• Senned Karrar, Ted Reniers, Anika Filius, BungeJeroen J HJJHDepartment of Cardiology and department of Intensive Care, Erasmus University Medical Center, Rotterdam, the Netherlands., Jos A Bekkers, Sanne E Hoeks, and HorstMaarten TerMTDepartment of Anesthesiology, Erasmus University Medical Center, Rotterdam, the Netherlands. Electronic address: m.terhorst@erasmusmc.nl..
• Department of Anesthesiology, Erasmus University Medical Center, Rotterdam, the Netherlands.
• J. Cardiothorac. Vasc. Anesth. 2022 Apr 1; 36 (4): 1029-1039.

ObjectivesTo determine the impact of a rotational thromboelastometry (ROTEM)-guided transfusion protocol on the use of blood products, patient outcomes, coagulation factor concentrates, and costs.DesignA single-center retrospective cohort study.SettingA tertiary university hospital.PatientsAdults undergoing proximal aortic surgery with deep hypothermic circulatory arrest.InterventionROTEM-guided transfusion protocol compared with clinically-guided transfusion.Measurements And Main ResultsTwo hundred seventeen patients were included; seventy-one elective and 24 emergency patients in the clinically-guided group, and 59 elective and 63 emergency patients in the ROTEM-guided transfusion protocol group. In the ROTEM-guided transfusion protocol group, a significant reduction in transfusion of red blood cells (5 [3-8] v 2 [0-4], p < 0.001), platelet concentrate (2 [2-3] v 1 [1-2], p < 0.001), and plasma (1,980 mL [1,320-3,300] v 800 mL [0-1,000], p < 0.001) was seen in elective surgery. Emergency patients received fewer red blood cells (7 [5-10] v 5 [2-10], p = 0.040), platelet concentrate (3 [2-4] v 2 [2-3], p = 0.023), and plasma (3,140 mL [1,980-3,960] v 1,000 mL [0-1,400], p < 0.001). Prothrombin complex concentrate and fibrinogen concentrate were increased significantly in elective and emergency patients. The surgical reexploration for bleeding rate was decreased in elective patients 33.8% v 5.1%.ConclusionThe implementation of a ROTEM-guided transfusion protocol might have the potential to decrease blood product transfusion and may improve patient outcomes.Copyright © 2021 The Author(s). Published by Elsevier Inc. All rights reserved.

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