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Chapter 14 - Assessment of Intraoperative Blood Loss
- By Kyle James Riley, Daniel Katz
Edited by Andrew B. Leibowitz, Suzan Uysal
Book:

Modern Monitoring in Anesthesiology and Perioperative Care

Published online:

28 April 2020

Print publication:

07 May 2020, pp 139-147
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Summary

To reduce unneeded red blood cell transfusions and to avoid surgery-induced anemia, it is important to have accurate and timely assessment of intraoperative blood loss. This chapter briefly outlines the American Society of Anesthesiologists and the AABB guidelines regarding assessment and management of blood loss. It describes the primary methods for determining blood loss, including visual assessment, photometric analysis, gravimetric blood loss determination, blood loss formulas using hemoglobin and hematocrit monitoring, and imaging analysis. The chapter concludes with a summary comparing the major advantages and disadvantages of each blood loss monitoring methodology.