Elective Abdominal Aortic Aneurism - Open Versus Endovascular Repair

Inclusion Criteria: * Patients aged 50 years old or more (more than 80 possible depending on physiological age) * Level 0, 1, or 2 of operative risk * Abdominal aortic aneurysm with a diameter \> or equal to 50 mm or \> or equal to 40 mm if rapid growing (10 mm or more in a year), or painful, or saccular aneurysms, or aneurisms of common iliac arteries with a diameter equal or superior to 30 mm; or women with a diameter equal to 45 mm; * Aortic neck superior or equal to 1.5 cm * No stenosis superior or equal to 75% of the superior mesenteric artery * Proximal neck angulation inferior to 80° * Diameter of the iliac arteries compatible with introducer sheath * Inform consent signed Exclusion Criteria: * Aneurysm involving the renal arteries or with the length of the neck less than 1.5 cm * Thrombus or major calcification in the neck * Diameter of the iliac arteries not compatible with introducer sheath * Level 3 of operative risk * History of major iodine allergy (Quincke oedema, anaphylactic shock) * Other comorbidity with life expectancy less than 6 months * Follow up impossible during the trial * Participation in another trial * Inform consent not signed