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논문 기본 정보

자료유형
학술저널
저자정보
Li Moses Man-Lung (Department of Orthopaedics and Traumatology Prince of Wales Hospital Shatin Hong Kong) 이선경 (우석대학교)
저널정보
대한슬관절학회 Knee Surgery and Related Research Knee Surgery and Related Research 제32권
발행연도
2020.1
수록면
62 - 62 (1page)

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Total knee arthroplasty (TKA) is associated with significant perioperative blood loss and postoperative allogenic blood transfusion. Tranexamic acid (TXA) reversibly blocks lysine binding sites on plasminogen molecules and inhibits plasmin formation. Comparisons of the efficacy and safety of intra-articular and intravenous TXA in primary TKA have not previously been reported.A prospective randomized trial was conducted in 150 patients who underwent TKA, and these patients were randomized into three groups. Patients in Group A were injected by intra-articular TXA according to body weight (20?mg/kg). Patients in Group B received a standard dose of intra-articular TXA (2000?mg), and those in Group C were infused with TXA according to body weight (20?mg/kg) before tourniquet deflation and again 3 h later. Baseline characteristics and data collected at blood transfusion were compared. Differences among four time points (baseline, day 0, day 2, and day 5) were carried out using ANOVA. The hemoglobin levels at postoperative day 5 were 10.6?g/dL for Group A, 10.6?g/dL for Group B, and 10.7?g/dL for Group C. The drain output was 399?ml for Group A, 314?ml for Group B, and 305?ml for Group C ( p =?0.03). Group C had significantly less drain output than Group A after post hoc comparisons ( p =?0.05), whereas no significant difference was observed between Group A and B ( p =?0.09) or between Group B and C. The weight-adjusted dose of TXA administered intravenously significantly reduced the drain output but not the total blood loss when compared with the weight-adjusted dose of TXA administered intra-articularly. No significant difference was observed in the other parameters among the three groups. The Joint CUHK-NTEC CREC, CRE-2013.644-T . Registered 1 March 2014.

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