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What is intraoperative autologous donation (IAD)?

Intraoperative autologous donation (IAD) involves a person’s blood being removed at the beginning of surgery and then stored as “whole blood” during the operation. Other than an anticoagulant added to prevent clotting, the blood is physically unmodified. At the end of the surgery, the blood is returned to the person, with the cells behaving as if they had never been outside of the body. Risks associated with IAD include reduction in circulating red blood cells (causing reduced oxygen carrying capacity) and contamination of blood during storage (bacterial or viral).

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