MyocardiumHeart FailureHeartGene ExpressionGene Expression RegulationGene Transfer TechniquesGene Expression ProfilingGenetic TherapyGenetic VectorsAdenoviridaebeta-GalactosidaseRNA, MessengerHeart RateCardiac Output, LowHeart Failure, SystolicOligonucleotide Array Sequence AnalysisHeart Failure, DiastolicStroke VolumeHeart DiseasesTime FactorsCardiomyopathy, DilatedHeart TransplantationNatriuretic Peptide, BrainVentricular Function, LeftVentricular Dysfunction, LeftHemodynamicsChronic DiseaseTreatment FailureGene Expression Regulation, DevelopmentalTreatment OutcomeVentricular RemodelingAdrenergic beta-AntagonistsReverse Transcriptase Polymerase Chain ReactionTranscription, GeneticHeart Defects, CongenitalCardiotonic AgentsEchocardiographyMyocardial ContractionDisease Models, AnimalPromoter Regions, GeneticTranscription FactorsMyocytes, CardiacPrognosisBase SequenceCardiomegalyMolecular Sequence DataFollow-Up StudiesCardiac Pacing, ArtificialProspective StudiesGene Expression Regulation, NeoplasticSignal TransductionCardiomyopathiesHeart Function TestsMyocardial InfarctionGene Expression Regulation, EnzymologicBiological MarkersRisk FactorsCells, CulturedDiureticsHeart AtriaAngiotensin-Converting Enzyme InhibitorsHeart-Assist DevicesHospitalizationGene Expression Regulation, PlantMyocardial IschemiaFetal HeartExercise TestPropanolaminesRats, Sprague-DawleyHeart VentriclesSeverity of Illness IndexMice, Inbred C57BLPredictive Value of TestsDogsGene Expression Regulation, BacterialSystoleRetrospective StudiesAtrial Natriuretic FactorHeart ValvesCell LineDiastoleDNA-Binding ProteinsGene Expression Regulation, ViralExercise ToleranceKidney Failure, ChronicUp-RegulationDose-Response Relationship, DrugDigoxinCarbazolesReproducibility of ResultsOxygen ConsumptionRisk AssessmentVentricular DysfunctionMutationRats, WistarCluster AnalysisSympathetic Nervous SystemSurvival AnalysisPhenotypeDouble-Blind Method