Aortic Valve StenosisAortic ValveAortic Valve InsufficiencyHeart Valve Prosthesis ImplantationPulmonary Valve StenosisHeart Valve ProsthesisHeart Valve DiseasesAortaCalcinosisMitral ValveCardiac CatheterizationTricuspid Valve StenosisBioprosthesisMitral Valve StenosisCatheterizationAortic AneurysmEchocardiographyAorta, ThoracicPulmonary ValveEchocardiography, DopplerTreatment OutcomeEchocardiography, TransesophagealProsthesis DesignSeverity of Illness IndexBloodless Medical and Surgical ProceduresHemodynamicsCarotid StenosisAortic DiseasesHypoplastic Left Heart SyndromeBalloon ValvuloplastyAortographyAngiodysplasiaAneurysm, DissectingTricuspid ValveEchocardiography, Doppler, ColorBlood Flow VelocityFollow-Up StudiesCoronary StenosisDilatation, PathologicVentricular Function, LeftTime FactorsProspective StudiesAortic CoarctationHeart VentriclesHeart Defects, CongenitalVentricular Outflow ObstructionSpinal StenosisRetrospective StudiesAortic Aneurysm, ThoracicAorta, AbdominalMitral Valve InsufficiencyTomography, X-Ray ComputedTracheal StenosisBlood Vessel Prosthesis ImplantationRisk FactorsPredictive Value of TestsStroke VolumeObserver VariationConstriction, PathologicAortic Valve ProlapseVentricular Dysfunction, LeftRisk AssessmentMarfan SyndromeBlood PressurePulmonary Subvalvular StenosisDisease ProgressionAortic Stenosis, SupravalvularEndocarditis, BacterialMitral Valve ProlapseHypertrophy, Left VentricularInfant, NewbornPyloric StenosisPolyethylene TerephthalatesCardiac Surgical ProceduresReoperationRheumatic Heart DiseaseCardiopulmonary BypassThoracotomyPhonocardiographyAneurysm, FalseBlood Vessel ProsthesisAortitisPostoperative ComplicationsDiscrete Subaortic StenosisDiastoleCirculatory Arrest, Deep Hypothermia InducedHeart Septal Defects, VentricularReproducibility of ResultsSinus of ValsalvaSternotomyCardiac Valve AnnuloplastyVenous ValvesEchocardiography, Three-DimensionalSternumAneurysm, InfectedEndocarditisAortic RuptureStentsNoonan SyndromeAortic Stenosis, Subvalvular