Post TAVI Coronary REVASCularisation Guided by Myocardial Perfusion Imaging: a Prospective Open Label Pilot Study: The REVASC-TAVI Study

Inclusion Criteria: * Patients older than 18 years * Severe and symptomatic aortic stenosis defined as a median trans-valvular gradient higher than 40 mmHg and an aortic valve area of less than 1.0 cm2 or 0,6 cm2/m2 on echocardiography associated to significant CAD defined by ≥1 stenosis of ≥70% in a major epicardial coronary artery or ≥50% for left main * Patients is not candidate for surgical aortic valve replacement after the multidisciplinary heart team decision. Exclusion Criteria: * Recent acute coronary syndrome (within 30 days before randomization), * Unprotected left main disease * Critical stenosis (\>90%) of Left Anterior Descending artery (LAD), * Significant angina (CCS class more than 2) * Active bleeding, * Contraindication for tomographic technetium-99 assessment or dipyridamole injection * Previous enrollment in a other study * Impossibly to obtain consent