ViTAA Registry Pre- and Post-Operative Monitoring for Endovascular Aortic Aneurysm Repair and Serial Monitoring for AAA

Inclusion Criteria: 1. Patient is aged 18 years or over 2. Infrarenal Aortic Aneurysm ≥ 45 mm in diameter. 3. Patient meets on-IFU criteria for endovascular reconstruction Exclusion Criteria: 1. Patient has a known or clinically suspected major connective tissue disorder, autoimmune disorder, vasculitis, or aortic dissection. 2. Patient has renal failure (defined as dialysis dependent or serum creatinine ≥2.0mg/dL or 175umol/L 3. Patients with previous aortic reconstruction in the involved segment. 4. Patients receiving oral or parenteral corticosteroid therapy for other unrelated disease. (Excludes inhaled corticosteroids). 5. Patient has a sensitivity to contrast imaging agents. 6. Patient has aortic dissection. 7. Patient has atrial fibrillation. 8. Patient has arrhythmia.