唐文胜,蒋电明,安洪,李帮春,孟纯阳,肖智博,徐兵,$2.纳米羟基磷灰石/聚酰胺复合人工椎板预防脊柱后路术后椎管内瘢痕粘连的实验研究[J].中国脊柱脊髓杂志,2005,(11):-678,i0001.
纳米羟基磷灰石/聚酰胺复合人工椎板预防脊柱后路术后椎管内瘢痕粘连的实验研究
An experimental study of nano-hydroxyapatite/polyamide-66 composite material artificial vertebral lamina on preventing the postlaminectomy scar formation and the dura adherence
  
DOI:
中文关键词:  纳米羟攮磷灰石 聚酰胺66 人工椎板 椎板切除术 犬
英文关键词:Nano-hydroxyapatite  Polyamide-66  Artificial vertebral lamina  Laminectomy  Dog
基金项目:国家高技术研究发展计划(863计划)子课题(2002AA326020)
唐文胜  蒋电明  安洪  李帮春  孟纯阳  肖智博  徐兵  $2
[1]重庆医科大学附属第一医院骨科,400016 [2]重庆市第四人民医院骨科,400014 [3]重庆医科大学附属第一医院放射科,400016
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中文摘要:
  目的:探讨纳米羟基磷灰百/聚酰胺(nano-hydmxyapatite/polyamide-66,n-HA/PA66)复合人工椎板在防止脊柱后路术后椎管内瘢痕粘连,重建脊柱后部结构完整性的价值。方法:22只1岁龄雄性家犬行L5椎板切除,实验组13只行复合人丁椎板植入,另9只作空白对照。术后4、8、16、24周各时相点摄X线片,行组织学、扫描电镜观察;术后24周行MRI检查.结果:实验组术后16~24周复合人工椎板界面观察到软骨细胞及板层骨,硬膜粘连程度比对照组明瞳减轻(P〈0.01)。术后24周时MRi显示实验组椎管完整性恢复。结论:n-HA/PA66复合材料具有良好的生物相容性,能有效阻止硬膜外粘连。
英文摘要:
  Objective:To evaluate the effect of artificial vertebral lamina made from nano-hydroxyapatite/polyamide-66(n-HA/PA66) on preventing the postlaminectomy scar formation and the dura adherence in the spinal canal,and constructing vertebral canal posterior el
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