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Administering Tranexamic Acid Reduces Blood Loss After Knee Replacement

by Dr. Trupti Shirole on  May 22, 2016 at 9:35 AM Drug News   - G J E 4
Total knee replacement (TKR) is a major orthopedic operation. It involves significant blood loss because of extensive soft tissue release and bone cuts. A new study appearing in the Journal of Bone and Joint Surgery revealed that administering tranexamic acid (TXA) both intravenously (IV) and injected at the surgical site (intra-articular administration, or IA) reduced blood loss by 37%, compared to IV alone, following TKR.
 Administering Tranexamic Acid Reduces Blood Loss After Knee Replacement
Administering Tranexamic Acid Reduces Blood Loss After Knee Replacement
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Administering TXA through IV or IA has been shown to reduce blood loss in several studies; however, researchers had yet to investigate the impact of combining the delivery methods. In this study out of Denmark, 60 patients scheduled for TKR were randomly assigned to receive either TXA IV alone, or TXA IV and an IA dose. The TXA IV was administered at the same time as anesthesia, and the TXA IA, just prior to closing the surgical site.

‘Administering tranexamic acid both intravenously (IV) and injected at the surgical site reduced blood loss by 37%, compared to IV alone, following total knee replacement.’
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The patient group receiving TXA IV and IA had a 37% greater reduction in blood loss at 24 and 48 hours post-surgery, compared to the patients who received TXA IV only. No thromboembolic complications were observed in any of the patients within 90 days postoperatively. One patient in the IV-only group required a postoperative blood transfusion.

"The clinically relevant reduction in blood loss was achieved simply, cost-effectively, and without compromising safety, potentially reducing the negative effects of blood loss on early functional recovery, the number of blood transfusions and related costs," said study author Henrik Husted, associate professor and head of orthopedics at Copenhagen University Hospital Hvidore in Copenhagen, Denmark.

Source: Eurekalert
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