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Intravenous tranexamic acid use in revision total joint arthroplasty: a meta-analysis

Authors Kuo FC, Lin PY, Wang JW, Lin PC, Lee MS, Chen AF

Received 26 May 2018

Accepted for publication 26 July 2018

Published 24 September 2018 Volume 2018:12 Pages 3163—3170


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Tuo Deng

Feng-Chih Kuo,1 Pao-Yen Lin,2 Jun-Wen Wang,1 Po-Chun Lin,1 Mel S Lee,1 Antonia F Chen3

1Department of Orthopaedic Surgery, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung, Taiwan; 2Department of Psychiatry, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung, Taiwan; 3Department of Orthopaedic Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA

Purpose: Massive perioperative blood loss in complex revision total joint arthroplasty (TJA) often requires blood transfusions. Tranexamic acid (TXA) has been used in elective primary TJA to minimize blood loss and transfusions. The purpose of this meta-analysis was to evaluate the safety and efficacy of intravenous TXA in revision TJA.
Methods: A literature search of PubMed, Scopus, and the Cochrane Controlled Trials Register was performed to identify studies published between January 2000 and May 2017. All randomized controlled trials (RCTs) and retrospective cohort observational studies evaluating the efficacy of intravenous TXA during revision total knee arthroplasty (TKA) and total hip arthroplasty (THA) were included. The mean differences (MDs) of blood loss, hemoglobin (Hb) change, and red blood cell (RBC) units transfused were compiled, and ORs of transfusion and venous thromboembolism (VTE) events in TXA and control groups were calculated.
Results: Seven studies involving 930 patients were included (501 TXA vs 429 control). Intravenous TXA use had a significantly less blood transfusion (OR=0.20, 95% CI=0.11–0.34, P<0.001), lower Hb drop (MD=-0.88, 95% CI=-1.31 to -0.44, P<0.001), and less number of RBC units transfused (MD=-0.44, 95% CI=-0.65 to -0.24, P<0.001) compared to control in the postoperative period. No significant difference was seen in blood loss (MD=-245, 95% CI=-556 to 66, P=0.12) and VTE events (OR=0.57, 95% CI=0.13–2.42, P=0.45) between groups.
Conclusion: Our meta-analysis suggests that intravenous administration of TXA can significantly reduce blood transfusion requirements following revision TJA, without increasing the risk of VTE. However, due to the variation in included studies, larger RCTs are required to draw firm conclusions.

tranexamic acid, revision arthroplasty, transfusion, venous thromboembolism, meta-analysis
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