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Lin PS, Yao YT, Tian LJ, Jiang JJ, Zhang Y, He LX, Yu YP, Ma J. The efficacy and safety of intravenous administration of tranexamic acid in patients undergoing cardiac surgery: Evidence from a single cardiovascular center. Medicine (Baltimore) 2023; 102:e33819. [PMID: 37335691 DOI: 10.1097/md.0000000000033819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/21/2023] Open
Abstract
BACKGROUND The current study was performed to systemically review the efficacy and safety of tranexamic acid (TXA) in patients undergoing cardiac surgery at a single large-volume cardiovascular center. METHODS A computerized search of electronic databases was performed to identify all relevant studies using search terms till December 31st, 2021. The primary outcomes were postoperative blood loss and the composite incidence of mortality and morbidities during hospitalization. Secondary outcomes included postoperative massive bleeding and transfusion, postoperative recovery profiles, coagulation functions, inflammatory variables, and biomarkers of vital organ injury. RESULTS Database search yielded 23 qualified studies including 27,729 patients in total. Among them, 14,136 were allocated into TXA group and 13,593 into Control group. The current study indicated that intravenous TXA significantly reduced total volume of postoperative bleeding in both adult and pediatric patients, and that medium- and high-dose TXA were more effective than low-dose TXA in adult patients (P < .05). The current study also demonstrated that intravenous TXA, as compared to Control, remarkably reduced postoperative transfusion incidences and volume of red blood cell and fresh frozen plasma, and reduced postoperative transfusion incidence of platelet concentrates (PC) (P < .05) without obvious dose-effects (P > .05), but TXA did not reduce PC transfusion volume postoperatively in adult patients (P > .05). For pediatrics, TXA did not significantly reduce postoperative transfusion incidence and volume of allogenic red blood cell, fresh frozen plasma and PC (P > .05). Additionally, the current study demonstrated that intravenous TXA did not influence the composite incidence of postoperative mortality and morbidities in either adults or pediatrics during hospitalization (P > .05), and that there was no obvious dose-effect of TXA in adult patients (P > .05). CONCLUSIONS This current study suggested that intravenous TXA significantly reduced total volume of postoperative bleeding in both adult and pediatric patients undergoing cardiac surgery at the single cardiovascular center without increasing the composite incidence of mortality and morbidities.
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Affiliation(s)
- Pei-Shuang Lin
- Department of Anesthesiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Department of Cardiovascular surgery, Fujian Medical University Affiliated First Quanzhou Hospital, Fujian, China
| | - Yun-Tai Yao
- Department of Anesthesiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Li-Juan Tian
- Department of Anesthesiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Juan-Juan Jiang
- Key Laboratory of Clinical Research for Cardiovascular Medications, Fuwai Hospital, National Center for Cardiovascular Diseases, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Yang Zhang
- Department of Laboratory Medicine, National Center for Cardiovascular Diseases, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Li-Xian He
- Department of Anesthesiology, Fuwai Yunnan Cardiovascular Hospital, Kunming, China
| | - Yi-Ping Yu
- Department of Anesthesiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Jie Ma
- Department of Pharmacy, Fuwai Hospital, National Center for Cardiovascular Diseases, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
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Zhang B, He LX, Yao YT. Intravenous Tranexamic Acid Reduces Post-Operative Bleeding and Blood Transfusion in Patients Undergoing Aortic Surgery: A PRISMA-Compliant Systematic Review and Meta-Analysis. Rev Cardiovasc Med 2023; 24:120. [PMID: 39076261 PMCID: PMC11273041 DOI: 10.31083/j.rcm2404120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 11/27/2022] [Accepted: 12/19/2022] [Indexed: 07/31/2024] Open
Abstract
Background Tranexamic acid (TXA), an antifibrinolytic agent, has been demonstrated to reduce blood loss and transfusion requirements in both cardiac and non-cardiac surgery. However, the evidence regarding the efficacy of intravenous TXA in aortic surgery has been seldomly analyzed. Therefore, the current study was performed to address this question. Methods Searches of PubMed, EMBASE, OVID, Cochrane Library and CNKI were conducted comprehensively for randomized controlled trials (RCTs) comparing intravenous TXA versus no-TXA. Independently and in duplicate, we reviewed titles, abstracts and full-text articles, extracted data and evaluated bias risks. A random effect or fixed effect model was utilized to pool data. Results The database search yielded 4 RCTs involving 273 patients. Meta-analysis revealed that, there was a significant reduction in bleeding volume within the first 4 hours post-operatively [(weighted mean difference (WMD) = -74.33; 95% confidence interval (CI): -133.55 to -15.11; p = 0.01)], and the first 24 hours post-operatively [(WMD = -228.91; 95% CI: -352.60 to -105.23; p = 0.0003)], post-operative red blood cell (RBC) transfusion volume [(WMD = -420.00; 95% CI: -523.86 to -316.14; p < 0.00001)], fresh frozen plasma (FFP) transfusion volume [(WMD = -360.35; 95% CI: -394.80 to -325.89; p < 0.00001)] and platelet concentrate (PC) transfusion volume [(WMD = -1.27; 95% CI: -1.47 to -1.07; p < 0.0001)] following intravenous TXA administration. In addition, intravenous TXA administration significantly decreased the incidence of postoperative complications (53/451 (8.2%) vs. 75/421 (13.9%); odds ratio (OR) = 0.47; 95% CI: 0.30 to 0.75; p = 0.001), according to this present meta-analysis. Conclusions The current study preliminarily demonstrated that, TXA significantly reduced postoperative bleeding, blood transfusion requirements and postoperative complications among patients undergoing aortic surgery. More well-designed studies are warrant to confirm the efficacy and safety of intravenous TXA in patients undergoing aortic surgery.
