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Multicenter Study
. 2021 Mar;141(3):489-496.
doi: 10.1007/s00402-020-03709-8. Epub 2021 Jan 1.

Is there a role of tranexamic acid in rheumatoid arthritis with total knee arthroplasty? Findings from a multicenter prospective cohort study in China

Yiting Lei  1   2 , Jinwei Xie  2 , Qiang Huang  2 , Wei Huang #  3 , Fuxing Pei #  4
Affiliations
Multicenter Study

Is there a role of tranexamic acid in rheumatoid arthritis with total knee arthroplasty? Findings from a multicenter prospective cohort study in China

Yiting Lei et al. Arch Orthop Trauma Surg. 2021 Mar.

Abstract

Background: Tranexamic acid (TXA) has proven to be effective in reducing the blood loss associated with total knee arthroplasty (TKA) in patients with osteoarthritis. However, there still exists a paucity of evidence regarding the effectiveness of intravenous TXA in patients with rheumatoid arthritis. The aim of this study was to explore the efficacy and safety of intravenous TXA on blood loss after TKA in Chinese patients with rheumatoid arthritis.

Materials and methods: A total of 405 patients with rheumatoid arthritis who had undergone TKA were categorized into two groups based on the protocol of TXA use. TXA group (n = 248): patients received 15 mg/kg TXA prior to operation. Control group (n = 157): patients received no TXA. The outcome measurements such as, total blood loss (TBL), intraoperative blood loss (IBL), hidden blood loss (HBL), transfusion, drainage, the timing of first ambulation, the length of stay (LOS), total hospitalization costs, the results of 12-Item Short Form Survey (SF-12), the incidence of thromboembolic events and other complications were recorded and compared.

Results: The mean TBL, IBL, HBL, volume of transfusion and drainage were significantly lower in TXA group than in Control group. The rate of transfusion was significantly lower in TXA group than in Control group. There was a favorable effect in early ambulation for patients in TXA group, compared with patients in Control group. In addition, TXA group had shorter LOS, lower hospitalization costs and higher postoperative SF-12 score than Control group. The incidence of deep venous thrombosis and other complications did not differ between the two groups.

Conclusion: TXA can effectively diminish blood loss, reduce transfusion, shorten LOS and decrease hospitalization costs after TKA in Chinese patients with rheumatoid arthritis, without increasing the risk of complications.

Keywords: Blood loss; Rheumatoid arthritis; Total knee arthroplasty; Tranexamic acid; Transfusions.

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References

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