Conclusions: Intravenous iron loading improved exercise capacity and symptoms in patients with CHF and evidence of abnormal iron metabolism. Benefits were more evident in anemic patients.

• 结论：静脉应用铁剂改善症状性慢性心力衰竭合并铁代谢异常患者的运动能力和症状。贫血患者的获益证据更充分。