腹主动脉瘤破裂是一常见的致死性疾病.现代指南主张动脉瘤体直径≥5.0 cm者进行修复手术.但扫描发现绝大多数腹主动脉瘤是无症状的小腹主动脉瘤(＜ 5.0 cm).我们回顾有关小腹主动脉瘤的进展观察,影响小腹主动脉瘤进展的因素,特别是对小腹主动脉瘤内科治疗的研究.%Abdominal aortic aneurysm (AAA) is a common lethal condition caused when an aneurysm ruptures. Current guidelines suggest repairing when the aneurysm diameter ≥5.0 cm. But small AAA (<5.0 cm) are detected when screening programs are implemented with most never having exhibited symptoms. In this article we review studies of small AAA and the factors that influence the aneurysm' s progression and its treatment.
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