Effects of propranolol on recovery of heart rate variability following acute myocardial infarction and relation to outcome in the Beta-Blocker Heart Attack Trial
Lampert R, Ickovics JR, Viscoli CJ, Horwitz RI, Lee FA. Effects of propranolol on recovery of heart rate variability following acute myocardial infarction and relation to outcome in the Beta-Blocker Heart Attack Trial. The American Journal Of Cardiology 2003, 91: 137-142. PMID: 12521623, DOI: 10.1016/s0002-9149(02)03098-9.Peer-Reviewed Original ResearchConceptsBeta-Blocker Heart Attack TrialAcute myocardial infarctionHeart rate variabilityPlacebo-treated patientsHeart Attack TrialMyocardial infarctionEffect of propranololBeta blockersAttack TrialDepressed heart rate variabilityRate variabilityRecovery of HRVLF/HF ratioPropranolol-treated patientsWeeks of treatmentHF ratioHigh-frequency powerPropranolol therapyPropranolol treatmentSympathetic predominanceAutonomic toneParasympathetic toneSympathovagal balanceImproved outcomesSudden death