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Endoleak: the achilles heel of endovascular abdominal aortic aneurysm exclusion--a case report.

Endovascular exclusion of abdominal aortic aneurysms (EAAA) is an alternative treatment to open surgical repair in patients with suitable anatomy. The development of endoluminal vascular procedures has allowed aneurysm exclusion via remote arterial access techniques. Aneurysm exclusion by these methods revealed the phenomenon of endoleak, a unique complication characterized by an extravasation of blood into the aneurysm sac after stent-graft deployment. We present a patient treated for an endoleak following EAAA repair and review the endoleak classification system and management.