Hypoplastic Left Heart SyndromeHeartHeart Bypass, LeftHeart RateHeart Defects, CongenitalNorwood ProceduresFetal HeartHeart FailureVentricular Function, LeftHeart DiseasesVentricular Dysfunction, LeftEndocardial FibroelastosisEchocardiographyHeart AtriaFetal TherapiesHeart VentriclesHeart TransplantationInfant, NewbornCardiac CatheterizationCardiac Surgical ProceduresPalliative CareAortic CoarctationPulmonary ArteryFontan ProcedureHemodynamicsAtrial Function, LeftHeart SeptumAortic Valve StenosisMitral ValveHeart Bypass, RightHypertrophy, Left VentricularHeart Septal Defects, AtrialAortic ValveMyocardiumStroke VolumeUltrasonography, PrenatalMyocardial ContractionCardiac Output, LowTime FactorsTreatment OutcomePulmonary CirculationSafety-Based Drug WithdrawalsVentricular Function, RightCatheterizationHeart ValvesPulmonary VeinsCardiovascular Surgical ProceduresRetrospective StudiesEchocardiography, DopplerDiastoleAorta, ThoracicCardiac VolumeFollow-Up StudiesHeart BlockProspective StudiesBlood Flow VelocityDogsPulmonary Wedge PressureHeart Valve DiseasesEchocardiography, Doppler, ColorPulmonary Heart DiseaseHeart Septal Defects, VentricularDuctus ArteriosusHeart Function TestsHeart Valve ProsthesisAnastomosis, SurgicalSystoleVentricular Outflow ObstructionVentricular FunctionBlalock-Taussig ProcedureMyocardial IschemiaRisk FactorsAtrial SeptumHeart Arrest, InducedDuctus Arteriosus, PatentElectrocardiographyGestational AgeCoronary Vessel AnomaliesPrenatal DiagnosisPregnancyMyocardial InfarctionModels, CardiovascularHypertension, PulmonaryCoronary DiseaseTricuspid ValveVentricular RemodelingVascular ResistanceTricuspid Valve InsufficiencyVentricular Dysfunction, RightMyocytes, CardiacFetal DiseasesCardiomyopathy, DilatedCoronary CirculationPostoperative ComplicationsPredictive Value of TestsCardiac OutputHernia, DiaphragmaticAortaCardiopulmonary BypassCardiac Tamponade