• Yuan-Gang Wu, Yi Zeng, Bin Shen, Hai-Bo Si, Fei Cao, Ti-Min Yang, and Fu-Xing Pei.
• Department of Orthopaedic Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu - China.
• Hip Int. 2016 Jul 25; 26 (4): 331-7.

IntroductionThis study aimed to evaluate whether the combination of erythropoietin (EPO) and tranexamic acid (TXA) exerted any additional benefits on the number of blood transfusions required and haematological parameters compared with TXA alone following primary bilateral simultaneous total hip arthroplasty.Materials And MethodsWe conducted a single-centre, prospective, randomised, and controlled trial at our hospital. Group EPO + TXA (n = 30) received daily subcutaneous injections EPO (10,000 IU) on preoperative days 1-4 and postoperative days 1-3. Additionally, these patients were administered TXA (15 mg/kg) 10 min prior to the incision. Group TXA (n = 32) received only TXA (15 mg/kg) 10 min prior to the incision. The primary outcomes were the haematological parameters and number of blood transfusions required. The secondary outcomes were total blood loss, drainage volume, and postoperative complications.ResultsThe total amount of blood transfusion and mean blood transfusion per patient was lower in group EPO + TXA than in group TXA (p = 0.039, p = 0.023; respectively). In the postoperative period, patients in group EPO + TXA had higher haematological parameters (haemoglobin, haematocrit, and reticulocyte count) than patients in group TXA. No significant differences were found in total blood loss, drainage volume, and DVT or PE between the 2 groups.ConclusionsThis study showed that administrating EPO + TXA in combination can increase haematological parameters and reduce the need for blood transfusion without increasing the risk of DVT or PE compared with TXA alone.

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