Accurate Assessment of Blood Loss during Cesarean Delivery Improves Estimation of Postoperative Hemoglobin

American Journal of Perinatology
Andrew F RubensteinRobert L Thurer

Abstract

To determine if accurate blood loss determination during cesarean delivery can improve the prediction of postoperative hemoglobin levels. This is a retrospective cohort study using visually estimated blood loss (traditional, n = 2,025) versus estimates using a mobile application that photographs sponges and canisters and calculates their hemoglobin content (device, n = 756). The correlation between the actual and predicted postoperative day 1 hemoglobin value (PPO1 Hgb) was better in the device group (R2 = 0.519, correlation = 0.720) than in the traditional group (R2 = 0.429, correlation = 0.655) (p = 0.005). For patients in the device group where the estimated blood loss was >1,000 mL (n = 53), the PPO1 Hgb was also better correlated with the actual value (R2 = 0.319, correlation = 0.565) than the predictions using visually estimated blood loss for those patients in the device group whose visual estimation was >1,000 mL (n = 32) (R2 = 0.035, correlation = 0.187) (p = 0.027). Implementation of a device that accurately measures blood loss allows for a better prediction of postoperative day 1 hemoglobin concentration than is possible using visual blood loss estimation. This improvement was seen in the entire patient group and was...Continue Reading

Citations

Jan 17, 2020·Journal of Midwifery & Women's Health·Stephanie WelshRobert K Gildersleeve
Feb 12, 2020·Journal of Obstetric, Gynecologic, and Neonatal Nursing : JOGNN·Matthew G HirePaloma Toledo
Nov 19, 2020·Canadian Journal of Anaesthesia = Journal Canadien D'anesthésie·Ahmad Alli, Gregory M T Hare
Mar 29, 2021·International Journal of Obstetric Anesthesia·D Katz, M K Farber

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