期刊
EUROPEAN HEART JOURNAL
卷 26, 期 21, 页码 2232-2237出版社
OXFORD UNIV PRESS
DOI: 10.1093/eurheartj/ehi388
关键词
chronic heart failure; anaemia; cytokines
Aims Anaemia is often observed in patients with chronic heart failure (CHF), and it may be associated with a worse prognosis. Aim of this study was to identify the individual mechanisms of anaemia in CHF patients. Methods and results One hundred and forty-eight consecutive patients with haemoglobin concentration < 13 g/dL (if males) or < 12 g/dL (if females) were enrolled. Factors responsible for anaemia were investigated by evaluating endogenous erythropoietin (Epo) production, serum cytokines levels, body iron status, and iron supply for erythropoiesis. Most patients (57%) presented anaemia of chronic disease and among them, 92% showed evidence of a defective endogenous Epo production. This was indicated by an observed/predicted log(serum Epo) ratio less than 0.8 and/or a defective iron supply for erythropoiesis diagnosed by low transferrin saturation and/or increased value of soluble transferrin receptor. According to regression analysis sex, renal failure, and serum Epo were correlated with anaemia. Conclusion According to our study, about half of anaemic CHF patients showed anaemia of chronic disease with blunted endogenous Epo production and/or a defective iron supply for erythropoiesis. Determination of the individual mechanisms of anaemia in CHF could justify a rational therapeutic approach to anaemia.
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