EFFICACY OF EXTENDED ORAL TRANEXAMIC ACID ON BLOOD LOSS IN PRIMARY TOTAL KNEE ARTHROPLASTY

Author:

Yuenyongviwat Varah1ORCID,Dissaneewate Kantapon1ORCID,Iamthanaporn Khanin1ORCID,Tuntarattanapong Pakjai1ORCID,Hongnaparak Theerawit1ORCID

Affiliation:

1. Prince of Songkla University, Thailand

Abstract

ABSTRACT Introduction: Tranexamic acid is widely used for patients undergoing total knee arthroplasty (TKA). However, the duration of systemic tranexamic acid (TXA) administration varies in many reports. Hence, this study aims to compare blood loss between a single intravenous (IV) TXA dose, and one dose of IV TXA combined with oral TXA, during 48-hour postoperative care in primary TKA. Methods: Ninety-four patients with primary osteoarthritis, who underwent primary TKA, were randomized into two groups. The first group consisted of 47 patients and received a dose of 750 mg IV TXA and 750 mg oral TXA postoperatively at 8-hour intervals for 48 hours. In the second group, 47 patients received a single dose of IV TXA and a placebo at the same intervals for the same time duration. Hemoglobin (Hb) was measured at 4, 24 and 72 hours after operation. Results: The mean total blood loss were not different between the two groups (p=0.37). There was no difference in total Hb reduction or closed suction drainage outputs (p=0.9 and 0.07, respectively). Conclusion: The extended use of oral TXA for 48-hour postoperative care did not decrease the total blood loss following TKA compared with a single dose of IV TXA. Level Of Evidence I; High quality randomized trial .

Publisher

FapUNIFESP (SciELO)

Subject

Rehabilitation,Physical Therapy, Sports Therapy and Rehabilitation,Orthopedics and Sports Medicine

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