Inclusion Criteria:  Patient is aged 18 years or over Infrarenal Aortic Aneurysm ≥ 45 mm in diameter. Patient meets on-IFU criteria for endovascular reconstruction  Exclusion Criteria:  Patient has a known or clinically suspected major connective tissue disorder, autoimmune disorder, vasculitis, or aortic dissection. Patient has renal failure (defined as dialysis dependent or serum creatinine ≥2.0mg/dL or 175umol/L Patients with previous aortic reconstruction in the involved segment. Patients receiving oral or parenteral corticosteroid therapy for other unrelated disease. (Excludes inhaled corticosteroids). Patient has a sensitivity to contrast imaging agents. Patient has aortic dissection. Patient has atrial fibrillation. Patient has arrhythmia.