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2013 ACCF/AHA Guideline for the Management of Heart Failure: A Report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines

The medical profession should play a central role in evaluating the evidence related to drugs, …

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2013 ACCF/AHA Guideline for the Management of Heart Failure: Executive Summary A Report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines

Heart failure (HF) is a major public health issue, with a prevalence of over 5.8 million in the USA, and over 23 million worldwide, and rising. The lifetime risk of developing HF is one in five. Although promising evidence shows that the age-adjusted incidence of HF may have plateaued, HF still carries substantial morbidity and mortality, with 5-year mortality that rival those of many cancers. HF represents a considerable burden to the health-care system, responsible for costs of more than $39 billion annually in the USA alone, and high rates of hospitalizations, readmissions, and outpatient visits. HF is not a single entity, but a clinical syndrome that may have different characteristics depending on age, sex, race or ethnicity, left ventricular ejection fraction (LVEF) status, and HF etiology. Furthermore, pathophysiological differences are observed among patients diagnosed with HF and reduced LVEF compared with HF and preserved LVEF, which are beginning to be better appreciated in epidemiological studies. A number of risk factors, such as ischemic heart disease, hypertension, smoking, obesity, and diabetes, among others, have been identified that both predict the incidence of HF as well as its severity. In this Review, we discuss key features of the epidemiology and risk profile of HF.

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Epidemiology and risk profile of heart failure

Objectives Platelet activation and aggregation play an important role in the pathogenesis of cardiovascular disease. We examined the association of a single nucleotide polymorphism (SNP) in the GPIIIa platelet glycoprotein (Leu33Pro) with carotid artery plaque morphology and with expression of platelet markers using data from the Atherosclerosis Risk in Communities (ARIC) Carotid MRI study. Methods The study sample consisted of 1202 Caucasian members of the ARIC study cohort recruited in 2004–2005 to participate in the Carotid MRI Substudy under stratified sampling based on maximum carotid artery wall thickness. The Leu33Pro polymorphism was identified as SNP rs5918 in the ITGB3 gene. Plaque visualization was accomplished with contrast enhanced MRI examination of the thickest segment of the carotid artery. Expression of platelet markers was measured using fasting whole blood flow cytometry. Results This cross-sectional analysis based on age and gender adjusted weighted linear regression models suggests that those homozygous for the Leu33Pro risk allele (C) have decreased mean and minimum fibrous cap thickness. We did not observe differences in plaque lipid volume or maximum carotid artery wall thickness across SNP rs5918 genotypes. Carriers of the Leu33Pro polymorphism, as compared to major allele homozygotes, had greater percent of platelets expressing P-selectin, a platelet glycoprotein indicating activation status. Prevalent coronary heart disease did not affect estimates of fibrous cap thickness or of platelet activation. Conclusion Our results suggest that individuals with Leu33Pro polymorphism of the GPIIIa glycoprotein may be predisposed to increased risk of atherosclerotic plaque rupture. © 2011 Elsevier Ireland Ltd. All rights reserved.

The Atherosclerosis Risk in Communities (ARIC) Study

Heart failure (HF) is a rapidly growing public health issue with an estimated prevalence of >37.7 million individuals globally. HF is a shared chronic phase of cardiac functional impairment secondary to many aetiologies, and patients with HF experience numerous symptoms that affect their quality of life, including dyspnoea, fatigue, poor exercise tolerance, and fluid retention. Although the underlying causes of HF vary according to sex, age, ethnicity, comorbidities, and environment, the majority of cases remain preventable. HF is associated with increased morbidity and mortality, and confers a substantial burden to the health-care system. HF is a leading cause of hospitalization among adults and the elderly. In the USA, the total medical costs for patients with HF are expected to rise from US$20.9 billion in 2012 to $53.1 billion by 2030. Improvements in the medical management of risk factors and HF have stabilized the incidence of this disease in many countries. In this Review, we provide an overview of the latest epidemiological data on HF, and propose future directions for reducing the ever-increasing HF burden.

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Teerlink

Papers

HFSA 2010 Comprehensive Heart Failure Practice Guideline.