线栓法及结扎法制作大鼠下肢缺血模型的比较

被引:2
作者
王芳
刘盛智
赖坤
周翔宇
机构
[1] 四川医科大学附属第一医院血管甲状腺外科
关键词
结扎法; 线栓法; 下肢缺血模型;
D O I
10.19405/j.cnki.issn1000-1492.2016.06.036
中图分类号
R-332 [医用实验动物学]; R543 [血管疾病];
学科分类号
摘要
用线栓和结扎股动脉两种方法制备SD大鼠下肢缺血模型,通过多普勒激光扫描记录各组双下肢血流灌注值(PU),取大鼠双后肢腓肠肌及线栓处股动脉进行HE染色;手术侧腓肠肌,采用Western blot法检测血管内皮生长因子(VEGF)和血小板-内皮细胞黏附分子-1(CD31)。结果显示,结扎组的组织炎症、水肿发生时间较线栓组提前,而组织血流灌注在第49天时两组并无太大差异,结扎组的VEGF和CD31变化时间均比线栓组提前,但两者的变化趋势是一样的,在第49天时除线栓组CD31外,均可恢复正常水平。长时间观察两种模型并没有太大差异,故两种方法都可制作慢性下肢缺血模型。
引用
收藏
页码:913 / 916
页数:4
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