Autologous blood transfusion is the collection and re-infusion of the patient’s own blood or blood components. Homologous, or more correctly allogenic, blood transfusions involves someone collecting and infusing the blood of a compatible donor into him/herself. Heterologous blood transfusions are those that involve someone infusing blood and its components from a different species. Withdrawal, storage and preservation, and re-infusion of blood products are carefully regulated in the health industry because infusion of infectious, old, or incorrectly matched blood could result in hospitalization and possibly death.
What’s the difference between autologous, homologous (allogenic), and heterologous blood transfusions?
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