A transfusion is a medical procedure that
adds a blood component directly to the
bloodstream to correct a deficiency. Each
year, Puget Sound Blood Center provides
blood and laboratory services for more than
Transfusions may be needed by patients as part of treatment for:
- bleeding due to surgery or injury.
- inherited blood disorders.
- leukemia or other forms of cancer.
- organ or bone marrow transplantation.
- other conditions.
Blood is made up of several parts, or components:
- red blood cells carry oxygen to tissues or organs.
- platelets promote blood clotting.
- plasma (the fluid part of blood) carries blood cells throughout the body and contains proteins essential for blood clotting.
- white blood cells fight infection.
- cryoprecipitate (made from plasma) is a concentration of a clotting factor (fibrinogen) essential for blood clotting.
One or more of the above blood components may be required during treatment.
Transfusion: What You Should Know
If you have questions contact your physician, or call the Puget Sound Blood Center Transfusion Information Line, at 206-292-1840.