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Abstract
Previous studies have suggested that erythropoietin (Epo) levels may be inappropriately low in patients with sickle cell disease compared to the extent of the related anemia they demonstrate. Here, we evaluate Epo level vs. renal function, oxygenation, and markers of inflammation for patients treated for sickle cell disease at our institution. Blood was drawn from 54 patients with sickle cell disease during routine visits to the outpatient hematology office and analyzed for hemoglobin (Hb) level, Epo, markers of inflammation, oxygenation, and renal function. Erythropoietin levels were lower than expected for patients with sickle cell disease, compared to the degree of anemia demonstrated in these patients. In addition, a correlation between Hb level and Epo was not consistently observed. Higher Epo levels were seen in patients receiving hydroxyurea (HU), but no correlation with oxygenation, hemolysis, renal function, or inflammation was observed.