Abstract
Introduction
The use of tranexamic acid (TXA) in hip fracture surgery remains inconclusive. The aim of the present meta-analysis was to assess the role of TXA use in hip fracture surgery, and attempt to disclose possible factors which might influence TXA efficacy and safety.
Materials and methods
A systematic computerized literature search was conducted to retrieve all randomized controlled trials (RCTs) and cohort studies regarding TXA use in hip fracture surgery. Overall efficacy and safety were evaluated. Then, subgroup and meta-regression analyses were conducted to disclose the influence of geographic area, fracture type, administration route, frequency and dosage of TXA, blood transfusion threshold, and follow-up duration on the overall effect.
Results
Thirty-four RCTs and 11 cohort studies were included. Patients receiving TXA had a significant decrease in the need for blood transfusion, reduced total, intra-operative and post-operative blood loss, a decrease in pre- and postoperative hemoglobin difference, without increasing thromboembolic events risk. Subgroup analysis showed that topical TXA had a lower transfusion rate compared with controls, yet the result did not reach statistical significance. Also, TXA had similar efficacy and safety profiles in patients with different frequency and dosage of TXA.
Conclusion
Current evidence indicated that intravenous administration of TXA could significantly reduce blood transfusion and blood loss without increasing risk of thromboembolic events. The frequency and dosage of TXA might not alter the beneficial effect. The application of topical TXA should be cautious.
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Liu, W., Deng, S. & Liang, J. Tranexamic acid usage in hip fracture surgery: a meta-analysis and meta-regression analysis of current practice. Arch Orthop Trauma Surg 142, 2769–2789 (2022). https://doi.org/10.1007/s00402-021-04231-1
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DOI: https://doi.org/10.1007/s00402-021-04231-1