Inclusion Criteria (Surgical Patients):
- Non-emergent surgical candidate (aneurysm has not ruptured)
- Patients 21 years of age or older
- Male or infertile Female
- Aneurysm >/=4.5 cm in diameter, or
- Aneurysm >/= twice the normal aortic diameter directly above the aneurysm, or
- Aneurysm >/= 4.0 cm in diameter and rapidly growing (0.5 cm in 6 months), or
- Saccular aneurysm > 3.0 cm
Inclusion Criteria (Stent Graft Patients)
- Patient meets all inclusion criteria for surgical candidate
- Aneurysm starts >/= 10 mm below the most distal main renal artery and the diameter of aorta within that aortic neck segment is not variable
- Diameter of aortic fixation zone (neck) >/= 22mm and </= 30 mm
- Supra renal aortic diameter </= 34 mm
- The required device coverage length >/= 13 cm extending from most distal main renal artery ostium to the distal anchoring site within the common iliac artery (or external iliac artery if planned occlusion of internal iliac artery)
- Aortic neck angulation < 60° as estimated from CT scan images or angiogram
- Iliac artery attachment zone diameter </= 20 mm
- Iliac arteries with a length of >/= 10 mm of non-aneurysmal vessel located at the iliac graft attachment sites
- Iliac arteries with adequate peripheral access to accommodate a 22 Fr catheter delivery system
- Aortic bifurcation > 18 mm in diameter
- Creatinine level < 2.5 mg/dl
Exclusion Criteria (Surgical and Stent Graft Patients):
- Weight > 350 lbs. (159 Kg)
- Mycotic, ruptured or traumatic aneurysm
- Life expectancy < 2 years
- MI, cerebral vascular accident or transient ischemic attack (TIA) within 6 months
- Expected occlusion or the need for re-implantation of significant mesenteric or renal arteries originating from the AAA
Exclusion Criteria (Stent Graft Patients only)
- Aneurysm is symptomatic or tender
- Creatinine > 2.5 mg/dl or patient on dialysis
- Thrombus in proximal and distal attachment area covering greater than 50% of the endoluminal surface