Mitral Valve InsufficiencyHeart Valve DiseasesMitral ValveAortic Valve InsufficiencyTricuspid Valve InsufficiencyPulmonary Valve InsufficiencyAortic ValveMitral Valve ProlapseVenous ValvesMitral Valve StenosisHeart Valve Prosthesis ImplantationHeart Valve ProsthesisCardiac Surgical ProceduresMitral Valve AnnuloplastyRheumatic Heart DiseaseAortic Valve StenosisHeart ValvesChordae TendineaeTreatment OutcomeAdrenal InsufficiencyPhentermineEchocardiographyEndocarditisTricuspid ValveEndocarditis, BacterialBioprosthesisPulmonary ValveAntistreptolysinFenfluramineVenous InsufficiencyRenal InsufficiencyEchocardiography, TransesophagealHeart AtriaEchocardiography, DopplerHeart DiseasesExocrine Pancreatic InsufficiencyAtrial FibrillationEchocardiography, Three-DimensionalAppetite DepressantsCardiac Valve AnnuloplastyCalcinosisPlacental InsufficiencyFollow-Up StudiesPhonocardiographyEchocardiography, Doppler, Color