plasmapheresis造句怎么写

During plasmapheresis, blood is initially taken out of the body through a needle or previously implanted catheter.

Depending on the severity of your anemia, a blood transfusion or plasmapheresis may be necessary. Plasmapheresis is a type of blood-filtering procedure.

Most plasmapheresis is for fractionation into other products, other blood donations are transfused with relatively minor modifications.