Objective: To investigate the effect of three different methods of tranexamic acid on the hemostatic effect of hip replacement.Methods: From January 2015 to June 2017, 200 patients undergoing total hip arthroplasty in Tongren Hospital of Shanghai were enrolled. The patients were randomly divided into four groups:A, B, C and D, 50 cases in each group.Patients in group A as the controls did not use tranexamic acid. Patients in group B received intravenous drip of 100 ml saline + 0.5 g tranexamic acid immediately after wound closure. Patients in group C were treated with 100 ml of saline + 3 g of tranexamic acid for 5 minutes before suture closure of the wound. Patients in group D were injected with 100 ml saline + 2 g tranexamic acid via the drainage tube after the wound was closed. All patients completely clogged the drainage tube within 4 hours after operation, then completely opened and drained, and the drainage lasted 48 hours after the operation. The postoperative drainage volume, hemoglobin level, total blood loss, coagulation routine, and postoperative complications were compared between the four groups.Results: Compared with group A, the drainage volume and total blood loss after operation in group B, C and D were significantly lower, and the difference was statistically significant (P<0.05). The hemoglobin level of patients at 6 h, 24 h and 72 h after operation was significantly decreased. Compared with A group, the hemoglobin level of three groups of B, C and D was significantly higher at 6 h, 24 h and 72 h after operation, and the level of Hb ingroup D was higher than that in groupB and group C. There was no significant difference in PT, APTT, TT and FIB levels among the four groups after intraoperative comparisons and between groups, and postoperative complication. At 6 months of follow-up, the Harris score in group D was significantly higher than that in group A (P<0.05), while there was no significant difference in the incidence of deep vein thrombosis and pulmonary embolism (P>0.05).Conclusion: Local administration of tranexamic acid has a better hemostatic effect than intravenous infusion does, and the retrograde injection of drainage tube has the best effect. |
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