Mitral Valve InsufficiencyMitral ValveAortic Valve InsufficiencyTricuspid Valve InsufficiencyAortic ValvePulmonary Valve InsufficiencyHeart Valve DiseasesTricuspid ValveHeart ValvesMitral Valve ProlapseVenous ValvesHeart Septal DefectsMitral Valve StenosisCardiac Surgical ProceduresHeart Valve Prosthesis ImplantationHeart Defects, CongenitalMitral Valve AnnuloplastyAortic Valve StenosisEchocardiographyHeart Valve ProsthesisHeart Septal Defects, VentricularEndocardial Cushion DefectsPulmonary ValveEndocardial CushionsFetal HeartChordae TendineaeTreatment OutcomeHeartHeart VentriclesBioprosthesisHeart Septal Defects, AtrialEchocardiography, Doppler, ColorAdrenal InsufficiencyHeart AtriaTransposition of Great VesselsFontan ProcedureEbstein AnomalyHemodynamicsHeart SeptumHeart DiseasesCardiomyopathiesMyocytes, CardiacEchocardiography, TransesophagealMyocardiumTime FactorsVenous InsufficiencyCardiac Valve AnnuloplastyHeart FailureRenal InsufficiencyElectrocardiographyUltrasonography, PrenatalRetrospective StudiesAortopulmonary Septal DefectRheumatic Heart DiseaseEndomyocardial FibrosisEndocarditis, BacterialCardiac CatheterizationCardiomegalyEchocardiography, Three-DimensionalEndocarditisFollow-Up StudiesEchocardiography, Four-DimensionalHypoplastic Left Heart SyndromeExocrine Pancreatic InsufficiencySeverity of Illness IndexPhonocardiographyEchocardiography, DopplerCardiomyopathy, DilatedPlacental InsufficiencyFatal OutcomeCatheterizationFibrosisHeart AuscultationCardiac OutputPregnancyInfant, NewbornProsthesis Design