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支架表面的光滑度对家兔髂动脉内膜增生的影响
Authors
何世华
巩燕
+4 more
江宏飞
王焱
郑剑涛
黄卫斌
Publication date
20 June 2007
Publisher
Abstract
目的研究金属支架表面的光滑程度对兔髂动脉模型内膜增生的影响,探讨动脉支架植入术后再狭窄的影响因素。方法选择30只家兔对侧髂动脉作为自身相互对照,随机在一侧髂动脉植入30枚表面光滑支架(组1),而在另一侧植入30枚表面粗糙的支架(组2)。术后5个月处死家兔,并将所有髂动脉取出,对支架部位进行形态学分析。结果组1兔髂动脉测量段内膜面积小于组2:0.69±0.30对1.48±0.32mm2(P<0.05)。组1的内膜及中层横截面积的比率小于组2,1.27±0.47对3.08±0.89(P<0.01)。结论粗糙的支架表面明显增加支架内的内膜增生
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Last time updated on 16/06/2016