<unk>  are red<unk><unk>  which have had most of the plasma, platelets and white<unk><unk>  removed and replaced with saline or another type of preservation solution. The most common reason for using<unk>  in transfusion medicine is to prevent the recurrence of severe allergic transfusion reactions that do not respond to medical treatment. The usual cause of these allergic reactions is proteins in the donor plasma. These proteins are removed by the process of washing the red<unk><unk> .
Washed red blood cells
Whole blood
Neohemocyte
Autologous conditioned serum
Packed red blood cells
Hypoxia preconditioned plasma
Blood plasma
Cryoprecipitate