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Affiliation(s)
- Bo Zhang
- Department of Anesthesiology, Tianjin Union Medical Center, 300121 Tianjin, China
| | - Li-xian He
- Department of Anesthesiology, Fuwai Yunnan Cardiovascular Hospital, 650000 Kunming, Yunnan, China
| | - Yun-tai Yao
- Department of Anesthesiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Peking Union Medical College and Chinese Academy of Medical Sciences, 100037 Beijing, China
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3
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Wang E, Wang Y, Li Y, Hu S, Yuan S. Tranexamic acid is associated with improved hemostasis in elderly patients undergoing coronary-artery surgeries in a retrospective cohort study. Front Surg 2023; 10:1117974. [PMID: 36896258 PMCID: PMC9989169 DOI: 10.3389/fsurg.2023.1117974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 02/03/2023] [Indexed: 02/23/2023] Open
Abstract
Background More elderly patients undergo coronary artery bypass surgery (CABG) than younger patients. Whether tranexamic acid (TA) is still effective and safe in elderly patients undergoing CABG surgeries is still unclear. Methods In this study, a cohort of 7,224 patients ≥70 years undergoing CABG surgery were included. Patients were categorized into the no TA group, TA group, high-dose group, and low-dose group according whether TA was administered and the dose administered. The primary endpoint was blood loss and blood transfusion after CABG. The secondary endpoints were thromboembolic events and in-hospital death. Results The blood loss at 24 and 48 h and the total blood loss after surgery in patients in the TA group were 90, 90, and 190 ml less than those in the no-TA group, respectively (p < 0.0001). The total blood transfusion was reduced 0.38-fold with TA administration compared to that without TA (OR = 0.62, 95% CI 0.56-0.68, p < 0.0001). Blood component transfusion was also reduced. High-dose TA administration reduced the blood loss by 20 ml 24 h after surgery (p = 0.032) but had no relationship with the blood transfusion. TA increased the risk of perioperative myocardial infarction (PMI) by 1.62-fold [p = 0.003, OR = 1.62, 95% CI (1.18-2.22)] but reduced the hospital stay time in patients who were administered TA compared to that of patients who did not receive TA (p = 0.026). Conclusion We revealed that elderly patients undergoing CABG surgeries had better hemostasis after TA administration but increased the risk of PMI. High-dose TA was effective and safe compared with low-dose TA administration in elderly patients undergoing CABG surgery.
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Affiliation(s)
- Enshi Wang
- Department of Cardiovascular Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Yang Wang
- Medical Research & Biometrics Center, National Center for Cardiovascular Diseases, Beijing, China
| | - Yuan Li
- Department of Cardiovascular Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Shengshou Hu
- Department of Cardiovascular Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Su Yuan
- Department of Anesthesiology, Fuwai Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
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Post-operative tranexamic acid decreases chest tube drainage following vertebral body tethering surgery for scoliosis correction. Spine Deform 2022; 10:811-816. [PMID: 35262880 DOI: 10.1007/s43390-022-00492-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 02/19/2022] [Indexed: 10/18/2022]
Abstract
PURPOSE Anterior vertebral body tethering (VBT) is a non-fusion surgical treatment for Adolescent Idiopathic Scoliosis requiring chest tube(s) (CT). We sought to assess the efficacy of post-op intravenous tranexamic acid (IV TXA) in reducing CT drainage and retention. METHODS 35 VBT patients received 24 h of post-op IV TXA (2 mg/kg/h) were compared to 49 who did not. Group comparisons were performed using Wilcoxon rank-sum and chi-squared tests. Multivariate linear regression analysis was used to assess the relationships between TXA and both CT drainage and retention time. RESULTS There were no group differences at baseline (Table). CTs placed for thoracic (T) and thoracolumbar (TL) curves were assessed separately. For TH CT, there was less total CT drainage in the TXA group (TXA 569.4 ± 337.4 mL vs. Non-TXA 782.5 ± 338.9 mL; p = 0.003) and shorter CT retention time (TXA 3.0 ± 1.3 vs. Non-TXA 3.9 ± 1.4 days; p = 0.003). For TL CT, there was less total CT drainage in the TXA group (TXA 206.8 ± 152.2 mL vs. Non-TXA 395.7 ± 196.1 mL; p = 0.003) and shorter CT retention time (TXA 1.7 ± 1.3 vs. Non-TXA 2.7 ± 1.0 days; p = 0.001). Following multivariate analysis, use of TXA was the only significant predictor of both drainage in T and TL CTs (p = 0.012 and p = 0.002, respectively) as well as T and TL CT retention time (p = 0.008 and p = 0.009, respectively). There were no differences in LOS (p = 0.863) or ICU stay (p = 0.290). CONCLUSION IV TXA results in a significant decrease in CT drainage and retention time. CT retention is decreased by 1 day for those that receive TXA. LEVEL OF EVIDENCE III.
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Abstract
The management of infective endocarditis is complex and inherently requires multidisciplinary cooperation. About half of all patients diagnosed with infective endocarditis will meet the criteria to undergo cardiac surgery, which regularly takes place in urgent or emergency settings. The pathophysiology and clinical presentation of infective endocarditis make it a unique disorder within cardiac surgery that warrants a thorough understanding of specific characteristics in the perioperative period. This includes, among others, echocardiography, coagulation, bleeding management, or treatment of organ dysfunction. In this narrative review article, the authors summarize the current knowledge on infective endocarditis relevant for the clinical anesthesiologist in perioperative management of respective patients. Furthermore, the authors advocate for the anesthesiologist to become a structural member of the endocarditis team.
