近年来,对腹主动脉瘤的病因学和手术技术的简化有了进一步的认识.[腹主动脉瘤的病因] 根据新近的认识,至少能将腹主动脉瘤分为两种不同的类型.一类为遗传性易发动脉瘤的病人.这些人可能缺乏胶原交叉链,致动脉延长和弯曲;还可能有主动脉瘤的家族史,多处发生动脉瘤.Clifton报告有一家三兄弟中全部患腹主动脉瘤.另一类则为继发于动脉粥样硬化.通常认为,动脉瘤最常见的原因是动脉粥样硬 In recent years, the etiology of abdominal aortic aneurysms and the surgical technique has been further simplified. [The cause of abdominal aortic aneurysm] According to recent knowledge, at least abdominal aortic aneurysm can be divided into two different types. One is a class of hereditary, vulnerable aneurysm patients who may lack collagen cross-links, prolong and bend the arteries, may have a family history of aortic aneurysms, and may have multiple aneurysms. Clifton reports that all three Suffering from abdominal aortic aneurysm.The other is secondary to atherosclerosis.It is generally believed that the most common cause of aneurysms is atherosclerosis