© Copyright 2026 American Medical Association. All rights reserved.
Endovascular repair of an abdominal aortic aneurysm or dissection is a minimally invasive surgical procedure that utilizes a prosthesis to reinforce the weakened area of the abdominal aorta. This procedure is specifically indicated for cases where the aneurysm or dissection extends into the visceral branches of the aorta, which include the superior mesenteric artery, celiac artery, and renal arteries. The use of aorto-uni-iliac or aorto-unifemoral prostheses allows for the effective treatment of these complex vascular conditions without the need for extensive open surgery. The procedure begins with a small incision made in the groin area to access the femoral artery, through which specialized instruments are introduced. A guide wire is carefully navigated through the vascular system to reach the aorta, allowing for the placement of the prosthesis in a precise location above the aneurysm while ensuring that it adequately covers the defect. The deployment of the prosthesis is guided by fluoroscopic imaging, which provides real-time visualization to confirm correct placement and to check for any potential complications, such as endoleaks. This technique not only aims to repair the aneurysm but also to preserve blood flow to the vital organs supplied by the visceral branches of the aorta, thereby enhancing patient outcomes and reducing recovery time compared to traditional surgical methods.
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