Intravenous iron therapy and the cardiovascular system: risks and benefits
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2021Author
Del Vecchio, Lucia
Ekart, Robert
Charles J. Ferro
Malyszko, Jolanta
Mark, Patrick B.
Ortiz, Alberto
Sarafidis, Pantelis
Mallamaci, Francesca
Suggested citation
Del Vecchio, Lucia;
Ekart, Robert;
Charles J. Ferro;
Malyszko, Jolanta;
Mark, Patrick B.;
Ortiz, Alberto;
...
Mallamaci, Francesca.
(2021)
.
Intravenous iron therapy and the cardiovascular system: risks and benefits.
Clinical Kidney Journal, 2021, vol. 14, núm. 4, p. 1067–1076.
https://doi.org/10.1093/ckj/sfaa212 .
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Anaemia is a common complication of chronic kidney disease (CKD). In this setting, iron deficiency is frequent because of the combination of increased iron needs to sustain erythropoiesis with increased iron losses. Over the years, evidence has accumulated on the involvement of iron in influencing pulmonary vascular resistance, endothelial function, atherosclerosis progression and infection risk. For decades, iron therapy has been the mainstay of therapy for renal anaemia together with erythropoiesis-stimulating agents (ESAs). Despite its long-standing use, grey areas still surround the use of iron therapy in CKD. In particular, the right balance between either iron repletion with adequate therapy and the avoidance of iron overload and its possible negative effects is still a matter of debate. This is particularly true in patients having functional iron deficiency. The recent Proactive IV Iron Therapy in Haemodialysis Patients trial supports the use of intravenous (IV) iron therapy until a ferritin upper limit of 700 ng/mL is reached in haemodialysis patients on ESA therapy, with short dialysis vintage and minimal signs of inflammation. IV iron therapy has also been proven to be effective in the setting of heart failure (HF), where it improves exercise capacity and quality of life and possibly reduces the risk of HF hospitalizations and cardiovascular deaths. In this review we discuss the risks of functional iron deficiency and the possible benefits and risks of iron therapy for the cardiovascular system in the light of old and new evidence.
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Clinical Kidney Journal, 2021, vol. 14, núm. 4, p. 1067–1076European research projects
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