Patient Reported Health-Related Quality of Life After Limited Access and Conventional Aortic Valve Replacement

Inclusion Criteria: * Patients undergoing an isolated biological aortic valve replacement for a severe and/or symptomatic aortic valve stenosis, defined as: * An aortic valve area of ≤1.0cm2, and; * Mean valve gradient ≥40mmHg, and/or; * A peak velocity of at least 4.0m/s. * Able to understand the nature of the study and what will be required of them; * All adult men and non-pregnant women; * BMI between 18-35. Exclusion Criteria: * Inability to give written informed consent; * Inability to adequately answer the questionnaires; * Patients requiring additional cardiac surgery during the same procedure; * Patients requiring a reoperation; * (relative) contraindications for a limited access approach; * Undergoing an emergency operation; * Recent myocardial infarction (\<90 days); * Recent stroke or transient ischemic attack (\<6 months);