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