European Heart Journal Advance Access published online on August 17, 2007
European Heart Journal, doi:10.1093/eurheartj/ehm331
© The European Society of Cardiology 2007. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org
Treatment of anaemia in chronic heart failure—optimal approach still unclear
Heart Failure Unit, Department of Cardiology, St Vincent's University Hospital, and University College Dublin, Dublin 4, Ireland
* Corresponding author. Tel: + 353 1 2845735; fax: + 353 1 2304639. E-mail address: kenneth.mcdonald@ucd.ie
This editorial refers to Randomized, double-blind, placebo-controlled study to evaluate the effect of two dosing regimens of darbepoetin alfa in patients with heart failure and anaemia by D. J. van Veldhuisen et al., doi:10.1093/eurheartj/ehm328
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Anaemia, most commonly defined using the WHO definition as a haemoglobin <13 g/dL in men and <12.0 g/dL in women, has variable prevalence in heart failure. Rates vary between 4 and 55% dependent on the population studied and the definition of anaemia used.1,2 Anaemia is more common in patients with NHYA functional class III or IV symptoms and in those with renal dysfunction.1 The increasing interest in this subject reflects the observations that have been made regarding the independent clinical impact of low haemoglobin in heart failure. The presence of anaemia is associated with worse symptoms, reduced exercise capacity, and an increased risk of hospital admission. In addition, anaemia also portends a worse prognosis, with a 2–3% increased risk of death per 1% reduction in haematocrit.3
A number of factors contribute to the pathogenesis of anaemia in heart failure. Expansion of blood volume can result
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- Randomized, double-blind, placebo-controlled study to evaluate the effect of two dosing regimens of darbepoetin alfa in patients with heart failure and anaemia
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