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黄芪预防术后硬膜外粘连的实验研究 被引量:19

An experimental study of prevent ive effects of Huangqi on postoperative peridural adhesion
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摘要 目的 探讨黄芪预防术后硬膜外瘢痕粘连的效果。方法  2 2只新西兰兔行L2 和L5节段椎板切除术 ,切除部分黄韧带 ,暴露脂肪 ,去除硬膜外脂肪 ,分为两组 :A组为黄芪组 ;B组为生理盐水组 ,分别在L2 和L5椎板缺损区注入黄芪液和生理盐水 ,术后 2、4、8周取材作光镜、透镜观察。结果 黄芪组炎性细胞渗出较少 ,成纤维细胞较少 ,胶原纤维形成较少 ,硬膜外瘢痕无粘连 ,脊髓和神经根未见变性和脱髓鞘。生理盐水组硬膜外瘢痕粘连明显。结论 黄芪无神经毒性作用 。 To study the effects of Huangqi(Chinese herb)for prevention of peridural adhesio n after operation. MethodsL 2 and L 5 laminectomy of 22 New Zealan d rabbits were performed in this experim ental study.Partial yellow ligament was sectioned and fat was exposed.Then the p eridural fat was sectioned.The 44 verteb ral lamina seyments were randomly divide d into two groups of a. Huangqi group an d b.Normal Saline(NS)group.The b group wa s control group.Huangqi liquid and NS we re separately injected into the defect p oints of L 2 and L 5 vertebral lamina of the two groups.The speciments were obta ined at 2nd,4th and 8th weeks after oper ation.Optical microscope and transmissio n electron microscope were used for the observation. ResultsThere were many changes in group a:littl e migration of inflammation cells,small number of fibroblast and collagen,no adh esion of peridural scar,no degeneration and demyelination of spinal nerves.But i n group b,adhesion of peridural scar cou ld be seen clearly. ConclusionHuangqi has no nerve toxicity and it cou ld be used as a good medicine to prevent postoperative peridural adhesion.
出处 《中国骨伤》 CAS 2001年第3期152-153,共2页 China Journal of Orthopaedics and Traumatology
基金 上海市卫生局课题! (编号 :95A2 51 5)
关键词 中草药 术后并发症 组织细胞 Chinese herbal medicine〓Postoperative
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