Vox sanguinis
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High cell counts in granulocyte colony-stimulating factor (G-CSF)-mobilized granulocytes are detrimental to concentrate storage. An eightfold dilution with autologous plasma improves storage, but this method is impractical. The purpose of this study was to identify an infusible solution that could be used in place of autologous plasma to dilute and store granulocytes. ⋯ Culture media were best for granulocyte storage, but they are not approved for in vivo use. Infusible solutions are not buffered adequately and lack sufficient protein, but infusible solutions, such as lactated Ringer's solution or Plasma-Lyte A supplemented with buffers and albumin, hold promise as effective and licensable solutions for granulocyte storage.