• Wolf Petersen, Mats Bentzin, Sebastian Bierke, Hi Un Park, and Martin Häner.
• Klinik Für Orthopädie Und Unfallchirurgie, Martin Luther Hospital, Caspar-Theyß-Straße 27-31, Grunewald, 14193, Berlin, Germany. wolf.petersen@jsd.de.
• Arch Orthop Trauma Surg. 2022 Sep 1; 142 (9): 228722932287-2293.

PurposeAim of this study was to evaluate the effect of tranexamic acid (TXA) on the outcome after medial open wedge osteotomy.Material And MethodsA prospective non-randomized comparative study with 52 patients has been performed. In both treatment groups, the same surgical technique for the medial open wedge HTO was used. In group 1 (N: 26) the patients received 1 g TXA i.v. preoperatively, in group 2 (N: 26) no TXA was given. Primary outcome measure was the decrease in hemoglobin concentration. Secondary outcome criteria were postoperative pain, intraarticular effusion (measured by ultrasound), range of motion (ROM) at discharge, peri- and postoperative complications and the KOOS PS (pre- and postoperatively at 1 year follow up).ResultsHemoglobin decrease was significantly less in the TXA group compared to the non TXA group. Postoperative pain and intraarticular effusion was also significantly lower and ROM at discharge was higher in the TXA group. There was no group difference in peri- and postoperative complications and the pre- and postoperatively KOOS PS.ConclusionsThe results of the present study show the systemic application of 1 g TXA reduces hemoglobin drop and postoperative morbidity (pain, intraarticular effusion, and ROM) after tibial open wedge HTO.© 2021. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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