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Comparison of oral versus intravenous tranexamic acid in total knee and hip arthroplasty: A GRADE analysis and meta-analysis.

ABSTRACT: BACKGROUND:The efficacy and safety of oral tranexamic acid (TXA) remain controversial because of the small number of clinical studies. The aim of the present study was to compare the efficacy and safety of oral TXA with intravenous TXA in patients undergoing total hip arthroplasty and total knee arthroplasty in a systematic review and meta-analysis. METHODS:We conducted a meta-analysis to identify randomized controlled trials (RCTs) involving oral and intravenous TXA in total hip arthroplasty and total knee arthroplasty up to December 2019 by searching databases including PubMed, Web of Science, Embase, the Cochrane Controlled Trials Register, the Cochrane Library China Biology Medicine, China National Knowledge Infrastructure, China Science and Technology Journal Database and Wanfang. The mean difference or standard mean difference was used to assess continuous outcomes such as hemoglobin (Hb) drop, total blood loss, drain blood loss, and length of hospital stay, with a 95% confidence interval. Relative risks with a 95% confidence interval were used to assess dichotomous outcomes such as transfusion rate and the incidence of deep venous thrombosis and calf muscular vein thrombosis. Review Manager was used for the meta-analysis. RESULTS:Ten RCTs containing 1080 participants met the inclusion criteria. We found no significant differences in terms of the average Hb drop (P?=?.60), total blood loss (P?=?.60), transfusion rate (P?=?.99), drain blood loss (P?=?.91), length of hospital stay (P?=?.95), and the incidence of deep venous thrombosis (P?=?.55) and calf muscular vein thrombosis (P?=?.19) between oral and IV TXA. CONCLUSIONS:Compared with the IV TXA, oral TXA has similar effects on reducing the Hb drop, total blood loss, transfusion rate, drain blood loss, and length of hospital stay without increasing the risk of calf muscular vein thrombosis and deep venous thrombosis. Furthermore, oral TXA is easy to access and administer, which decreases the workload of nurses and even delivers cost-saving benefits to the health care system. We thus conclude that oral TXA may be an optimal approach in total joint arthroplasty. However, more high-quality and multicenter RCTs are still needed to confirm our conclusions. REGISTRATION:The current meta-analysis was registered on PROSPERO (International Prospective Register of Systematic Reviews), and the registration number was CRD42018111291.

SUBMITTER: Sun C

PROVIDER: S-EPMC7598783 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Comparison of oral versus intravenous tranexamic acid in total knee and hip arthroplasty: A GRADE analysis and meta-analysis.

Sun Changjiao C Zhang Xiaofei X Chen Lianxu L Deng Jiuzheng J Ma Qi Q Cai Xu X Yang Huadong H

Medicine 20201001 44

<h4>Background</h4>The efficacy and safety of oral tranexamic acid (TXA) remain controversial because of the small number of clinical studies. The aim of the present study was to compare the efficacy and safety of oral TXA with intravenous TXA in patients undergoing total hip arthroplasty and total knee arthroplasty in a systematic review and meta-analysis.<h4>Methods</h4>We conducted a meta-analysis to identify randomized controlled trials (RCTs) involving oral and intravenous TXA in total hip ...[more]

PMID: 33126380

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Project description:OBJECTIVE:This study aimed to compare the effects of intravenous, topical and combined routes of tranexamic acid (TXA) administration on blood loss and transfusion requirements in patients undergoing total knee arthroplasty (TKA) and total hip arthroplasty (THA). DESIGN:This was a meta-analysis of randomised controlled trials (RCT) wherein the weighted mean difference (WMD) and relative risk (RR) were used for data synthesis applied in the random effects model. Stratified analyses based on the surgery type, region, intravenous and topical TXA dose and transfusion protocol were also conducted. The main outcomes included intraoperative and total blood loss volume, transfusion rate, low postoperative haemoglobin (Hb) level and postoperative Hb decline. However, the secondary outcomes included length of hospital stay (LOS) and/or occurrence of venous thromboembolism (VTE). SETTING:We searched the PubMed, Embase and Cochrane CENTRAL databases for RCTs that compared different routes of TXA administration. PARTICIPANTS:Patients undergoing TKA or THA. INTERVENTIONS:Intravenous, topical or combined intravenous and topical TXA. RESULTS:Twenty-six RCTs were selected, and the intravenous route did not differ substantially from the topical route with respect to the total blood loss volume (WMD=30.92, p=0.31), drain blood loss (WMD=-34.53, p=0.50), postoperative Hb levels (WMD=-0.01, p=0.96), Hb decline (WMD=-0.39, p=0.08), LOS (WMD=0.15, p=0.38), transfusion rate (RR=1.08, p=0.75) and VTE occurrence (RR=1.89, p=0.15). Compared with the combined-delivery group, the single-route group had significantly increased total blood loss volume (WMD=198.07, p<0.05), greater Hb decline (WMD=0.56, p<0.05) and higher transfusion rates (RR=2.51, p<0.05). However, no significant difference was noted in the drain blood loss, postoperative Hb levels and VTE events between the two groups. The intravenous and topical routes had comparable efficacy and safety profiles. CONCLUSIONS:The combination of intravenous and topical TXA was relatively more effective in controlling bleeding without increased risk of VTE.

Project description:BackgroundA combined intravenous and intra-articular regimen is one of the most effective administration routes of tranexamic acid (TXA) to reduce perioperative blood loss in unilateral total knee arthroplasty. However, there have been few reports regarding use of the combined regimen for patients undergoing simultaneous bilateral total knee arthroplasty, in which blood-management strategy is more challenging.MethodsWe compared perioperative blood loss in 30 consecutive patients undergoing simultaneous bilateral total knee arthroplasty who received both 1,000 mg of TXA intravenously and 1,000 mg of intra-articular TXA in each knee (combined TXA group) with that in a consecutive series of 51 patients who only received 1,000 mg of TXA intravenously (intravenous TXA group). Additional intravenous TXA was administered 6 hours after the initial administration in both groups. Except for the intraoperative TXA administration regimen, an identical perioperative blood-management strategy was applied to both groups; this consisted of transfusion of 800 or 400 mL of predeposited autologous blood except for patients with a preoperative hemoglobin level of <11.0 g/dL, who received 4 units of allogenic blood. All surgical procedures were performed with spinal anesthesia and without use of a pneumatic tourniquet. Perioperative blood loss was calculated using the blood volume and change in hemoglobin level from the preoperative measurement to postoperative day 3.ResultsThere was significantly less perioperative blood loss in the combined TXA group compared with the intravenous TXA group (mean and standard deviation, 1,201 ± 347 versus 1,638 ± 400 mL, respectively; mean difference, 437 mL; 95% confidence interval, 263 to 613 mL; p < 0.0001). No patient in the combined TXA group and 1 patient (2%) in the intravenous TXA group required additional allogenic blood transfusion. No thrombotic events occurred in either group.ConclusionsIn a nonrandomized comparison, combined intra-articular and intravenous TXA significantly reduced the calculated perioperative blood loss in simultaneous bilateral total knee arthroplasty compared with that found in patients treated only with intravenous TXA.Level of evidenceTherapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.

Dataset Information

Comparison of oral versus intravenous tranexamic acid in total knee and hip arthroplasty: A GRADE analysis and meta-analysis.

Publications

Comparison of oral versus intravenous tranexamic acid in total knee and hip arthroplasty: A GRADE analysis and meta-analysis.

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