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Erythropoiesis-stimulating agents for anaemia in chronic heart failure patients (Intervention Review)


Ngo, K and Kotecha, D and Walters, JAE and Manzano, L and Palazzuoli, A and van Veldhuisen, DJ and Flather, M, Erythropoiesis-stimulating agents for anaemia in chronic heart failure patients (Intervention Review), Cochrane Database of Systematic Reviews, 2010, (2) Article CD007613. ISSN 1469-493X (2010) [Refereed Article]

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DOI: doi:10.1002/14651858.CD007613.pub2


Background: Chronic heart failure (CHF) is a leading cause of morbidity and mortality worldwide. Anaemia is a common (12-55%) co-morbid condition and is associated with worsening symptoms and increased mortality. Anaemia is treatable and can be targeted in the treatment of patients with CHF. Erythropoiesis-stimulating agents (ESA), supplemented by iron therapy, are used to treat anaemia in chronic kidney disease and cancer, however safety concerns have been raised in these patients. The clinical benefit and safety of these agents in CHF remains unclear. Objectives: To assess the benefits and risks of ESA for CHF patients with anaemia. Search strategy We searched the Cochrane Central Register of Controlled Trials (The Cochrane Library 2008, Issue 3), MEDLINE (1950 to October 2008), EMBASE (1980 to October 2008) and reference lists of articles. No language restrictions were applied. Selection criteria: Randomised controlled trials of any ESA, with or without iron therapy, in CHF patients were eligible for inclusion. Data collection and analysis: Three reviewers independently assessed study quality and extracted data. Original authors were contacted for additional information. The outcomes of interest were: exercise tolerance, haemoglobin level, New York Heart Association (NYHA) functional class, quality of life, left-ventricular ejection fraction, B-type natriuretic peptide, CHF-related hospitalisations, all-cause mortality and adverse effects. Risk ratios (RR) were calculated for dichotomous data and weighted mean difference (WMD) for continuous data. Main results: Eleven studies (794 participants) were included. Overall quality of studies was moderate with nine studies being placebo-controlled but only five double-blinded. Compared to control, ESA treatment significantly improved exercise duration by 96.8 seconds (95% CI 5.2 to 188.4, p=0.04) and 6-minute walk distance by 69.3 metres (95% CI 17.0 to 121.7, p=0.009). Benefit was also noted in terms of peak VO2 (+2.29 mL/kg/min, p=0.007), NYHA class (-0.73, p<0.001), ejection fraction (+5.8%, p<0.001), B-type natriuretic peptide (-226.99 pg/mL, p<0.001) and quality-of-life indicators, with a mean increase in haemoglobin of 1.98 g/dL (p<0.0001). There was also a significantly lower rate of heart failure related hospitalisations (RR 0.62, 95% CI 0.44 to 0.87) and lower all-cause mortality (RR 0.61, 95% CI 0.37 to 0.99). No increase in adverse events with ESA therapy was observed, however studies were of small sample sizes and limited duration.

Item Details

Item Type:Refereed Article
Research Division:Biomedical and Clinical Sciences
Research Group:Cardiovascular medicine and haematology
Research Field:Cardiology (incl. cardiovascular diseases)
Objective Division:Health
Objective Group:Clinical health
Objective Field:Clinical health not elsewhere classified
UTAS Author:Ngo, K (Ms Katherine Ngo)
UTAS Author:Walters, JAE (Dr Julia Walters)
ID Code:65887
Year Published:2010
Web of Science® Times Cited:32
Deposited By:Menzies Institute for Medical Research
Deposited On:2010-12-08
Last Modified:2014-11-07

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