Inclusion Criteria:  Male or female > 18 years old All patients treated in the vascular surgery department of Besançon for an abdominal aortic aneurysm with an endoprothesis (symptomatic or asymptomatic)  Exclusion Criteria:  Patient in emergency situation (ruptured abdominal aortic aneurysm) Life expectancy supposed to be inferior to 1 year Legal incapacity or limited capacity Pregnant female Patient unlikely to cooperate with the study Patient without health insurance