• A R Nissenson and J Strobos.
• Department of Medicine, UCLA School of Medicine, Los Angeles, California, USA. anissens@medicine.medsch.ucla.edu
• Kidney Int. Suppl. 1999 Mar 1;69:S18-21.

AbstractThe anemia of renal failure is caused by the lack of sufficient quantities of endogenous erythropoietin. With the availability of recombinant human erythropoietin (rHuEPO), however, it has become apparent that to achieve a given target, hematocrit requires proper management of iron replacement, as well as the administration of rHuEPO. Iron deficiency, either absolute or functional, will occur in most, if not all, patients on hemodialysis receiving rHuEPO because of the increased demand for iron driven by the accelerated erythropoiesis that occurs with exogenous rHuEPO administration, coupled with ongoing blood losses from dialyzer and tubing, blood sampling, gastrointestinal blood loss, and blood losses at the time of dialysis needle placement and removal. Blood loss is less of a problem in patients on peritoneal dialysis, but poor iron intake and increased demand for iron are also seen, the latter in patients receiving rHuEPO. It is essential, therefore, for renal health professionals to understand iron metabolism in dialysis patients in order to properly balance the therapy of renal anemia with rHuEPO and supplemental iron.

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