Primary Non-invasive Cardiac Computed Tomography Versus Routine Invasive Angiography Prior to TAVI

Inclusion Criteria

• •Severe aortic stenosis (Peak transvalvular gradient of ≥ 40mmHg on TTE or stress Echo, Aortic valve area of \< 1.0cm2)
• •Symptoms suggestive of aortic stenosis (dyspnea, syncope, angina)
• •Eligible for TAVI (Upon evaluation by a multidisciplinary team composed of at least one interventional cardiologist and one cardiothoracic surgeon)