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Impact of Off-Hours Versus On-Hours Primary Percutaneous Coronary Intervention on Myocardial Damage and Clinical Outcomes in ST-Segment Elevation Myocardial Infarction Transcatheter Laceration of Aortic Leaflets to Prevent Coronary Obstruction During Transcatheter Aortic Valve Replacement: Concept to First-in-Human Eruptive Calcified Nodules as a Potential Mechanism of Acute Coronary Thrombosis and Sudden Death Canadian SCAD Cohort Study: Shedding Light on SCAD From a United Front Decreased inspired oxygen stimulates de novo formation of coronary collaterals in adult heart BMI, Infarct Size, and Clinical Outcomes Following Primary PCI Patient-Level Analysis From 6 Randomized Trials Effect of Smoking on Outcomes of Primary PCI in Patients With STEMI Association of the PHACTR1/EDN1 Genetic Locus With Spontaneous Coronary Artery Dissection Update in the Percutaneous Management of Coronary Chronic Total Occlusions Selection of stenting approach for coronary bifurcation lesions

Review ArticleVolume 74, Issue 5, August 2019

JOURNAL:J Am Coll Cardiol. Article Link

The Evolution of β-Blockers in Coronary Artery Disease and Heart Failure (Part 1/5)

P Joseph, K Swedberg, DP Leong et al. Keywords: heart failure; HF following ACS; stable CAD; β-blocker;

ABSTRACT


As new treatments continue to improve clinical outcomes in coronary artery disease (CAD) and heart failure, it is necessary to characterize the appropriate use of β-adrenergic receptor blockers (β-blockers) in the contemporary management of these conditions. This review examines the current evidence supporting β-blocker use in heart failure with preserved ejection fraction (HFpEF), heart failure with midrange ejection fraction (HFmEF), and heart failure with reduced ejection fraction (HFrEF), following acute coronary syndrome and in stable CAD. β-Blockers remain essential in the treatment of HFrEF, but limited evidence supports their use in HFmEF or HFpEF. They should still be considered routinely following acute coronary syndrome, but there is a need for contemporary trials that re-examine this in patients without left ventricular dysfunction, as well as in patients with stable CAD. From a global perspective, more studies are needed to characterize the extent of β-blocker use in CAD and heart failure, and how evidence-based use can be improved in these conditions.