The "grey area" of the transfusion practice in the intensive care unit
نویسندگان
چکیده
Introduction Present-day transfusion protocols typically specify haemoglobin (Hb) levels as transfusion triggers (i.e. patients below a specified Hb level are almost universally transfused with red blood cells (RBCs), patients above a second threshold are rarely transfused). Between these two Hb levels lies a range (the so called ‘grey area’) in which RBC transfusion practices differ based on estimated susceptibility of patients to hypoxic complications.
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