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. 2017 Oct 6;4(1):85-88.
doi: 10.1016/j.artd.2017.08.004. eCollection 2018 Mar.

A prospective, randomized, comparative study of intravenous alone and combined intravenous and intraarticular administration of tranexamic acid in primary total knee replacement

Paolo Adravanti  1 , Eleonora Di Salvo  2 , Giuseppe Calafiore  1 , Sebastiano Vasta  3 , Aldo Ampollini  1 , Michele Attilio Rosa  2
Affiliations

A prospective, randomized, comparative study of intravenous alone and combined intravenous and intraarticular administration of tranexamic acid in primary total knee replacement

Paolo Adravanti et al. Arthroplast Today. .

Abstract

Background: Studies on the use of tranexamic acid (TXA) to improve clinical outcomes after joint arthroplasty have reported contrasting results between intravenous (IV) TXA alone and combined IV and intraarticular (IA) administration. We compared the effectiveness of the 2 methods in providing higher postoperative hemoglobin (Hb) levels in patients undergoing primary total knee arthroplasty (TKA).

Methods: A total of 100 TKA patients were randomly assigned to receive either IV TXA alone (group 1) or combined IV and topical IA TXA (group 2). Hb and hematocrit levels were measured before and after surgery. The amount of drained blood and transfused blood for the 2 groups was compared.

Results: The Hb level was significantly higher at postoperative day 4, together with a positive, albeit not significant, trend toward less postoperative blood loss in the group that received combined IV and IA TXA. No postoperative infections or deep venous thrombosis events occurred.

Conclusions: This study reinforces evidence that, as compared to IV TXA alone, combined IV and IA administration of TXA has a synergic effect, leading to higher postoperative Hb levels without influencing drug safety in TKA patients.

Keywords: Intraarticular; Intravenous; Postoperative blood loss; Postoperative hemoglobin; Total knee arthroplasty; Tranexamic acid.

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