White blood cells can be removed by a variety of methods, of which filtration is most desirable. Leukodepletion Blood Filters are long used equipment. The filtration method refers to the removal of white blood cells in a blood preparation by a method using a special filter for white blood cells. The leukocyte depletion effect is related to the type of the device used, the preparation method and type of the blood preparation, and the timing of leukocyte removal.
Leukocytosis can reduce the incidence of non-hemolytic transfusion and fever, reduce the incidence of graft-versus-host disease (GVHD) after transfusion, prevent the infection of some transfusion-associated viruses, and prevent platelet transfusion caused by HA allogeneic immune response. , reducing the risk of blood transfusion, so 100% of the implementation of leukocyte filtration removal is becoming a new international blood transfusion standard.
The risk of white blood cell transmission of the virus is greatest. As an important component in blood cells, white blood cells play an important role in the immune function of the body against foreign pathogens and antigen invasion. In some special cases, the application of leukocyte preparations in clinical practice has certain significance.
When severely infected white blood cells are ineffective, antibiotic treatment is ineffective, but modern medical research has shown that non-therapeutic components such as white blood cells in the blood are "contaminants", and allogeneic infusions produce leukocyte antibodies, causing a series of side effects.
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