how long does a platelet last?
The reason is that this treatment is of limited benefit and See also: Why doesn't my mother's doctor want to perform a red blood cell transfusion, just because she's never had one before? See all 200 questions about Chemotherapy only lasts a very short time. The problem has to do with the life of the cells. Unlike red blood cells, which on average live about 120 days, platelets on average live only eight days.