Effect of Intravenous Iron Sucrose on Exercise Tolerance in Anemic and Nonanemic Patients With Symptomatic Chronic Heart Failure and Iron Deficiency–FERRIC‐HF: A Randomized, Controlled, Observer‐Blinded Trial

Abstract. Objective. The authors tested the hypothesis that intravenous iron improves exercise tolerance in anemic and nonanemic patients with symptomatic chronic heart failure (CHF) and iron deficiency. Background.  Anemia is common in heart failure. Iron metabolism is disturbed, and administration of iron might improve both symptoms and exercise tolerance. Methods.  The authors randomized 35 patients with CHF (age 64±13 years, peak …