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Chen C, Liu J, Du L. Tranexamic acid after cardiopulmonary bypass does not increase risk of postoperative seizures: a retrospective study. Gen Thorac Cardiovasc Surg 2021; 70:337-346. [PMID: 34561761 DOI: 10.1007/s11748-021-01709-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 09/04/2021] [Indexed: 02/05/2023]
Abstract
OBJECTIVE To evaluate the effects of administering tranexamic acid (TXA) after cardiopulmonary bypass, instead of after anesthesia induction, on postoperative seizures and blood transfusion requirements. METHODS Adult patients who underwent valve surgery and/or coronary artery bypass grafting at West China Hospital between July 1, 2011 and December 31, 2016 were retrospectively analyzed. Patients either received TXA after bypass (n = 2062) or not (n = 4236). Logistic regression and propensity score matching analysis were performed to assess effects of TXA on postoperative seizures and blood product requirements in hospital. RESULTS Among 6298 patients, seizures occurred in 2.4% (102/4236) in the no-TXA group and 2.7% (56/2062) in the TXA group (P = 0.46). The number of patients receiving any blood products was greater in the no-TXA group (57.3%, 2428/4236) than in the TXA group (53.1%, 1095/2062) (P < 0.01), and the volume of blood products was also greater in the no-TXA group (1.5 vs. 1.0 units, P < 0.01). TXA was not associated with increased incidence of postoperative seizures (adjusted OR 1.16, 95% CI 0.83-1.62) but was associated with lower incidence of a requirement for blood products (adjusted OR 0.82, 95% CI 0.73-0.92). Similar results were obtained after patients from the two groups were matched based on propensity scoring. TXA was associated with reduced requirements for fresh frozen plasma, platelets and cryoprecipitate, but not red blood cells. CONCLUSIONS Administering TXA after bypass may reduce requirements for blood products without increasing risk of seizures following cardiac surgery.
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Affiliation(s)
- Changwei Chen
- Department of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Jing Liu
- Department of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Lei Du
- Department of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
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Tranexamic acid given into wound reduces postoperative drainage, blood loss, and hospital stay in spinal surgeries: a meta-analysis. J Orthop Surg Res 2021; 16:401. [PMID: 34158096 PMCID: PMC8220711 DOI: 10.1186/s13018-021-02548-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 06/09/2021] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Although intravenous tranexamic acid administration (ivTXA) has prevailed in clinical antifibrinolytic treatment, whether it increases thromboembolic risks has remained controversial. As a potent alternative to ivTXA, topical use of TXA (tTXA) has been successfully applied to attenuate blood loss in various surgical fields while minimizing systemic exposure to TXA. This meta-analysis was conducted to gather scientific evidence for tTXA efficacy on reducing postoperative drainage, blood loss, and the length of hospital stay in spine surgeries. OBJECTIVES To examine whether topical use of TXA (tTXA) reduces postoperative drainage output and duration, hidden blood loss, hemoglobin level drop, hospital stay, and adverse event rate, we reviewed both randomized and non-randomized controlled trials that assessed the aforementioned efficacies of tTXA compared with placebo in patients undergoing cervical, thoracic, or lumbar spinal surgeries. METHODS An exhaustive literature search was conducted in MEDLINE and EMBASE databases from January 2000 through March 2020. Measurable outcomes were pooled using Review Manager (RevMan) version 5.0 in a meta-analysis. RESULTS Significantly reduced postoperative drainage output (weighted mean difference [WMD]= - 160.62 ml, 95% confidence interval (95% CI) [- 203.41, - 117.83]; p < .00001) and duration (WMD= - 0.75 days, 95% CI [- 1.09, - 0.40]; p < .0001), perioperative hidden blood loss (WMD= - 91.18ml, 95% CI [- 121.42, - 60.94]; p < .00001), and length of hospital stay (WMD= - 1.32 days, 95% CI [- 1.90, - 0.74]; p < .00001) were observed in tTXA group. Pooled effect for Hb level drop with tTXA vs placebo crossed the equivalent line by a mere 0.05 g/dL, with the predominant distribution of 95% confidence interval (CI) favoring tTXA use. CONCLUSIONS With the most comprehensive literature inclusion up to the present, this meta-analysis suggests that tTXA use in spinal surgeries significantly reduces postoperative drainage, hidden blood loss, and hospital stay duration. The pooled effect also suggests that tTXA appears more effective than placebo in preserving postoperative Hb level, which needs further validation by future studies.
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8
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Kutlubaev MA, Nikolaeva IE, Oleinik BA, Kutlubaeva RF. [Perioperative strokes in cardiac surgery]. Zh Nevrol Psikhiatr Im S S Korsakova 2021; 121:10-15. [PMID: 33908226 DOI: 10.17116/jnevro202112103210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The frequency of perioperative stroke in cardiosurgical practice may reach up to 10%. The risk of stroke is especially high after coronary artery bypass surgery and valve replacement. Perioperative stroke is related to embolism with the fragments of atherosclerotic plaque, arterial hypotension, cardiac arrhythmias, hypercoagulation, etc. The likelihood of stroke can be reduced by preoperative assessment of the patient. It is important to control blood pressure and saturation during the surgery. The manipulation on aorta should be minimized in order to reduce the risk of perioperative stroke. Important role belongs to timely identification of those who developed stroke after surgery. The only possible method of reperfusion therapy in perioperative stroke is mechanical thrombectomy.
