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Anemia and heart failure: a cause of progression or only a consequence?

Authors
Journal
Heart International
1826-1868
Publisher
"Wichtig Publishing, SRL"
Publication Date
Volume
3
Issue
1
Identifiers
DOI: 10.4081/hi.2007.1
Keywords
  • Review

Abstract

Anemia is one of the most frequent co-morbidities in the patients with heart failure. Its prevalence increases from 4–7% in the subjects with asymptomatic left ventricular dysfunction to >30% in the patients with severe heart failure. Renal insufficiency, activation of inflammatory mediators, and treatment with renin-angiotensin antagonists seem to be its main determinants. The results of many studies agree in showing that anemia is a powerful independent determinant of survival in patients with heart failure. However, the mechanisms of this relation are still incompletely understood. Moreover a favourable effect on prognosis of the correction of anemia has not been shown, yet, and also controlled studies assessing its effects on exercise tolerance have yielded controversial results.

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