Key result
Proposed objective formula estimates surgical blood loss using patient metrics, hemoglobin changes, and transfusion volumes.
Why the study?
Surgical blood loss estimation by anesthesia personnel can be subjective, variable between individuals, and affected by intraoperative transfer of care.
Does an objective formula provide a consistent method to estimate surgical blood loss compared to subjective estimation by anesthesia personnel in adults?
Population
Adults undergoing surgery
Authors
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Proposed objective blood loss estimation may reduce subjectivity; leaves open prospective validation before routine use.
Does an objective formula provide a consistent method to estimate surgical blood loss compared to subjective estimation by anesthesia personnel in adults?
The manuscript proposes a simple, objective formula to estimate surgical blood loss that relies on standard patient metrics and transfusion data rather than subjective assessment.
Jonathan Roth (2023) studied Surgical blood loss. Formula for estimating total surgical blood loss was evaluated. A proposed objective formula estimates total surgical blood loss using patient sex, height, weight, starting and ending hemoglobin, and volumes of transfused packed red blood cells and cell saver blood.
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