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Affiliation(s)
| | - I E Nikolaeva
- Bashkir State Medical University, Ufa, Russia.,Republican Cardiological Center, Ufa, Russia
| | - B A Oleinik
- Bashkir State Medical University, Ufa, Russia.,Republican Cardiological Center, Ufa, Russia
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Baker CM, Ravindra VM, Gociman B, Siddiqi FA, Goldstein JA, Smyth MD, Lee A, Anderson RCE, Patel KB, Birgfeld C, Pollack IF, Imahiyerobo T, Kestle JRW. Management of sagittal synostosis in the Synostosis Research Group: baseline data and early outcomes. Neurosurg Focus 2021; 50:E3. [PMID: 33794498 DOI: 10.3171/2021.1.focus201029] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 01/05/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Sagittal synostosis is the most common form of isolated craniosynostosis. Although some centers have reported extensive experience with this condition, most reports have focused on a single center. In 2017, the Synostosis Research Group (SynRG), a multicenter collaborative network, was formed to study craniosynostosis. Here, the authors report their early experience with treating sagittal synostosis in the network. The goals were to describe practice patterns, identify variations, and generate hypotheses for future research. METHODS All patients with a clinical diagnosis of isolated sagittal synostosis who presented to a SynRG center between March 1, 2017, and October 31, 2019, were included. Follow-up information through October 31, 2020, was included. Data extracted from the prospectively maintained SynRG registry included baseline parameters, surgical adjuncts and techniques, complications prior to discharge, and indications for reoperation. Data analysis was descriptive, using frequencies for categorical variables and means and medians for continuous variables. RESULTS Two hundred five patients had treatment for sagittal synostosis at 5 different sites. One hundred twenty-six patients were treated with strip craniectomy and 79 patients with total cranial vault remodeling. The most common strip craniectomy was wide craniectomy with parietal wedge osteotomies (44%), and the most common cranial vault remodeling procedure was total vault remodeling without forehead remodeling (63%). Preoperative mean cephalic indices (CIs) were similar between treatment groups: 0.69 for strip craniectomy and 0.68 for cranial vault remodeling. Thirteen percent of patients had other health problems. In the cranial vault cohort, 81% of patients who received tranexamic acid required a transfusion compared with 94% of patients who did not receive tranexamic acid. The rates of complication were low in all treatment groups. Five patients (2%) had an unintended reoperation. The mean change in CI was 0.09 for strip craniectomy and 0.06 for cranial vault remodeling; wide craniectomy resulted in a greater change in CI in the strip craniectomy group. CONCLUSIONS The baseline severity of scaphocephaly was similar across procedures and sites. Treatment methods varied, but cranial vault remodeling and strip craniectomy both resulted in satisfactory postoperative CIs. Use of tranexamic acid may reduce the need for transfusion in cranial vault cases. The wide craniectomy technique for strip craniectomy seemed to be associated with change in CI. Both findings seem amenable to testing in a randomized controlled trial.
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Affiliation(s)
- Cordell M Baker
- Divisions of1Pediatric Neurosurgery, Primary Children's Hospital, and
| | - Vijay M Ravindra
- Divisions of1Pediatric Neurosurgery, Primary Children's Hospital, and.,2Division of Neurosurgery, University of California, San Diego, California.,3Department of Neurosurgery, Naval Medical Center San Diego, California
| | - Barbu Gociman
- 4Plastic and Reconstructive Surgery, University of Utah, Salt Lake City, Utah
| | - Faizi A Siddiqi
- 4Plastic and Reconstructive Surgery, University of Utah, Salt Lake City, Utah
| | | | | | - Amy Lee
- 7Department of Neurosurgery, Seattle Children's Hospital, University of Washington, Seattle, Washington
| | - Richard C E Anderson
- 8Department of Neurosurgery, Columbia University, Morgan Stanley Children's Hospital, New York; and
| | - Kamlesh B Patel
- 9Division of Plastic and Reconstructive Surgery, Department of Surgery, St. Louis Children's Hospital, Washington University School of Medicine in St. Louis, Missouri
| | - Craig Birgfeld
- 10Pediatric Neurosurgery, UPMC Children's Hospital of Pittsburgh, Pennsylvania
| | - Ian F Pollack
- 10Pediatric Neurosurgery, UPMC Children's Hospital of Pittsburgh, Pennsylvania
| | - Thomas Imahiyerobo
- 11Division of Plastic Surgery, Columbia University Medical Center, NewYork-Presbyterian Hospital, New York, New York
| | - John R W Kestle
- Divisions of1Pediatric Neurosurgery, Primary Children's Hospital, and
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10
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Zhou ZF, Zhai W, Yu LN, Sun K, Sun LH, Xing XF, Yan M. Comparison of the in-vivo effect of two tranexamic acid doses on fibrinolysis parameters in adults undergoing valvular cardiac surgery with cardiopulmonary bypass - a pilot investigation. BMC Anesthesiol 2021; 21:33. [PMID: 33530942 PMCID: PMC7852217 DOI: 10.1186/s12871-021-01234-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 01/04/2021] [Indexed: 11/24/2022] Open
Abstract
Background The blood saving efficacy of TXA in cardiac surgery has been proved in several studies, but TXA dosing regimens were varied in those studies. Therefore, we performed this study to investigate if there is a dose dependent in-vivo effect of TXA on fibrinolysis parameters by measurement of fibrinolysis markers in adults undergoing cardiac surgery with CPB. Methods A double-blind, randomized, controlled prospective trial was conducted from February 11, 2017 to May 05, 2017. Thirty patients undergoing cardiac valve surgery were identified and randomly divided into a placebo group, low-dose group and high-dose group by 1: 1: 1. Fibrinolysis parameters were measured by plasma levels of D-Dimers, plasminogen activator inhibitor-1 (PAI-1), thrombin activatable fibrinolysis inhibitor (TAFI), plasmin-antiplasmin complex (PAP), tissue plasminogen activator (tPA) and thrombomodulin (TM). Those proteins were measured at five different sample times: preoperatively before the TXA injection (T1), 5 min after the TXA bolus (T2), 5 min after the initiation of CPB (T3), 5 min before the end of CPB (T4) and 5 min after the protamine administration (T5). A Thrombelastography (TEG) and standard coagulation test were also performed. Results Compared with the control group, the level of the D-Dimers decreased in the low-dose and high-dose groups when the patients arrived at the ICU and on the first postoperative morning. Over time, the concentrations of PAI-1, TAFI, and TM, but not PAP and tPA, showed significant differences between the three groups (P < 0.05). Compared with the placebo group, the plasma concentrations of PAI-1 and TAFI decreased significantly at the T3 and T4 (P < 0.05); TAFI concentrations also decreased at the T5 in low-dose group (P < 0.05). Compared with the low-dose group, the concentration of TM increased significantly at the T4 in high-dose group. Conclusions The in-vivo effect of low dose TXA is equivalent to high dose TXA on fibrinolysis parameters in adults with a low bleeding risk undergoing valvular cardiac surgery with cardiopulmonary bypass, and a low dose TXA regimen might be equivalent to high dose TXA for those patients. Trial registration ChiCTR-IPR-17010303, Principal investigator: Zhen-feng ZHOU, Date of registration: January 1, 2017. Supplementary Information The online version contains supplementary material available at 10.1186/s12871-021-01234-8.
