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Oral tranexamic acid is equivalent to topical tranexamic acid without drainage in primary total hip arthroplasty: A double-blind randomized clinical trial.
Thrombosis Research 2018 May 2
PURPOSE: To compare the efficacy of multiple doses of oral tranexamic acid (TXA) with topical TXA administration in reducing blood loss following total hip arthroplasty (THA).
PATIENTS AND METHODS: In this double-blinded trial, 117 patients undergoing primary THA were randomized to receive 2 g TXA orally 2 h preoperatively, and two doses of 1 g TXA postoperatively (oral group) or 3 g of TXA topical administration in the operating room (topical group). The primary outcome was a reduction in hemoglobin concentration. Other outcomes-such as blood loss, TXA-related cost (¥), length of hospital stay (days), complications such as pulmonary thromboembolism (PE), deep vein thrombosis (DVT), and infection, blood coagulation and fibrinolysis, and hip function-were recorded.
RESULTS: The mean reduction in hemoglobin level was similar between the oral and topical groups (3.07 g/dL compared with 3.12 g/dL; p = 0.85). Similarly, there was no significant difference in the mean total blood loss between oral and topical administration (863 mL compared with 902 mL; p = 0.62). Three patients received an allogeneic blood transfusion, including one patient in the oral group and two patients in the topical group (p = 0.55). The oral group had a significantly lower TXA-related cost than the topical group: ¥944 and ¥4359, respectively (p = 0.01). No PE, DVT, cardiac infarction or renal failure occurred during the 90-day follow-up. The coagulation and fibrinolysis parameters were similar between the two groups.
CONCLUSION: Oral TXA is equivalent to topical TXA administration in the reduction of blood loss in the setting of primary THA without drainage.
PATIENTS AND METHODS: In this double-blinded trial, 117 patients undergoing primary THA were randomized to receive 2 g TXA orally 2 h preoperatively, and two doses of 1 g TXA postoperatively (oral group) or 3 g of TXA topical administration in the operating room (topical group). The primary outcome was a reduction in hemoglobin concentration. Other outcomes-such as blood loss, TXA-related cost (¥), length of hospital stay (days), complications such as pulmonary thromboembolism (PE), deep vein thrombosis (DVT), and infection, blood coagulation and fibrinolysis, and hip function-were recorded.
RESULTS: The mean reduction in hemoglobin level was similar between the oral and topical groups (3.07 g/dL compared with 3.12 g/dL; p = 0.85). Similarly, there was no significant difference in the mean total blood loss between oral and topical administration (863 mL compared with 902 mL; p = 0.62). Three patients received an allogeneic blood transfusion, including one patient in the oral group and two patients in the topical group (p = 0.55). The oral group had a significantly lower TXA-related cost than the topical group: ¥944 and ¥4359, respectively (p = 0.01). No PE, DVT, cardiac infarction or renal failure occurred during the 90-day follow-up. The coagulation and fibrinolysis parameters were similar between the two groups.
CONCLUSION: Oral TXA is equivalent to topical TXA administration in the reduction of blood loss in the setting of primary THA without drainage.
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