Method for Improved Intraoperative Blood Loss Estimates (EBL)
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Ages Eligible for Study:
18 Years to 100 Years (Adult, Senior)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Elective surgical patients
All elective surgical patients
Age < 18
Lack of informed consent
Attending Physician feels enrollment could interfere with optimal patient care
Patients who did not have a preoperative hemoglobin measured as part of their preoperative work-up
Patients whose preoperative hemoglobin fraction is abnormal.
Patients who will likely require an intraoperative blood transfusion.
Patients for whom the intraoperative use of the Cell Saver is anticipated.