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腹主动脉瘤(AAA)发病率日趋增高,国外资料60岁以上发病率高达2.6%~9%,直径大于5cm者破裂率达50%,大于10cm者达80%。为探索AAA病因及发病机理,并寻求药物治疗的新方法,我们率先在国内应用猪胰弹力蛋白酶对大鼠肾下腹主动脉节段加压灌注建立了大鼠AAA模型,报道如下
The incidence of abdominal aortic aneurysm (AAA) is increasing day by day. The incidence of foreign materials over the age of 60 is as high as 2.6% ~ 9%. The diameter of rupture is 50% more than 5cm in diameter and 80% in more than 10cm. To explore the etiology and pathogenesis of AAA and to seek new ways of drug treatment, we first established the rat AAA model by applying porcine pancreatic elastase to the subrenal abdominal aortic segment in rats, which is reported as follows