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The efficacy and safety of tranexamic acid in lumbar surgery: A meta-analysis of randomized-controlled trials
Xiao K, Zhuo X, Peng X, Wu Z, Li B
Joint diseases and related surgery. 2022;33(1):57-85
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Abstract
OBJECTIVES This meta-analysis aims to assess tranexamic acid (TXA) effectiveness and safety in lumbar surgery. PATIENTS AND METHODS Renewals of randomized-controlled trials (RCTs) were conducted utilizing databases of medical literature such as PubMed, China Science and Technology Journal Database, Cochrane Library, China National Knowledge Infrastructure (CNKI), and EMBASE to compare principal and safety endpoints. The risk ratio (RR), standard mean difference (SMD), and 95% confidence intervals (CIs) were calculated. For the evaluation of the quality of the included studies, the Cochrane risk of bias criteria were utilized by two authors. RESULTS In total, 49 articles were enrolled that included 4,822 patients. Of the patients, 2,653 were administered TXA and 2,169 were in the control group. The findings indicated that TXA was capable of significantly lowering postoperative blood loss (PBL), transfusion rate, transfusion volume, total blood loss (TBL), intraoperative blood loss (IBL), and drainage compared to the control group. Besides, hemoglobin (Hb) and hematocrit (Hct) values were higher in the TXA group compared to the control group. As the safety endpoints, TXA significantly reduced D-dimer levels compared to the control group; however, both TXA and control groups had no significant variations in deep venous thrombosis (DVT). Subgroup analysis was administrated according to the administration method of TXA and the operation type and intravenous and topical TXA were combined in the meta-analysis. CONCLUSION This meta-analysis showed that TXA had the potential to significantly lower PBL, transfusion rate, transfusion volume, TBL, IBL, and drainage compared to the control group. Besides, Hb and Hct values were higher in the TXA group compared to the control group. Its hemostatic potential after lumbar spine surgery is trustworthy. It is still controversial in safety endpoints that TXA can significantly reduce D-dimer compared to the control group, without no significant variations in DVT in both the TXA and control groups.
PICO Summary
Population
Patients undergoing lumbar surgery (49 studies, n= 4,822).
Intervention
Tranexamic acid (TXA), (n= 2,653).
Comparison
Normal saline (n= 2,169).
Outcome
TXA significantly lowered postoperative blood loss, transfusion rate, transfusion volume, total blood loss, intraoperative blood loss, and drainage compared to the control group. Haemoglobin and haematocrit values were higher in the TXA group compared to the control group. As the safety endpoints, TXA significantly reduced D-dimer levels compared to the control group; however, both TXA and control groups had no significant variations in deep venous thrombosis.
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Comprehensive assessment of tranexamic acid during orthognathic surgery: A systematic review and meta-analysis of randomized, controlled trials
Zhao H, Liu S, Wu Z, Zhao H, Ma C
Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery. 2019
Abstract
The objective of this study was to comprehensively assess the use of tranexamic acid (TXA) during orthognathic surgery. A systematic review and meta-analysis of randomized controlled trials addressing these issues were carried out. Three electronic databases, included PubMed, Web of Science, and Cochrane Library, were searched until April 30, 2018. Eligible studies were restricted to randomized, controlled trials (RCTs). Weighted mean differences (WMD) for blood loss, operation time, haematocrit, quality of surgical field, and odds ratio (OR) for transfusion rates were pooled for the included studies. Eight randomized, controlled trials were included for analysis. Compared with the control group, the TXA group showed a reduction in intraoperative blood loss of 165.03 ml (p < 0.00001; 95% CI, -200.93 to -129.13 ml), a reduction in the drop of haematocrit of 2.32 g/dl (p < 0.00001; 95% CI, -3.38 to -1.26 g/dl), and an improved quality of surgical field (p < 0.00001; MD, -1.01; 95% CI, -1.23 to -0.80). Tranexamic acid has a limited effect on reducing operative time (p < 0.00001; MD, -16.18 min; 95% CI, -19.60 to -12.75 min) and on decreasing the transfusion rates (p = 0.02; OR = 0.33; 95% CI, 0.13 to 0.83).
