BioprosthesisHeart Valve ProsthesisHeart Valve Prosthesis ImplantationAortic ValveHeart Valve DiseasesProsthesis DesignAortic Valve StenosisProsthesis FailureAortic Valve InsufficiencyMitral ValveProsthesis FittingGlutaralPericardiumMaterials TestingHemodynamicsReoperationCardiac CatheterizationEchocardiography, DopplerSwineCalcinosisTreatment OutcomeStentsEquipment Design