Current Heart Failure Reports (Curr Heart Fail Rep)

Publisher: Current Medicine Group

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Website Current Heart Failure Reports website
Other titles Current heart failure reports
ISSN 1546-9530
OCLC 53129330
Material type Periodical, Internet resource
Document type Journal / Magazine / Newspaper, Internet Resource

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Current Medicine Group

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    • Reviewed 09 June 2014
    • 'Current Medicine Group' is an imprint of 'Springer Verlag (Germany)'
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Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: The pathogenesis of exercise intolerance in patients with heart failure and preserved ejection fraction (HFpEF) is likely multifactorial. In addition to cardiac abnormalities (diastolic dysfunction, abnormal contractile reserve, chronotropic incompetence), several peripheral abnormalities are likely to be involved. These include abnormal pulsatile hemodynamics, abnormal arterial vasodilatory responses to exercise, and abnormal peripheral O2 delivery, extraction, and utilization. The nitrate-nitrite-NO pathway is emerging as a potential target to modify key physiologic abnormalities, including late systolic left ventricular (LV) load from arterial wave reflections (which has deleterious short- and long-term consequences for the LV), arterial vasodilatory reserve, muscle O2 delivery, and skeletal muscle mitochondrial function. In a recently completed randomized trial, the administration of a single dose of exogenous inorganic nitrate has been shown to exert various salutary arterial hemodynamic effects, ultimately leading to enhanced aerobic capacity in patients with HFpEF. These effects have the potential for both immediate improvements in exercise tolerance and for long-term “disease-modifying” effects. In this review, we provide an overview of key mechanistic contributors to exercise intolerance in HFpEF, and of the potential therapeutic role of drugs that target the nitrate-nitrite-NO pathway.
    No preview · Article · Jan 2016 · Current Heart Failure Reports
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    ABSTRACT: Chronic obstructive pulmonary disease (COPD) and heart failure with reduced ejection fraction (HFrEF) commonly coexist in clinical practice. The prevalence of COPD among HFrEF patients ranges from 20 to 32 %. On the other hand; HFrEF is prevalent in more than 20 % of COPD patients. With an aging population, the number of patients with coexisting COPD and HFrEF is on rise. Coexisting COPD and HFrEF presents a unique diagnostic and therapeutic clinical conundrum. Common symptoms shared by both conditions mask the early referral and detection of the other. Beta blockers (BB), angiotensin-converting enzyme inhibitors, and aldosterone antagonists have been shown to reduce hospitalizations, morbidity, and mortality in HFrEF while long-acting inhaled bronchodilators (beta-2-agonists and anticholinergics) and corticosteroids have been endorsed for COPD treatment. The opposing pharmacotherapy of BBs and beta-2-agonists highlight the conflict in prescribing BBs in COPD and beta-2-agonists in HFrEF. This has resulted in underutilization of evidence-based therapy for HFrEF in COPD patients owing to fear of adverse effects. This review aims to provide an update and current perspective on diagnostic and therapeutic management of patients with coexisting COPD and HFrEF.
    No preview · Article · Jan 2016 · Current Heart Failure Reports
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    ABSTRACT: Recent efforts have reduced the mortality from coronary artery disease (CAD), with the consequent increase in heart failure with reduced left ventricular function, referred to as ischaemic cardiomyopathy (ICM). As ischemic left ventricular (LV) dysfunction may be partially or completely reversible by revascularization in the presence of viable myocardium, the assessment of myocardial viability is central to the management of ICM. Decades of observational analyses have provided positive evidence for the role of revascularization in hibernating myocardium in improving survival. However, recently the Surgical Treatment for Ischaemic Heart Failure (STICH) trial has challenged this notion, highlighting the noninferiority of optimal medical therapy (OMT) over revascularization and OMT. In this review, we discuss noninvasive imaging modalities to assess myocardial viability and the impact of myocardial viability on revascularization. We critically appraise the STICH trial and suggest an algorithm for viability testing before revascularization in patients with ICM and significant LV dysfunction.
    No preview · Article · Dec 2014 · Current Heart Failure Reports
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    ABSTRACT: Most cardiovascular implantable electronic devices (CIEDs) require a ventricular lead to be placed across the tricuspid valve. Tricuspid regurgitation (TR) is an understudied clinical complication of right ventricular lead implantation and its clinical significance is unknown. We review the incidence, predictors, and current management of TR as a complication of ventricular lead implantation. Emerging technologies, including leadless pacing devices and subcutaneous systems, offer the benefit of little or none tricuspid valve disruption.
    No preview · Article · Dec 2014 · Current Heart Failure Reports
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    ABSTRACT: Heart failure (HF) is a major healthcare concern. Acute HF carries a high mortality and a high rehospitalisation rate. HF has a variety of detrimental effects on other organs. In recent years, the interactions between heart failure and the kidney have been the subject of significant investigations; this interaction, defined as “cardiorenal syndrome”, is relatively well characterized. We describe here another interaction between the heart and the liver, the “cardiohepatic syndrome”, in acute HF patients. Recent publications have shown that liver function test (LFT) abnormalities were associated with AHF severity. Clinical signs of systemic congestion were found to be associated with cholestasis, when signs of hypoperfusion were associated with liver cytolysis. Defining the LFT profile in AHF may play an important role in the future management of AHF patients.
    No preview · Article · Jun 2014 · Current Heart Failure Reports
