Heart FailureHypertrophyHeartHypertrophy, Left VentricularCardiomegalyHeart RateMyocardiumCardiac Output, LowHeart Failure, SystolicHeart Failure, DiastolicMyocytes, CardiacVentricular RemodelingEchocardiographyVentricular Function, LeftStroke VolumeHeart DiseasesHemodynamicsCardiomyopathy, DilatedVentricular Dysfunction, LeftNatriuretic Peptide, BrainHypertrophy, Right VentricularHeart TransplantationMyocardial ContractionChronic DiseaseHeart VentriclesTreatment FailureAdrenergic beta-AntagonistsCardiotonic AgentsTime FactorsCardiomyopathiesTreatment OutcomeDisease Models, AnimalHeart Defects, CongenitalAtrial Natriuretic FactorHeart Function TestsAngiotensin-Converting Enzyme InhibitorsCardiac Pacing, ArtificialFollow-Up StudiesProspective StudiesMyocardial InfarctionBlood PressureFibrosisSystoleRisk FactorsDiastoleHeart AtriaPrognosisDiureticsHypertensionVentricular PressureOrgan SizeRats, Sprague-DawleyCardiomyopathy, HypertrophicHeart-Assist DevicesMyocardial IschemiaFetal HeartPropanolaminesBiological MarkersExercise TestHospitalizationDogsElectrocardiographySeverity of Illness IndexKidney Failure, ChronicVentricular DysfunctionEchocardiography, DopplerPredictive Value of TestsRats, WistarHeart ValvesRetrospective StudiesAngiotensin IIExercise ToleranceDigoxinHeart BlockSympathetic Nervous SystemCarbazolesOxygen ConsumptionSarcoplasmic Reticulum Calcium-Transporting ATPasesEndomyocardial FibrosisMineralocorticoid Receptor AntagonistsSignal TransductionRisk AssessmentSpironolactoneRNA, MessengerCardiovascular AgentsCells, CulturedAntihypertensive AgentsIsoproterenolNorepinephrineDisease ProgressionPatient ReadmissionProportional Hazards ModelsMyosin Heavy ChainsKidneyMice, TransgenicCell EnlargementDouble-Blind MethodCell SizeSurvival AnalysisReceptors, Adrenergic, beta