• Bahadır Balkanlı, Cem Çopuroğlu, and Elif Çopuroğlu.
• Zonguldak Atatürk State Hospital, Department of Orthopedics and Traumatology, Zonguldak, Turkey. Electronic address: balkanlibahadir@gmail.com.
• Injury. 2020 Dec 1; 51 (12): 2840-2845.

BackgroundTranexamic acid (TXA) is an antifibrinolytic agent. It has long been used to reduce the need for perioperative blood loss in various surgeries. Few studies have investigated the effects of local and intravenous administration of TXA on fracture healing. Thus, we aimed to evaluate if TXA influences hematoma volume and fracture healing in the rat tibia fracture model.Materials And MethodsA tibia fracture with intramedullary Kirschner wire fixation was created in all animals. Rats were randomly divided into three groups as local TXA, intravenous TXA, and control. A dose of 50 mg/kg local and intravenous TXA was administered to the study groups. Hematoma volume was measured on the first and third days of the study. The animals were sacrificed on the 14th and 21st days for radiological and histopathological examinations.ResultsThere was no significant difference between the groups in terms of hematoma volume measured on Day 1 and the mean decrease of hematoma volume from Day 1 to Day 3 (p = 0.158 and p = 0.239, respectively). The total radiological scores of Day 14 and Day 21 were similar in all groups (p > 0.05 for all). There was also no significant difference between the histological staging of the fracture repair on Day 14 and Day 21 for all groups (p > 0.05 for all).ConclusionOur findings suggest that TXA's local and intravenous application makes no significant difference in fracture healing.Copyright © 2020 Elsevier Ltd. All rights reserved.

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