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    ABSTRACT: Growth differentiation factor 15 (GDF-15) is a stress-responsive cytokine expressed in the cardiovascular system. GDF-15 is emerging as a biomarker of cardiometabolic risk and disease burden. GDF-15 integrates information from cardiac and extracardiac disease pathways that are linked to the incidence, progression, and prognosis of heart failure (HF). Increased circulating levels of GDF-15 are associated with an increased risk of developing HF in apparently healthy individuals from the community. After an acute coronary syndrome, elevated levels of GDF-15 are indicative of an increased risk of developing adverse left ventricular remodeling and HF. In patients with established HF, the levels of GDF-15 and increases in GDF-15 over time are associated with adverse outcomes. The information provided by GDF-15 is independent of established risk factors and cardiac biomarkers, including BNP. More studies are needed to elucidate how the information provided by GDF-15 can be used for patient monitoring and formulating treatment decisions. Further understanding of the pathobiology of GDF-15 may lead to the discovery of new treatment targets in HF.
    No preview · Article · Sep 2012 · Current Heart Failure Reports
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    ABSTRACT: Anemia is a common comorbidity in heart failure (HF), and is associated with increased morbidity and mortality. However, it remains unclear whether anemia is merely a marker of poor prognosis or whether anemia itself confers risk. The pathogenesis of anemia in HF is multifactorial. Iron deficiency also confers risk in HF, either with or without associated anemia, and treatment of iron deficiency improves the functional status of patients with HF. An ongoing large clinical trial studying the use of darbepoetin–alfa in patients with anemia and systolic HF is expected to provide information that should improve our understanding of anemia in HF.
    No preview · Article · Sep 2012 · Current Heart Failure Reports
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    ABSTRACT: Limited donor availability for orthotopic cardiac transplantation has led surgeons to develop surgical alternatives to treat congestive heart failure as a result of ischemic cardiomyopathy. Coronary revascularization plays a clear role in patients with ischemic cardiomyopathy, substantial viable myocardium subtended by coronary stenoses, and presence of anginal symptoms. It is unclear whether patients with heart failure symptoms but no angina benefit from bypass surgery. Some of these patients present with left ventricular dilatation and akinetic/dyskinetic scars, and are therefore candidates for surgical ventricular restoration. Current evidence is lacking as to whether ventricular reconstruction should be performed along with coronary revascularization. Functional mitral regurgitation is often seen in patients with end-stage cardiomyopathy, and its presence portends decreased survival. Mitral valve repair has been shown to improve quality of life, functional class, and to contribute to left ventricle reverse remodeling; however, it has been insufficient in improving survival.
    No preview · Article · Dec 2009 · Current Heart Failure Reports
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    ABSTRACT: Echocardiography is the most important imaging tool for managing heart failure patients. With the advent of cardiac resynchronization therapy (CRT), its role has been broadened by data pertaining to patient selection, optimization of device settings, and outcome assessment. Beyond ejection fraction determination, echocardiographic methods that measure tissue velocity and strain may have the capability to determine degree of mechanical dyssynchrony and possibly predict likelihood of benefit with CRT. After implantation (as the ventricles are fully paced, adjusting the atrioventricular delay [atrioventricular optimization]), the timing of the right ventricular and left ventricular lead stimulation (ventricular-ventricular optimization) to achieve maximal cardiac filling or ejection may be clinically important. Atrioventricular and ventricular-ventricular optimization rely on echocardiography to determine optimal values. In long-term follow-up, serial measurement of left ventricular volume has significant correlation with mortality and is a reasonable measure of successful CRT; echocardiography is uniquely suited for this purpose.
    No preview · Article · Mar 2009 · Current Heart Failure Reports
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    ABSTRACT: More than half of patients with heart failure (HF) have a normal ejection fraction (EF). These patients are typically elderly, are predominantly female, and have a high incidence of multiple comorbid conditions associated with development of ventricular hypertrophy and/or interstitial fibrosis. Thus, the cause of HF has been attributed to diastolic dysfunction. However, the same comorbidities may also impact myocardial systolic, ventricular, vascular, renal, and extracardiovascular properties in ways that can also contribute to symptoms of HF by way of mechanisms not related to diastolic dysfunction. Accordingly, the descriptive term HF with normal EF has been suggested as an alternative to the mechanistic term diastolic HF. In this article, we review the current understanding of nondiastolic mechanisms that may contribute to the HF with normal EF syndrome to highlight potential pathways for research that may lead to new targets for therapy.
    Preview · Article · Feb 2009 · Current Heart Failure Reports
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    ABSTRACT: Cardiogenic shock complicates up to 7% of ST-segment elevation myocardial infarctions and 2.5% of non-ST-segment elevation myocardial infarctions, with an associated mortality of 50% to 70%. Primary cardiac pump failure is followed by secondary vital organ hypoperfusion and subsequent activation of various cascade pathways, resulting in a downward spiral leading to multiple organ failure and, ultimately, death. Immediate restoration of cardiac output by means of percutaneous ventricular assist devices restores hemodynamic stability and is an important advance in the management of patients with severe left ventricular dysfunction and cardiogenic shock. This article reviews available evidence supporting the use of percutaneous ventricular assist devices in patients suffering from cardiogenic shock.
    No preview · Article · Sep 2008 · Current Heart Failure Reports
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    ABSTRACT: Atrial fibrillation (AF) and congestive heart failure (CHF) are common cardiac conditions that frequently coexist. There is a complex interplay between the two conditions, with each increasing the morbidity and mortality associated with the other. The management of AF in patients with CHF requires special care because of the increased risk of antiarrhythmic drug therapy in the group. This report reviews current treatment options and assesses the role of the newer therapies of biventricular pacing for CHF and radiofrequency ablation for AF. It also discusses results of the AF-CHF study, which were reported in November 2007.
    No preview · Article · Feb 2008 · Current Heart Failure Reports