How do the results of endovascular repair of abdominal aortic aneurysm (AAA) compare with those after an open surgical procedure? To answer this question, the investigators conducted a randomized ...

Endovascular aneurysm repair (EVAR) is a minimally invasive surgery that may be used for aortic aneurysms. It involves placing a stent into the aorta to prevent a life threatening aneurysm rupture.