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Affiliation(s)
- Zhen-Feng Zhou
- Department of Anesthesiology, The Second Affiliated Hospital, School of Medicine Zhejiang University, Hangzhou, China.,Department of Anesthesiology, Hangzhou Women's Hospital (The Affiliated Women's Hospital of Hangzhou Normal University), Hangzhou, China
| | - Wen Zhai
- Department of Anesthesiology, The Second Affiliated Hospital, School of Medicine Zhejiang University, Hangzhou, China.,Department of Anesthesiology, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medicine College), Hangzhou, China
| | - Li-Na Yu
- Department of Anesthesiology, The Second Affiliated Hospital, School of Medicine Zhejiang University, Hangzhou, China
| | - Kai Sun
- Department of Anesthesiology, The Second Affiliated Hospital, School of Medicine Zhejiang University, Hangzhou, China
| | - Li-Hong Sun
- Department of Anesthesiology, Women's Hospital, School of Medicine Zhejiang University, Hangzhou, China
| | - Xiu-Fang Xing
- Department of Anesthesiology, The Second Affiliated Hospital, School of Medicine Zhejiang University, Hangzhou, China
| | - Min Yan
- Department of Anesthesiology, The Second Affiliated Hospital, School of Medicine Zhejiang University, Hangzhou, China.
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Abstract
PURPOSE OF REVIEW This review overviews perioperative stroke as it pertains to specific surgical procedures. RECENT FINDINGS As awareness of perioperative stroke increases, so does the opportunity to potentially improve outcomes for these patients by early stroke recognition and intervention. Perioperative stroke is defined to be any stroke that occurs within 30 days of the initial surgical procedure. The incidence of perioperative stroke varies and is dependent on the specific type of surgery performed. This chapter overviews the risks, mechanisms, and acute evaluation and management of perioperative stroke in four surgical populations: cardiac surgery, carotid endarterectomy, neurosurgery, and non-cardiac/non-carotid/non-neurological surgeries.
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Affiliation(s)
- Megan C Leary
- Department of Neurology, Lehigh Valley Hospital and Health Network, 1250 S Cedar Crest Blvd, Suite 405, Allentown, PA, 18103-6224, USA. .,Morsani College of Medicine, University of South Florida, Tampa, FL, USA.
| | - Preet Varade
- Department of Neurology, Lehigh Valley Hospital and Health Network, 1250 S Cedar Crest Blvd, Suite 405, Allentown, PA, 18103-6224, USA.,Morsani College of Medicine, University of South Florida, Tampa, FL, USA
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12
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Inhaled Tranexamic Acid As a Novel Treatment for Pulmonary Hemorrhage in Critically Ill Pediatric Patients: An Observational Study. Crit Care Explor 2020; 2:e0075. [PMID: 32166295 PMCID: PMC7063899 DOI: 10.1097/cce.0000000000000075] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Objectives: To describe the use of inhaled or endotracheally instilled tranexamic acid in critically ill pediatric patients for the treatment of pulmonary hemorrhage, which can be severe, life-threatening, and include potentially high-risk management procedures. Design: Retrospective observational study from 2011-2018 with patients followed until hospital discharge. Setting: Free-standing children’s hospital with an annual ICU volume of more than 3,500 yearly admissions. Patients: Pediatric patients, ages 0 to 18 years, admitted to an ICU and who received at least one dose of inhaled or endotracheally instilled tranexamic acid were included. Interventions: Inhaled or endotracheally instilled tranexamic acid. Measurements and Main Results: This study described the efficacy and adverse effects of patients who received inhaled or endotracheally instilled tranexamic acid. A total of 19 patients met inclusion criteria; median age was 72 months (11–187 mo), most patients were female (11, 58%), and almost half our patients (8, 42%) had congenital heart disease. Nine of 19 encounters (47%) had diffuse alveolar hemorrhage, four (21%) had pulmonary hemorrhage related to major aortopulmonary collateral arteries, two (11%) had mucosal airway bleeding, two (11%) were iatrogenic, one had a pulmonary embolism, and one patient did not have their etiology of pulmonary hemorrhage determined. Cessation of pulmonary hemorrhage was achieved in 18 of 19 patients (95%) with inhaled tranexamic acid with no major adverse events recorded. Conclusions and Relevance: We demonstrate that inhaled tranexamic acid may be safely used to treat pulmonary hemorrhage from varied etiologies in critically ill pediatric patients. Prospective studies are required in this vulnerable population to determine optimal dosing and delivery strategies, as well as to define any differential effect according to etiology.
