This is a multicentric voluntary observational study with a retrospective evaluation of prospectively collected data concerning the treatment of visceral aneurysms with flow diversion stent Derivo Peripher and Derivo 2 (DED, Acandis GmbH) Follow-up will include clinical and radiological (CT) evaluation at least 12 months after the intervention.
The enrollment period will be of 65 months (01/jan/2020-30/jun/2025). Sample size will be of 100 patients.
>18 years old
Renal artery: >2 cm if fusiform morphology or all dimensions if sacculary or bifurcation morphology, if in fertile women or in hypertensive patients with renal stenosis
Splenic artery: if >2 cm, or all dimensions in fertile women.
Celiac tripod: if >2 cm.
patients who are hemodynamically unstable or show CT signs of rupture or contained rupture of visceral aneurysm
pregnant or breastfeeding women
life expectancy less than 2 years