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Effectiveness of tranexamic acid on intra- and postoperative bleeding in Bimaxillary osteotomies: a retrospective
Ayako Mizutani1, Takuro Sanuki1, Kanta Kido2
1Department of Dental Anesthesiology, Kanagawa Dental University, Yokosuka, Kanagawa, Japan.
Purpose:
Perioperative bleeding is a serious concern during orthognathic surgery. Tranexamic acid (TXA), a synthetic lysine analog with antifibrinolytic properties, reduces blood loss across various surgical fields. This study aimed to investigate the effectiveness of preoperative TXA administration in reducing intraoperative and postoperative blood loss following combined Le Fort I and sagittal split ramus osteotomies at our hospital.
Methods:
This single-center, retrospective cohort study included patients who underwent combined Le Fort I and sagittal split ramus osteotomies between November 2017 and October 2022. The primary outcome was the volume of intraoperative blood loss.
Results:
Among 1,329 eligible patients, 87 were included in the analysis (32 in the TXA group and 55 in the control group, where no TXA was administered). The median (interquartile range) intraoperative blood loss was 200.0 (157.5-237.5) mL in the TXA group and 260.0 (180.0-350.0) mL in the control group, showing a significant difference between the groups (p = 0.0365). However, postoperative blood drainage within 24 h and 24-48 h did not differ significantly between the two groups.
Conclusion:
A single intravenous administration of TXA was associated with a decrease in intraoperative bleeding without severe adverse events during combined Le Fort I and sagittal split ramus osteotomies. However, postoperative blood loss, nausea, vomiting, and autologous blood transfusion were not significantly associated with this administration.