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Steinmetzer T, Pilgram O, Wenzel BM, Wiedemeyer SJA. Fibrinolysis Inhibitors: Potential Drugs for the Treatment and Prevention of Bleeding. J Med Chem 2019; 63:1445-1472. [PMID: 31658420 DOI: 10.1021/acs.jmedchem.9b01060] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Hyperfibrinolytic situations can lead to life-threatening bleeding, especially during cardiac surgery. The approved antifibrinolytic agents such as tranexamic acid, ε-aminocaproic acid, 4-aminomethylbenzoic acid, and aprotinin were developed in the 1960s without the structural insight of their respective targets. Crystal structures of the main antifibrinolytic targets, the lysine binding sites on plasminogen's kringle domains, and plasmin's serine protease domain greatly contributed to the structure-based drug design of novel inhibitor classes. Two series of ligands targeting the lysine binding sites have been recently described, which are more potent than the most-widely used antifibrinolytic agent, tranexamic acid. Furthermore, four types of promising active site inhibitors of plasmin have been developed: tranexamic acid conjugates targeting the S1 pocket and primed sites, substrate-analogue linear homopiperidylalanine-containing 4-amidinobenzylamide derivatives, macrocyclic inhibitors addressing nonprimed binding regions, and bicyclic 14-mer SFTI-1 analogues blocking both, primed and nonprimed binding sites of plasmin. Furthermore, several allosteric plasmin inhibitors based on heparin mimetics have been developed.
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Affiliation(s)
- Torsten Steinmetzer
- Department of Pharmacy, Institute of Pharmaceutical Chemistry , Philipps University Marburg , Marbacher Weg 6 , D-35032 Marburg , Germany
| | - Oliver Pilgram
- Department of Pharmacy, Institute of Pharmaceutical Chemistry , Philipps University Marburg , Marbacher Weg 6 , D-35032 Marburg , Germany
| | - Benjamin M Wenzel
- Department of Pharmacy, Institute of Pharmaceutical Chemistry , Philipps University Marburg , Marbacher Weg 6 , D-35032 Marburg , Germany
| | - Simon J A Wiedemeyer
- Department of Pharmacy, Institute of Pharmaceutical Chemistry , Philipps University Marburg , Marbacher Weg 6 , D-35032 Marburg , Germany
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Utilization and Real-world Effectiveness of Tranexamic Use in Shoulder Arthroplasty: A Population-based Study. J Am Acad Orthop Surg 2019; 27:736-742. [PMID: 30964754 DOI: 10.5435/jaaos-d-18-00206] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
INTRODUCTION Tranexamic acid (TXA) is increasingly used to reduce blood loss in lower extremity arthroplasty, but limited data exist for its effectiveness in patients undergoing shoulder arthroplasty. We aimed to use national data to assess the frequency of use and effectiveness of TXA in patients undergoing shoulder arthroplasty. METHODS Using national claims data from patients undergoing shoulder arthroplasty (Premier Healthcare; 2010 to 2016; n = 82,512; 429 hospitals), we categorized patients according to whether they received perioperative TXA. Multilevel multivariable regression models measured associations between TXA and blood transfusion risk, combined complications (including thromboembolic events, acute renal failure, cerebral infarction, and acute myocardial infarction), and length and cost of hospitalization. Odds ratios (ORs) and 95% confidence intervals (CIs) are reported. RESULTS Overall, TXA was used in 12.8% (n = 10,582) of patients with a strong increasing trend. After adjustment for relevant covariates, TXA use (compared with no TXA use) was associated with a 36% decrease in transfusion risk (OR, 0.64; 95% CI, 0.52 to 0.77; P < 0.05) and a 35% decreased risk for combined complications (OR, 0.65; 95% CI, 0.50 to 0.83; P < 0.05). Moreover, TXA use was associated with 6.2% shorter hospital stay (95% CI, -8.0% to -4.4%; P < 0.05), whereas no difference was observed with the cost of hospitalization. CONCLUSION In this first large-scale study assessing TXA use and effectiveness in patients undergoing shoulder arthroplasty, we found that although TXA utilization is still low, it is associated with a marked decrease in transfusion risk with no increases in complication risk. Effects on the length and cost of hospitalization appeared minor. Future studies should assess whether higher volumes of TXA utilization would translate into more gains on the length and cost of hospitalization. LEVEL OF EVIDENCE Level III.
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Alaifan T, Alenazy A, Xiang Wang D, Fernando SM, Spence J, Belley-Cote E, Fox-Robichaud A, Ainswoth C, Karachi T, Kyeremanteng K, Zarychanski R, Whitlock R, Rochwerg B. Tranexamic acid in cardiac surgery: a systematic review and meta-analysis (protocol). BMJ Open 2019; 9:e028585. [PMID: 31530593 PMCID: PMC6756438 DOI: 10.1136/bmjopen-2018-028585] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
INTRODUCTION Bleeding during cardiac surgery is associated with increased morbidity and mortality. Tranexamic acid is an antifibrinolytic with proven efficacy in major surgeries. Current clinical practice guidelines recommend intraoperative use in cardiac procedures. However, several complications have been reported with tranexamic acid including seizures. This review intends to summarise the evidence examining the efficacy and safety of tranexamic acid in patients undergoing cardiac surgery. METHODS/DESIGN We will search MEDLINE, Embase, PubMED, ACPJC, CINAHL and the Cochrane trial registry for eligible randomised controlled trials, the search dates for all databases will be from inception until 1 January 2019, investigating the perioperative use of topical and/or intravenous tranexamic acid as a stand-alone antifibrinolytic agent compared with placebo in patients undergoing open cardiac surgery. We categorised outcomes as patient critical or patient important. Selected patient-critical outcomes are: mortality (intensive care unit, hospital and 30-day endpoints), reoperation within 24 hours, postoperative bleeding requiring transfusion of packed red blood cells, myocardial infarction, stroke, pulmonary embolism, bowel infarction, upper or lower limb deep vein thrombosis and seizures. Those outcomes, we perceived as clinical experts to be most patient valued and patients were not involved in outcomes selection process. We will not apply publication date, language, journal or methodological quality restrictions. Two reviewers will independently screen and identify eligible studies using predefined eligibility criteria and then review full reports of all potentially relevant citations. A third reviewer will resolve disagreements if consensus cannot be achieved. We will present the results as relative risk with 95% CIs for dichotomous outcomes and as mean difference or standardised mean difference for continuous outcomes with 95% CIs. We will assess the quality of evidence using the Grading of Recommendations, Assessment, Development and Evaluation approach. ETHICS AND DISSEMINATION Formal ethical approval is not required as primary data will not be collected. The results will be disseminated through a peer-reviewed publication TRIAL REGISTRATION NUMBER: CRD42018105904.
