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 OutcomeEchocardiographyAdrenal InsufficiencyPhentermineEndocarditisTricuspid ValveEndocarditis, BacterialHeart DiseasesBioprosthesisPulmonary ValveAntistreptolysinFenfluramineHeart AtriaVenous InsufficiencyRenal InsufficiencyEchocardiography, TransesophagealEchocardiography, DopplerAtrial FibrillationMyocytes, CardiacExocrine Pancreatic InsufficiencyCardiomyopathiesAppetite DepressantsEchocardiography, Three-DimensionalCardiac Valve AnnuloplastyFollow-Up StudiesCalcinosisPlacental InsufficiencyCardiac CatheterizationTime FactorsEchocardiography, Doppler, ColorPhonocardiographyCardiac OutputRetrospective StudiesHeart FailureElectrocardiography