CT-evaluation of Coronary Ostia Height After Surgical Aortic Valve Replacement.

Inclusion Criteria: * Age ≥ 18 years; * Aortic valve stenosis or insufficiency with indication for elective aortic valve replacement with a bioprosthesis; * Possible concomitant coronary artery disease with indication for surgical or percutaneous revascularization; * CT imaging of the thorax with iodinated contrast agent carried out before surgery; * Signed informed consent, inclusive of release of medical information. Exclusion Criteria: * Aortic valve replacement in bicuspid valve or endocarditis; * Aortic valve replacement associated with surgery of ascending aorta/aortic root; * Aortic valve replacement associated with other cardiac valve surgery; * Previous cardiac surgery of any kind; * Patient unable to give informed consent or potentially noncompliant with the study protocol, in the judgment of the investigator; * Participation in another clinical trial that could interfere with the endpoints of this study; * Pregnant at time of screening; * Allergy or hypersensitivity to iodinated contrast agent; * End-stage renal disease on dialysis.