The prevalence of anemia in chronic heart failure

Hildegard Tanner1, Giorgio Moschovitis, Gabriela M Kuster

  • 1Cardiology, Swiss Cardiovascular Center Bern, University Hospital, Bern, Switzerland.

Insights

Anemia is common in congestive heart failure patients, affecting 15% of those studied. Anemia prevalence increased with heart failure severity, correlating with NYHA functional class.

Area of Science:

  • Cardiology
  • Hematology
  • Internal Medicine

Background:

  • Anemia is frequently observed in patients with congestive heart failure (CHF).
  • Anemia in CHF correlates with disease severity and can be treated to improve cardiac function.

Purpose of the Study:

  • To determine the prevalence of anemia in patients with congestive heart failure.
  • To investigate the relationship between anemia and the New York Heart Association (NYHA) functional class in CHF patients.

Main Methods:

  • Retrospective analysis of 193 CHF outpatients (mean age 54).
  • Patients were classified by NYHA functional class (I-IV).
  • Exclusion criteria included secondary anemia or hemodialysis; etiology of heart failure was assessed.

Main Results:

  • Anemia (hemoglobin <120 g/l) was present in 15% of patients.
  • Anemia was significantly more prevalent in NYHA class III and IV (19%) compared to class I and II (8%).
  • Left ventricular ejection fraction decreased with increasing NYHA class.

Conclusions:

  • The prevalence of anemia in this CHF cohort was 15%.
  • Anemia in CHF patients is correlated with NYHA functional class, indicating a link to disease severity.
Abstract

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