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. 2016 Sep;28(3):188-93.
doi: 10.5792/ksrr.2016.28.3.188. Epub 2016 Aug 25.

Effect of Tranexamic Acid on Blood Loss and Blood Transfusion Reduction after Total Knee Arthroplasty

Young-Jun Seol  1 , Jong-Keun Seon  1 , Seung-Hun Lee  1 , Cheng Jin  1 , Jatin Prakash  2 , Yong-Jin Park  1 , Eun-Kyoo Song  1
Affiliations

Effect of Tranexamic Acid on Blood Loss and Blood Transfusion Reduction after Total Knee Arthroplasty

Young-Jun Seol et al. Knee Surg Relat Res. 2016 Sep.

Abstract

Purpose: Total knee arthroplasty (TKA) accompanies the risk of bleeding and need for transfusion. There are several methods to reduce postoperative blood loss and blood transfusion. One such method is using tranexamic acid during TKA. The purpose of this study was to confirm whether tranexamic acid reduces postoperative blood loss and blood transfusion after TKA.

Materials and methods: A total of 100 TKA patients were included in the study. The tranexamic acid group consisted of 50 patients who received an intravenous injection of tranexamic acid. The control included 50 patients who received a placebo injection. The amounts of drainage, postoperative hemoglobin, and transfusion were compared between the groups.

Results: The mean amount of drainage was lower in the tranexamic acid group (580.6±355.0 mL) than the control group (886.0±375.5 mL). There was a reduction in the transfusion rate in the tranexamic acid group (48%) compared with the control group (64%). The hemoglobin level was higher in the tranexamic acid group than in the control group at 24 hours postoperatively. The mean units of transfusion were smaller in the tranexamic acid group (0.76 units) than in the control group (1.28 units).

Conclusions: Our data suggest that intravenous injection of tranexamic acid decreases the total blood loss and transfusion after TKA.

Keywords: Arthroplasty; Blood loss; Knee; Transexamic acid; Transfusion.

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Conflict of interest statement

No potential conflict of interest relevant to this article was reported.

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