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Goedhart ALM, Gerritse BM, Rettig TCD, van Geldorp MWA, Bramer S, van der Meer NJM, Boonman-de Winter LJ, Scohy TV. A 0.6-protamine/heparin ratio in cardiac surgery is associated with decreased transfusion of blood products. Interact Cardiovasc Thorac Surg 2020; 31:391-397. [PMID: 32620960 DOI: 10.1093/icvts/ivaa109] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 05/09/2020] [Accepted: 05/23/2020] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES In cardiac surgery, adequate heparinization is necessary to prevent thrombus formation in the cardiopulmonary bypass (CPB). To counteract the heparin effect after weaning from CPB, protamine is administered. The optimal protamine/heparin ratio is still unknown. METHODS In this before-after study, we evaluated the effect of a 0.6/1-protamine/heparin ratio implementation as of May 2017 versus a 0.8/1-protamine/heparin ratio on the 12-h postoperative blood loss and the amount of blood and blood component transfusions (fresh frozen plasma, packed red blood cells, fibrinogen concentrate, platelet concentrate and prothrombin complex concentrate) after cardiac surgery. A total of 2051 patients who underwent cardiac surgery requiring CPB between May 2016 and May 2018 were included. RESULTS In the 0.6/1-protamine/heparin ratio group, only 28.8% of the patients received blood component transfusion, compared to 37.9% of the patients in the 0.8/1-ratio group (P < 0.001). The median 12-h postoperative blood loss was 230 ml (interquartile range 140-320) in the 0.6/1-ratio group versus 260 ml (interquartile range 155-365) in the 0.8/1-ratio group (P < 0.001). CONCLUSIONS A 0.6/1-protamine/heparin ratio after weaning from CPB is associated with a significantly reduced 12-h postoperative blood loss and blood components transfusion.
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Affiliation(s)
- Anne L M Goedhart
- Department of Anaesthesiology and Intensive Care, Amphia Hospital, Breda, Netherlands
| | - Bastiaan M Gerritse
- Department of Anaesthesiology and Intensive Care, Amphia Hospital, Breda, Netherlands
| | - Thijs C D Rettig
- Department of Anaesthesiology and Intensive Care, Amphia Hospital, Breda, Netherlands
| | | | - Sander Bramer
- Department of Cardiothoracic Surgery, Amphia Hospital, Breda, Netherlands
| | | | | | - Thierry V Scohy
- Department of Anaesthesiology and Intensive Care, Amphia Hospital, Breda, Netherlands
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Guo J, Gao X, Ma Y, Lv H, Hu W, Zhang S, Ji H, Wang G, Shi J. Different dose regimes and administration methods of tranexamic acid in cardiac surgery: a meta-analysis of randomized trials. BMC Anesthesiol 2019; 19:129. [PMID: 31307381 PMCID: PMC6631782 DOI: 10.1186/s12871-019-0772-0] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Accepted: 05/28/2019] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND The efficacy of tranexamic acid (TXA) to reduce perioperative blood loss and allogeneic blood transfusion in cardiac surgeries has been proved in previous studies, but its adverse effects especially seizure has always been a problem of concern. This meta-analysis aims to provide information on the optimal dosage and delivery method which is effective with the least adverse outcomes. METHODS We searched Cochrane Central Register of Controlled Trials, MEDLINE and EMBASE for all relevant articles published before 2018/12/31. Inclusion criteria were adult patients undergoing elective heart surgeries, and only randomized control trials comparing TXA with placebo were considered. Two authors independently assessed trial quality and extracted relevant data. RESULTS We included 49 studies with 10,591 patients into analysis. TXA significantly reduced transfusion rate (RR 0.71, 95% CI 0.65 to 0.78, P<0.00001). The overall transfusion rate was 35%(1573/4477) for patients using TXA and 49%(2190/4408) for patients in the control group. Peri-operative blood loss (MD - 246.98 ml, 95% CI - 287.89 to - 206.06 ml, P<0.00001) and re-operation rate (RR 0.62, 95% CI 0.49 to 0.79, P<0.0001) were also reduced significantly. TXA usage did not increase risk of mortality, myocardial infarction, stroke, pulmonary embolism and renal dysfunction, but was associated with a significantly increase in seizure attack (RR 3.21, 95% CI 1.04 to 9.90, P = 0.04).The overall rate of seizure attack was 0.62%(21/3378) for patients using TXA and 0.15%(5/3406) for patients in the control group. In subgroup analysis, TXA was effective for both on-pump and off-pump surgeries. Topical application didn't reduce the need for transfusion requirement, while intravenous delivery no matter as bolus injection alone or bolus plus continuous infusion were effective. Intravenous high-dose TXA didn't further decrease transfusion rate compared with low-dose regimen, and increased the risk of seizure by 4.83 times. No patients in the low-dose group had seizure attack. CONCLUSIONS TXA was effective in reducing transfusion requirement in all kinds of cardiac surgeries. Low-dose intravenous infusion was the most preferable delivery method which was as effective as high-dose regimen in reducing transfusion rate without increasing the risk of seizure.
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Affiliation(s)
- Jingfei Guo
- Department of Anesthesiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, and Peking Union Medical College, No.167 Beilishi Road, Xicheng district, Beijing, China
| | - Xurong Gao
- Department of Blood Transfusion, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, and Peking Union Medical College, No.167 Beilishi Road, Xicheng district, Beijing, China
| | - Yan Ma
- Operating room, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, and Peking Union Medical College, No.167 Beilishi Road, Xicheng district, Beijing, China
| | - Huran Lv
- Department of Anesthesiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, and Peking Union Medical College, No.167 Beilishi Road, Xicheng district, Beijing, China
| | - Wenjun Hu
- Department of Anesthesiology, The 305th Hospital of the Chinese People’s Liberation Army, No.13 Wenjin Road, Xicheng district, Beijing, China
| | - Shijie Zhang
- Department of Anesthesiology, Wu’an First People’s Hospital, Kuangjian Road, Handan, Hebei Province China
| | - Hongwen Ji
- Department of Anesthesiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, and Peking Union Medical College, No.167 Beilishi Road, Xicheng district, Beijing, China
| | - Guyan Wang
- Department of Anesthesiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, and Peking Union Medical College, No.167 Beilishi Road, Xicheng district, Beijing, China
| | - Jia Shi
- Department of Anesthesiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, and Peking Union Medical College, No.167 Beilishi Road, Xicheng district, Beijing, China
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Nouraei SM. What Are the Optimal Dose of Administration and Time of Drainage for Topical Tranexamic Acid in Patients Undergoing Cardiac Surgery? THE KOREAN JOURNAL OF THORACIC AND CARDIOVASCULAR SURGERY 2017; 50:477-478. [PMID: 29234620 PMCID: PMC5716656 DOI: 10.5090/kjtcs.2017.50.6.477] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 08/09/2017] [Accepted: 08/10/2017] [Indexed: 11/16/2022]
Affiliation(s)
- Seyed Mahmood Nouraei
- Thoracic and Cardiovascular Surgery Department, Faculty of Medicine, Mazandaran University of Medical Sciences
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