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Affiliation(s)
- Thamer Alaifan
- Department of Medicine, Critical Care, McMaster University, Hamilton, Ontario, Canada
| | - Ahmed Alenazy
- Department of Medicine, Critical Care, McMaster University, Hamilton, Ontario, Canada
| | - Dominic Xiang Wang
- Schulich School of Medicine and Dentistry, University of Western, London, Ontario, Canada
| | - Shannon M Fernando
- Division of Critical Care, Department of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Jessica Spence
- Departments of Anesthesia and Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
- Population Health Research Institute, McMaster University, Hamilton, ON, Canada
| | - Emilie Belley-Cote
- Population Health Research Institute, McMaster University, Hamilton, ON, Canada
- Department of Medicine, Critical Care, Cardiology, McMaster University, Hamilton, Ontario, Canada
- Department of Health Research Methods, Evidence & Impact, McMaster University, Hamilton, ON, Canada
| | - Alison Fox-Robichaud
- Department of Medicine, Critical Care, McMaster University, Hamilton, Ontario, Canada
| | - Craig Ainswoth
- Department of Medicine, Critical Care, Cardiology, McMaster University, Hamilton, Ontario, Canada
| | - Tim Karachi
- Department of Medicine, Critical Care, McMaster University, Hamilton, Ontario, Canada
| | - Kwadwo Kyeremanteng
- Critical Care, University of Ottawa Faculty of Medicine, Ottawa, Ontario, Canada
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Ryan Zarychanski
- Department of Internal Medicine, Sections of Critical Care Medicine and of Hematology/Medical Oncology, University of Manitoba, Winnipeg, MB, Canada
| | - Richard Whitlock
- Population Health Research Institute, McMaster University, Hamilton, ON, Canada
- Department of Health Research Methods, Evidence & Impact, McMaster University, Hamilton, ON, Canada
- Department of Surgery, Division of Cardiac Surgery, McMaster University, Hamilton, ON, Canada
| | - Bram Rochwerg
- Department of Medicine, Critical Care, McMaster University, Hamilton, Ontario, Canada
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Hui S, Tao L, Mahmood F, Xu D, Ren Z, Chen X, Sheng L, Zhuang Q, Li S, Huang Y. Tranexamic Acid in Reducing Gross Hemorrhage and Transfusions of Spine Surgeries (TARGETS): study protocol for a prospective, randomized, double-blind, non-inferiority trial. Trials 2019; 20:125. [PMID: 30755256 PMCID: PMC6373130 DOI: 10.1186/s13063-019-3231-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 01/29/2019] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Tranexamic acid (TXA) has been routinely delivered in multisegmental spinal decompression and bone graft fusion surgeries with satisfactory outcomes in minimizing gross blood loss and transfusion demands. However, concerns remain that intravenously delivered TXA (ivTXA) may increase risks of postoperative convulsive seizures and systemic thrombogenicity. Topical use of TXA (tTXA), being more targeted to the surgical bleeding site while minimizing patient systemic exposure to ivTXA, has been successfully applied to attenuate blood losses and transfusion requirements in hip and knee arthroplasty. Yet, randomized controlled trials on tTXA efficacy and safety are still lacking in spinal surgeries. With this knowledge gap, we hypothesize that tTXA exhibits non-inferiority to ivTXA in blood conservation and clinical safety in multisegmental spinal decompression and bone graft fusion surgeries. METHODS A prospective, randomized, double-blind, non-inferiority study design will be adopted. The target sample size is 176. Eligible patients will be randomly allocated to receive either ivTXA or tTXA treatment. The primary end point is the perioperative total blood loss. Secondary end points consist of visible blood losses (intraoperative, postoperative 0-24 h, postoperative 0-48 h, combined perioperative blood loss, total postoperative blood loss), postoperative hidden blood loss, plasma TXA levels, postoperative conventional coagulation monitoring (prothrombin time, activated partial thromboplastin time, fiber Bragg grating, international normalized ratio), postoperative thromboelastography monitoring (reaction time, clot formation time, clot strength, fibrinolysis), postoperative hemoglobin nadir (within postoperative 48 h), perioperative transfusion amounts and rates, and length of hospital stay. Safety end points will be monitored too. DISCUSSION This proposed study will contribute to expanding clinical evidences of tTXA for bleeding management in major spinal surgeries. This will be a high-quality prospective randomized trial with sufficient sample size, strict methodology, and few design deficits. It will investigate the potentiality of tTXA as an alternative to ivTXA in improving the current standard of care in multisegmental spinal surgeries, thereby optimizing the enhanced recovery after surgery scheme in spinal surgeries. TRIAL REGISTRATION ClinicalTrials.gov, NCT03011866 . Registered on 5 January 2017.
