Perioperative Blood Management

Publication Date: February 1, 2015
Last Updated: March 14, 2022

Summary of Recommendations

Patient Evaluation

  • Review previous medical records and interview the patient or family to identify:

    • Previous blood transfusion.

    • History of drug-induced coagulopathy (e.g., warfarin, clopidogrel, aspirin and other anticoagulants, as well as vitamins or herbal supplements that may affect coagulation)

    • The presence of congenital coagulopathy.

    • History of thrombotic events (e.g., deep vein thrombosis, pulmonary embolism).

    • Risk factors for organ ischemia (e.g., cardiorespiratory disease) which may influence the ultimate transfusion trigger for red blood cells (e.g., hemoglobin level).

  • Inform patients of the potential risks versus benefits of blood transfusion and elicit their preferences.

  • Review available laboratory test results including hemoglobin, hematocrit, and coagulation profiles.

  • Order additional laboratory tests depending on a patient’s medical condition (e.g., coagulopathy, anemia).

  • Conduct a physical examination of the patient (e.g., ecchymosis, petechiae, pallor).

  • If possible, perform the preoperative evaluation well enough in advance (e.g., several days to weeks) to allow for proper patient preparation.



Perioperative Blood Management

Authoring Organization