外科杂志(电子版)》 2013年第1期48-52,共5页 Chinese Journal of Laparoscopic Surgery(Electronic Edition)
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参考文献50

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二级参考文献12

  • 1刘玉杰,王志刚,李众力,周密,李海鹏,李光辉,薛静,蔡胥,魏民,朱娟丽.嵌压固定法解剖重建前交叉韧带单束损伤[J].中华外科杂志,2006,44(24):1724-1725. 被引量:3
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