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How is endovascular surgery used to treat aneurysms?

Mark J. Russo, MD
Thoracic Surgery (Cardiothoracic Vascular)

Endovascular stent grafting is similar to the approach that is used for a cardiac catheterization of the coronary arteries  

Typically, this procedure requires only small incisions in the groin. Then the surgeon inserts a catheter through the femoral artery in the groin and with the use of x-ray guidance and specially-designed instruments, the aneurysm can be repaired from inside the aorta by inserting a tube, called a stent-graft. This is possible because the tube, or stent graft, is delivered through the catheter in a collapsed state and then expanded at the site of the aneurysm. 

The stent graft reinforces the diseased aortic wall, ensuring continuity of blood flow while preventing further expansion of the aorta, aortic rupture, and/or aortic dissection. 

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