How is an erythrocytapheresis performed in the treatment of sickle cell disease (SCD)?

Updated: May 12, 2021
  • Author: Joseph E Maakaron, MD; Chief Editor: Emmanuel C Besa, MD  more...
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The procedure is performed on a blood cell processor (pheresis machine) with a continuous-flow system that maintains an isovolemic condition. RBCs are removed and simultaneously replaced, with normal saline followed by transfused packed RBCs along with the patient's plasma. The net RBC mass/kg is calculated for each procedure based on the measured hematocrit of the transfused and removed blood and the total RBC volume transfused.

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