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Perioperative combined administration of tranexamic acid and dexamethasone in total knee arthroplasty-benefit versus harm?
Yu Y, Lin H, Wu Z, Xu P, Lei Z
Medicine. 2019;98(34):e15852
Abstract
BACKGROUND The purpose of this study was to investigate the benefits and harm of combined administration of tranexamic acid (TXA) and dexamethasone (Dexa) in total knee arthroplasty (TKA). METHODS A total of 88 consecutive patients undergoing TKA for knee osteoarthritis were stratified in 2 groups. All surgeries were performed under general anesthesia. Brief, patients in the TXA + Dexa group (n = 45) received 10 mg Dexa just after the anesthesia, and repeated at 24 hours after the surgery; and patients in the TXA group (n = 43) received 2 ml of normal saline solution at the same time. The measured outcomes were the C-reactive protein (CRP) and interleukin-6 (IL-6) from preoperatively to postoperatively, and postoperative nausea and vomiting (PONV), fatigue, range of motion (ROM), length of stay (LOS), and the analgesic and antiemetic rescue consumption RESULTS The level of CRP and IL-6 in the TXA + Dexa group were lower than that in the TXA group at 24 hours (P < .001, P < .001), 48 hours (P < .001, P < .001), and 72 hours (P < .001, P < .001) after the surgery. The pain scores in the TXA + Dexa group were lower during walking at 24 hours (P < .001), 48 hours (P < .001), and 72 hours (P < .001) and at rest at 24 hours (P = .022) after the surgery. Patients in the TXA + Dexa group had a lower nausea score, the incidence of PONV, fatigue, and the analgesic and antiemetic rescue consumption, and had a greater ROM than that in the TXA group. No significant differences were found in LOS and complications. CONCLUSION The combined administration of TXA + Dexa significantly reduced the level of postoperative CRP and IL-6, relieve postoperative pain, ameliorate the incidence of POVN, provide additional analgesic and antiemetic effects, reduce postoperative fatigue, and improve ROM, without increasing the risk of complications in primary TKA.
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The efficacy and safety of anti-fibrinolytic agents in blood management following peri-acetabular osteotomy: A meta-analysis
Wang M, Tan H, Wu Z, Liang Y
Medicine. 2018;97((34)):e11967.
Abstract
BACKGROUND Blood management after peri-acetabular osteotomy (PAO) has become a serious problem. We performed a meta-analysis to evaluate the efficacy and safety of antifibrinolytics for blood management after PAO. METHODS PubMed, OVID, Embase, ScienceDirect, and Web of Science were searched up to January, 2018 without restrictions on publication date and language. We also searched the relevant publication sources. The research was reported according to the Preferred Reporting Items for Systematic Reviews and Meta-analysis guidelines. Randomized controlled trials (RCTs) and non-RCTs were included in our study. Weighted mean differences, risk difference, and 95% confidence intervals were calculated. We assessed statistical heterogeneity for each outcome with the use of a standard chi-square test and I statistic. The data were extracted by 2 of the co-authors independently and were analyzed by RevMan5.3. Primary outcomes were total blood loss, postoperative hemoglobin decline, and transfusion rates. Secondary outcomes were length of a hospital stay and postoperative complications. RESULTS Four studies including 1 RCT and 3 non-RCTs were included in our study. The present meta-analysis indicated that antifibrinolytics was associated with a significant reduction of the total blood loss, postoperative hemoglobin decline, transfusion rates, and length of a hospital stay compared with control groups. No significant differences were identified in terms of the incidence of postoperative complications. CONCLUSION Intravenous antifibrinolytics was efficacious in reduction of total blood loss, postoperative hemoglobin decline, and length of a hospital stay after PAO without increasing the risk of thromboembolic complications. More high-quality RCTs with long follow-up period were necessary for proper comparisons of the efficacy and safety of antifibrinolytics with placebo.