What is the role of blood transfusion in major surgeries?

Blood transfusion plays a crucial role in major surgeries where patients may lose significant amounts of blood. A blood transfusion is a medical procedure in which blood or blood products from a donor are given to a patient to replace blood that has been lost during surgery. It can help prevent the development of complications and can potentially save the life of a patient. Blood transfusions may be necessary when the patient's blood volume drops to dangerously low levels or when the patient loses significant amounts of oxygen-carrying cells called red blood cells. In major surgeries, blood transfusions are often performed only when necessary and under strict medical supervision to prevent any adverse reactions or infections.

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