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The Effectiveness of Tranexamic Acid at Reducing Blood Loss and Transfusion Requirement for Women Undergoing Myomectomy: A Systematic Review and Meta-analysis

Laura Fusca, Iris Perelman, Dean Fergusson, Mish Boutet, Innie Chen
Journal of Obstetrics and Gynaecology Canada: JOGC 2018 October 29
30385210

BACKGROUND: The surgical removal of fibroids can be associated with excessive blood loss requiring transfusion.

OBJECTIVE: This review sought to determine the effectiveness of tranexamic acid (TA) in reducing perioperative blood loss in women undergoing myomectomy.

METHODS: Electronic bibliographic databases were searched from inception until June 3, 2017. The review included RCTs of women of reproductive age with uterine fibroids who were undergoing myomectomy and who received TA or a comparator. Two independent reviewers extracted relevant data, and meta-analysis was performed.

RESULTS: Three studies included women undergoing abdominal myomectomy. TA significantly reduced intraoperative blood loss by a mean difference of 213.1 mL (95% CI -242.4 to -183.7) and postoperative blood loss by a mean difference of 56.3 mL (95% CI -67.8 to -44.8) compared with control arms. However, no significant differences were seen in blood transfusion requirement (relative risk 0.58; 95% CI 0.33-1.00). In one study for women undergoing hysteroscopic myomectomy, TA was not associated with improved outcomes in transfusion requirement and resulted in reduced postoperative hemoglobin levels compared with oxytocin.

CONCLUSION: Among women undergoing abdominal myomectomy, TA is effective at reducing perioperative blood loss compared with no treatment or placebo. For women undergoing hysteroscopic myomectomy, TA compared with oxytocin is not associated with improved outcomes in transfusion requirement and resulted in reduced postoperative hemoglobin levels.

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