Very first, the groin is injected with a local anesthetic which numbs the region, then a catheter is positioned into an artery inside the groin and directed into the aorta. Contrast dye is injected to the aorta, aneurysm, and blood vessels branching off on the aorta, which provides the vascular https://www.sgvascularctr.com/abdominal-aortic-aneurysm-treatment-in-singapore-a-comprehensive-guide/