Aortic Valve InsufficiencyMitral Valve InsufficiencyAortic ValveHeart Valve Prosthesis ImplantationHeart Valve ProsthesisHeartEchocardiography, Doppler, ColorTricuspid Valve InsufficiencyMitral ValveAortic Valve StenosisEchocardiographyEchocardiography, DopplerAortic Valve ProlapseHeart Valve DiseasesEchocardiography, TransesophagealAortic AneurysmRheumatic Heart DiseasePulmonary Valve InsufficiencyCardiac CatheterizationHeart RatePhonocardiographyBioprosthesisDiscrete Subaortic StenosisStroke VolumeVentricular Function, LeftSyphilis, CardiovascularMitral Valve AnnuloplastyCardiac Surgical ProceduresSinus of ValsalvaCardiac Valve AnnuloplastyChordae TendineaeTreatment OutcomeHeart FailureFollow-Up StudiesHeart Defects, CongenitalAortitisSeverity of Illness IndexDilatation, PathologicDexfenfluramineMitral Valve ProlapsePulmonary ValveHeart SoundsEchocardiography, Three-DimensionalHemodynamicsTakayasu ArteritisVentricular Dysfunction, LeftHeart Septal Defects, VentricularHeart ValvesHeart DiseasesHeart MurmursTricuspid ValveMarfan SyndromeFenfluramineHeart VentriclesTetralogy of FallotVentricular RemodelingReoperationChronic DiseaseAngiocardiographyTime FactorsBlood Flow VelocityMitral Valve StenosisPhentermineCatheterizationEndocarditis, BacterialAppetite Depressants