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Clinical applications of machine learning in the diagnosis, classification, and prediction of heart failure Rationale and design of the GUIDE-IT study: Guiding Evidence Based Therapy Using Biomarker Intensified Treatment in Heart Failure Comprehensive intravascular ultrasound assessment of stent area and its impact on restenosis and adverse cardiac events in 403 patients with unprotected left main disease From Subclinical Atherosclerosis to Plaque Progression and Acute Coronary Events Primary Prevention of Sudden Cardiac Death Association of Abnormal Left Ventricular Functional Reserve With Outcome in Heart Failure With Preserved Ejection Fraction The year in cardiology: heart failure: The year in cardiology 2019 Prevalence and clinical implications of valvular calcification on coronary computed tomography angiography Percutaneous Atriotomy for Levoatrial–to–Coronary Sinus Shunting in Symptomatic Heart Failure: First-in-Human Experience Poor Long-Term Survival in Patients With Moderate Aortic Stenosis

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.