Affiliation:
1. Department of Orthopedics Surgery, West China Hospital, Sichuan University, Chengdu, People's Republic of China
Abstract
Abstract
Purpose This article assessed the efficacy and safety of different doses of intravenous tranexamic acid (TXA) in revision total knee arthroplasty (TKA).
Methods We retrospectively identified 122 patients in our institution who underwent revision TKA with a history of perioperative intravenous TXA utilization. According to the sum of intravenous TXA documented, all patients were divided into three groups: 1 g intravenous TXA, 2 g intravenous TXA, and equal or greater than 3 g intravenous TXA. The primary outcomes included total blood loss (TBL), hidden blood loss (HBL), transfusion rate, and the incidence of symptomatic venous thromboembolism among the three groups. A correlation analysis was conducted to analyze the correlation between the dose of TXA and the blood loss.
Results In total, there was no significance difference in TBL and revised HBL (rHBL) between the first two groups (1 g/dL for intravenous TXA, 2 g/dL for intravenous TXA; p = 0.486; p = 0.525). Equal or greater than 3 g intravenous TXA (≥3 g/dL for intravenous TXA) reached a significant reduction in TBL, rHBL, and length of stay compared with the first two groups (p = 0.01; p = 0.01; p = 0.01). The rate of transfusion between the three groups did not differ significantly (p = 0.21). Due to the limitations in sample size, only one symptomatic venous thromboembolism was reported in the 1 g intravenous TXA group.
Conclusion Applying the dose of intravenous TXA equal or greater than 3 g in revision TKA might further reduce the blood loss and shorten the length of stay.
Funder
1.3.5 Project of Sichuan University West China Hospital
Subject
Orthopedics and Sports Medicine,Surgery
Cited by
3 articles.
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