First, the groin is injected with a neighborhood anesthetic which numbs the region, then a catheter is positioned into an artery from the groin and directed into your aorta. Contrast dye is injected in the aorta, aneurysm, and blood vessels branching off of your aorta, which provides the vascular surgeon https://www.sgvascularctr.com/abdominal-aortic-aneurysm-treatment-in-singapore-a-comprehensive-guide/