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Affiliation(s)
- Shangyi Hui
- Department of Anesthesiology, Peking Union Medical College Hospital, No.1 Shuai Fu Yuan, Wang Fu Jing Street, Beijing, 100730, People's Republic of China
| | - Liyuan Tao
- Research Center of Clinical Epidemiology, Peking University Third Hospital, Beijing, China
| | - Feroze Mahmood
- Department of Anesthesia and Critical Care, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Derong Xu
- Department of Orthopedics, Peking Union Medical College Hospital, No.1 Shuai Fu Yuan, Wang Fu Jing Street, Beijing, 100730, China
| | - Zhinan Ren
- Department of Orthopedics, Peking Union Medical College Hospital, No.1 Shuai Fu Yuan, Wang Fu Jing Street, Beijing, 100730, China
| | - Xin Chen
- Department of Orthopedics, Peking Union Medical College Hospital, No.1 Shuai Fu Yuan, Wang Fu Jing Street, Beijing, 100730, China
| | - Lin Sheng
- Department of Orthopedics, Peking Union Medical College Hospital, No.1 Shuai Fu Yuan, Wang Fu Jing Street, Beijing, 100730, China
| | - Qianyu Zhuang
- Department of Orthopedics, Peking Union Medical College Hospital, No.1 Shuai Fu Yuan, Wang Fu Jing Street, Beijing, 100730, China.
| | - Shugang Li
- Department of Orthopedics, Peking Union Medical College Hospital, No.1 Shuai Fu Yuan, Wang Fu Jing Street, Beijing, 100730, China
| | - Yuguang Huang
- Department of Anesthesiology, Peking Union Medical College Hospital, No.1 Shuai Fu Yuan, Wang Fu Jing Street, Beijing, 100730, People's Republic of China
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Zhang Y, Zhang X, Wang Y, Shi J, Yuan S, Duan F, Wang Y, Zhang Z, Jia Y, Gong J, Li L, Yan F. Efficacy and Safety of Tranexamic Acid in Pediatric Patients Undergoing Cardiac Surgery: A Single-Center Experience. Front Pediatr 2019; 7:181. [PMID: 31134172 PMCID: PMC6514189 DOI: 10.3389/fped.2019.00181] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 04/18/2019] [Indexed: 12/15/2022] Open
Abstract
Aims: This study evaluated the efficacy and safety of tranexamic acid (TXA) undergoing cardiac surgery. Methods: Using a retrospective cohort study design, 2,026 consecutive pediatric patients who underwent surgical repair of atrial or ventricular septal defect or complete repair of Tetralogy of Fallot were included, and divided into a control group and a TXA group. Results: Compared with that in the control group, there were statistically significant reduction of both the 12-h and total postoperative blood loss in the TXA group [6.573 ± 0.144 vs. 5.499 ± 0.133 ml kg-1, mean difference (MD) 1.074 ml kg-1, p < 0.001; 12.183 ± 0.298 vs. 9.973 ± 0.276 ml kg-1, MD, 2.210 ml kg-1, p < 0.001]. There was a statistically significant reduction of the MD of 12-h postoperative blood loss due to TXA in patients aged < 1 year compared with that in patients aged ≥1 year (MD, 1.544 vs. 0.681 ml kg-1, P = 0.007). There were statistically significant reduction of the MD of both the 12-h and total postoperative blood loss due to TXA in patients weighing < 10 kg compared with that in patients weighing ≥10 kg (MD, 1.542 vs. 0.456 ml kg-1, P < 0.001, and MD, 2.195 vs. 0.929 ml kg-1, P = 0.036, respectively). There was a statistically significant reduction of the MD of total postoperative blood loss due to TXA in cyanotic patients compared with that in acyanotic patients (MD, 3.381 vs. 1.038 ml kg-1, P = 0.002). There was no significant difference in the postoperative volume or exposure of allogeneic transfusion, in-hospital morbidity or mortality between the groups. Conclusions: TXA took effects in reduction of postoperative blood loss but not the allogeneic transfusion requirement in pediatric patients undergoing cardiac surgery, particularly in infants weighing < 10 kg and cyanotic children. Moreover, the study suggested the use of TXA was safe in pediatric cardiac surgery.
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Affiliation(s)
- Yu Zhang
- Department of Anesthesiology, National Center for Cardiovascular Diseases and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xue Zhang
- Department of Information Center, National Center for Cardiovascular Diseases and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yang Wang
- Department of Medical Research & Biometrics Center, National Center for Cardiovascular Diseases and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jia Shi
- Department of Anesthesiology, National Center for Cardiovascular Diseases and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Su Yuan
- Department of Anesthesiology, National Center for Cardiovascular Diseases and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Fujian Duan
- Department of Anesthesiology, National Center for Cardiovascular Diseases and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuefu Wang
- Department of Anesthesiology, National Center for Cardiovascular Diseases and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhe Zhang
- Department of Anesthesiology, National Center for Cardiovascular Diseases and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuan Jia
- Department of Anesthesiology, National Center for Cardiovascular Diseases and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Junsong Gong
- Department of Anesthesiology, National Center for Cardiovascular Diseases and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lihuan Li
- Department of Anesthesiology, National Center for Cardiovascular Diseases and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Fuxia Yan
- Department of Anesthesiology, National Center for Cardiovascular Diseases and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Maegele M. Tranexamic Acid in Endoprosthesis. DEUTSCHES ARZTEBLATT INTERNATIONAL 2017; 114:822-823. [PMID: 29249225 DOI: 10.3238/arztebl.2017.0822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Marc Maegele
- Department of Trauma and Orthopedic Surgery, Cologne Merheim Medical Center; Faculty of Health (Department of Medicine) Institute for Research in Operative Medicine (IFOM) Cologne, Witten/Herdecke University
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