Mitral Valve InsufficiencyMitral ValveAortic Valve InsufficiencyHeart Valve DiseasesTricuspid Valve InsufficiencyPulmonary Valve InsufficiencyAortic ValveMitral Valve ProlapseVenous ValvesMitral Valve StenosisHeart Valve Prosthesis ImplantationHeart Valve ProsthesisCalcinosisCardiac Surgical ProceduresMitral Valve AnnuloplastyRheumatic Heart DiseaseAortic Valve StenosisVascular CalcificationHeart ValvesChordae TendineaeTreatment OutcomeAdrenal InsufficiencyEchocardiographyPhentermineEndocarditisTricuspid ValveEndocarditis, BacterialBioprosthesisCalcification, PhysiologicPulmonary ValveAntistreptolysinFenfluramineRenal InsufficiencyVenous InsufficiencyEchocardiography, TransesophagealHeart AtriaEchocardiography, DopplerHeart DiseasesExocrine Pancreatic InsufficiencyAtrial FibrillationCardiac Valve AnnuloplastyEchocardiography, Three-DimensionalAppetite DepressantsCardiomyopathiesFollow-Up StudiesPlacental InsufficiencyEchocardiography, Doppler, ColorPhonocardiographyRetrospective StudiesRisk Factors