Effect of ulinastatin on post-operative blood loss and allogeneic transfusion in patients receiving cardiac surgery with cardiopulmonary bypass: a prospective randomized controlled study with 10-year follow-up

Department of Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 Beilishi Rd., Xicheng District, Beijing, 100037, China. Department of Anaesthesiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 Beilishi Rd., Xicheng District, Beijing, 100037, China. Department of Anaesthesiology, People's Hospital of Ningxia Hui Autonomous Region, 148 Huaiyuanxi Rd. Xixia District, Ningxia Hui Autonomous Region, Yinchuan, 750021, China. Department of Anaesthesiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 Beilishi Rd., Xicheng District, Beijing, 100037, China. shijia@fuwai.com.

J Cardiothorac Surg. 2020;15(1):98
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Abstract
BACKGROUND Major bleeding and allogeneic transfusion leads to negative outcomes in patients receiving cardiac surgery with cardiopulmonary bypass (CPB). Ulinastatin, a urine trypsin inhibitor, relieves systemic inflammation and improves coagulation profiles with however sparse evidence of its effects on blood loss and allogeneic transfusion in this specific population. METHODS In this prospective randomized controlled trial, 426 consecutive patients receiving open heart surgery with CPB were randomly assigned into three groups to receive ulinastatin (group U, n = 142), tranexamic acid (group T, n = 143) or normal saline (group C, n = 141). The primary outcome was the total volume of post-operative bleeding and the secondary outcome included the volume and exposure of allogeneic transfusion, the incidence of stroke, post-operative myocardial infarction, renal failure, respiratory failure and all-cause mortality. A ten-year follow-up was carried on to evaluate long-term safety. RESULTS Compared with placebo, ulinastatin significantly reduced the volume of post-operative blood loss within 24 h (688.39 +/- 393.55 ml vs 854.33 +/- 434.03 ml MD - 165.95 ml, 95%CI - 262.88 ml to - 69.01 ml, p < 0.001) and the volume of allogeneic erythrocyte transfusion (2.57 +/- 3.15 unit vs 3.73 +/- 4.21 unit, MD-1.16 unit, 95%CI - 2.06 units to - 0.26 units, p = 0.002). The bleeding and transfusion outcomes were comparable between the ulinastatin group and the tranexamic acid group. In-hospital outcomes and 10-year follow-up showed no statistical difference in mortality and major morbidity among groups. CONCLUSIONS Ulinastatin reduced post-operative blood loss and allogeneic erythrocyte transfusion in heart surgery with CPB. The mortality and major morbidity was comparable among the groups shown by the 10-year follow-up. TRIAL REGISTRATION The trial was retrospectively registered on February 2, 2010. TRIAL REGISTRATION NUMBER https://www.clinicaltrials.gov Identifier: NCT01060189.
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Language : eng
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