Mitral Valve InsufficiencyMitral ValveAortic Valve InsufficiencyHeart Valve DiseasesTricuspid Valve InsufficiencyPulmonary Valve InsufficiencyAortic ValveMitral Valve ProlapseVenous ValvesMitral Valve StenosisHeart Valve Prosthesis ImplantationHeart Valve ProsthesisCardiac Surgical ProceduresMitral Valve AnnuloplastyAnticoagulantsRheumatic Heart DiseaseAortic Valve StenosisTreatment OutcomeWarfarinHeart ValvesChordae TendineaeInternational Normalized RatioAdrenal InsufficiencyAtrial FibrillationEchocardiographyEndocarditisPhentermineEndocarditis, BacterialTricuspid ValveBioprosthesisThromboembolismEchocardiography, TransesophagealPulmonary ValveAntistreptolysinRenal InsufficiencyFenfluramineHeart AtriaVenous InsufficiencyHeart DiseasesEchocardiography, DopplerFollow-Up StudiesHemorrhageExocrine Pancreatic InsufficiencyEchocardiography, Three-DimensionalAppetite DepressantsRetrospective StudiesCardiac Valve AnnuloplastyTime FactorsCalcinosisPlacental InsufficiencyRisk FactorsHeparinPhonocardiographyThrombosisEchocardiography, Doppler, ColorCardiomyopathiesCatheterization