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Randomized Controlled Trial
Weighted versus uniform dose of tranexamic acid in patients undergoing primary, elective knee arthroplasty: a prospective randomized controlled trial.
- Brett R Levine, Bryan D Haughom, Mark N Belkin, and Zach H Goldstein.
- Rush University Medical Center, Chicago, Illinois.
- J Arthroplasty. 2014 Sep 1; 29 (9 Suppl): 186-8.
AbstractIn a prospective, randomized, double-blinded, controlled study (25 controls), TA was infused parenterally before tourniquet release in two study groups. Group 1 (n = 20) received a 1 g dose, and group 2 (n = 20) received a 20 mg/kg dose. There was no significant difference between groups 1 and 2 with intra-operative, post-operative and total blood loss. Both groups 1 and 2 exhibited significant improvements in intra-operative, post-operative, and total blood loss compared to the control group (P < 0.05). Two blood transfusions were given to one patient in the weighted group, compared to 19 transfusions (10 patients) in the control group. This study suggests that a single 1-g dose can be used with the same efficacy as a weighted 20 mg/kg dose.Copyright © 2014 Elsevier Inc. All rights reserved.
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