Efficacy of erythropoietin on dialysis in patients with beta thalassemia minor

Blood Purification
Biagio Di IorioGiuseppe Conte

Abstract

It is unknown whether chronic erythropoietin (EPO) treatment is able to normalize hemoglobin (Hb) levels and ameliorate cardiac remodeling avoiding blood transfusions in uremic blood transfusion-dependent patients with beta-thalassemia minor (beta-thal). In 12 hemodialysis (HD) patients with beta-thal, requiring blood transfusions despite EPO therapy, we planned to increase Hb levels up to the target levels (11-12 g/dl) within a one-year period by administering progressively higher doses of EPO (correction phase). We also planned to maintain the Hb target for an additional year (maintenance phase). In the year before the study, patients required 3.3 +/- 0.9 units of packed red blood cells. At baseline, the Hb level obtained with an EPO dose of 212 +/- 73 U/kg/week i.v. was 8.2 +/- 0.8 g/dl. The EPO dose was gradually increased within the first year up to 458 +/- 78 U/kg/week at month 12 (correction phase) and then significantly tapered down during the maintenance phase (390 +/- 54 U/kg/week at month 24). During the correction phase, the Hb levels markedly increased (11.1 +/- 0.3 g/dl at month 12) and did not change in the maintenance phase. No blood transfusion was required throughout the 2 years of follow-up. Left ventricular ...Continue Reading

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