The objective of this study is to answer three specific questions:
- What is the state of the art of effectiveness and cost-effectiveness of endovascular graft repair (EVAR) of abdominal aorta aneurysm (AAA), compared to watchful waiting and open repair?
- For which patient groups is EVAR a better choice than watchful waiting and open repair?
- What are the best conditions for safe use of EVAR?