National Use and Effectiveness of β-Blockers for the Treatment of Elderly Patients After Acute Myocardial Infarction: National Cooperative Cardiovascular Project
Krumholz HM, Radford MJ, Wang Y, Chen J, Heiat A, Marciniak TA. National Use and Effectiveness of β-Blockers for the Treatment of Elderly Patients After Acute Myocardial Infarction: National Cooperative Cardiovascular Project. JAMA 1998, 280: 623-629. PMID: 9718054, DOI: 10.1001/jama.280.7.623.Peer-Reviewed Original ResearchConceptsBeta-blocker therapyAcute myocardial infarctionDischarge medicationsElderly patientsMyocardial infarctionPrescribed useNational Cooperative Cardiovascular ProjectBeta-blocker prescriptionRetrospective cohort studyVentricular ejection fractionLow-risk populationCalcium channel blockersCooperative Cardiovascular ProjectFamily practice physiciansBetter survival rateEligible patientsCohort studyHospital dischargeOlder patientsSecondary preventionEjection fractionMedical chartsTreatment patternsClinical variablesPotential confounders