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J. Thorac. Cardiovasc. Surg. · Nov 2022
Prepump autologous blood collection is associated with reduced intraoperative transfusions in aortic surgery with circulatory arrest: A propensity score-matched analysis.
- Mariya Geube, Shiva Sale, Suzanne Bakdash, Jeevanantham Rajeswaran, Eric Roselli, Eugene Blackstone, and Douglas Johnston.
- Department of Cardiothoracic Anesthesiology, Cleveland Clinic, Cleveland, Ohio. Electronic address: geubem@ccf.org.
- J. Thorac. Cardiovasc. Surg. 2022 Nov 1; 164 (5): 1572-1580.e5.
ObjectiveTo evaluate the effect of autologous whole blood (AWB) collection on intraoperative/postoperative allogeneic blood transfusion rate in complex aortic surgery with hypothermic circulatory arrest.MethodsThis retrospective study included adults who underwent aortic surgery with hypothermic circulatory arrest at a single institution between 2014 and 2019. Out of 509 cases (414 patients), 110 (22%) received the AWB protocol. We performed propensity-score matching, including 35 preoperative and procedural variables, which resulted in 95 well-matched pairs, to compare outcomes in patients who received AWB protocol versus those who did not. Study outcomes were percentage of patients who received transfusion of allogeneic blood products intraoperatively and postoperatively.ResultsMean volume of collected autologous blood was 826 ± 263 mL. Intraoperatively, fewer AWB patients received red blood cell concentrate (33% vs 49%; P = .02), plasma (35% vs 62%; P = .0002), platelets (61% vs 81%; P = .003), and cryoprecipitate (43% vs 56%; P = .08) compared with non-AWB patients. During the entire hospital stay, the differences in transfusion rate between the 2 groups were: red blood cells (58% vs 62%; P = .6), plasma (49% vs 66%; P = .01), platelets (72% vs 82%; P = .09), and cryoprecipitate (56% vs 63%; P = .3).ConclusionsPre-pump autologous blood collection may reduce the need for intraoperative transfusion of allogenic non-red-cell blood products in patients undergoing complex aortic surgery with hypothermic circulatory arrest. A larger study is needed to clarify the influence of this association on patient outcomes and resource utilization.Copyright © 2021 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.
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