Chapter 33

Treatment of Anemia in Chronic Kidney Disease

Patrick S. Parfrey

Patrick S. Parfrey

Faculty of Medicine, Memorial University, St. John's, NL, Canada

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First published: 18 November 2022

Summary

The prevalence of anemia increases as chronic kidney disease (CKD) progresses by stage. Anemia is caused by erythyropoietin deficiency, disordered iron metabolism, blood loss, infection, inflammation, and other less frequentcauses. The choice of interventions to treat or prevent anemia in CKD should be influenced by the results of randomized controlled trials. Recombinant human erythropoietins have been used to treat anemia for up to three decades. Hypoxia inducible factor is the major transcription factor for the erythropoietin gene. Liver production can respond to prolyl hydroxylase inhibition by producing more endogenous erythropoietin. Current management of anemia in CKD usually combines use of erythropoiesis-stimulating agents (ESAs) and iron repletion, and is driven by the need to avoid both severe anemia and the risk of blood transfusions, and normal hemoglobin levels, which were associated with increased cardiovascular risk in ESA trials.

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