Heart FailureObesityHeartHeart RateCardiac Output, LowHeart Failure, SystolicHeart Failure, DiastolicObesity, MorbidStroke VolumeMyocardiumHeart DiseasesHeart TransplantationCardiomyopathy, DilatedNatriuretic Peptide, BrainVentricular Function, LeftVentricular Dysfunction, LeftChronic DiseaseRisk FactorsHemodynamicsObesity, AbdominalTreatment FailureAdrenergic beta-AntagonistsVentricular RemodelingTreatment OutcomeTime FactorsPediatric ObesityBody Mass IndexEchocardiographyHeart Defects, CongenitalCardiotonic AgentsProspective StudiesFollow-Up StudiesMyocardial ContractionCardiac Pacing, ArtificialHeart Function TestsCardiomyopathiesCardiomegalyPrognosisMyocardial InfarctionMyocytes, CardiacDiureticsDisease Models, AnimalAngiotensin-Converting Enzyme InhibitorsHeart AtriaBiological MarkersHeart-Assist DevicesHospitalizationExercise TestMyocardial IschemiaSeverity of Illness IndexFetal HeartRetrospective StudiesPropanolaminesBody WeightPrevalenceSystolePredictive Value of TestsCohort StudiesRisk AssessmentDiastoleHeart VentriclesHeart ValvesDogsKidney Failure, ChronicExercise ToleranceUnited StatesOxygen ConsumptionSympathetic Nervous SystemDigoxinOverweightVentricular DysfunctionBlood PressureAtrial Natriuretic FactorCarbazolesProportional Hazards ModelsPatient ReadmissionEchocardiography, DopplerAge FactorsHeart BlockVentricular PressureExerciseEnergy MetabolismCardiovascular DiseasesDouble-Blind MethodCardiovascular AgentsComorbiditySurvival AnalysisCross-Sectional StudiesMineralocorticoid Receptor AntagonistsAdipose TissueInsulin ResistancePulmonary Wedge PressureCoronary DiseaseCase-Control StudiesSurvival RateSpironolactoneFailure to ThriveMetoprololSex FactorsIncidence