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The Efficacy of Tranexamic Acid for the Treatment of Traumatic Hip Fractures: A Network Meta-Analysis
David A Bloom1, Charles C Lin2, Joseph E Manzi3
1SUNY Upstate Medical Center, Syracuse, NY.
Objectives:
To compare the efficacy of different dosages of intravenous (IV) tranexamic acid (TXA) in the treatment of traumatic hip fractures against that of the control group of no TXA.
Data Sources:
This study used the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines to perform a network meta-analysis on the use of TXA for the treatment of hip fractures. The study team used Ovid MEDLINE, Cochrane Reviews, Scopus, Embase, and Web of Science databases to perform the search. Studies that were published in English between the years 2010 and 2020 were selected.
Study Selection/Data Extraction:
For inclusion in this study, selected articles were required to be randomized controlled trials with at least 1 control group that had no antifibrinolytic intervention to serve as a control, and IV formulations of TXA were used as part of the treatment group. Furthermore, all study participants must have undergone surgical intervention for traumatic hip fractures. Studies that did not immediately meet criteria for inclusion were saved for a review by the full investigating team and were included based on consensus.
Data Synthesis:
All statistical analyses conducted for this study were performed using R software (R Foundation for Statistical Computing, Vienna, Austria). Network meta-analyses were conducted with a frequentist approach with a random-effects model using the netmeta package version 0.9-6 in R. The frequentist equivalent to surface under the cumulative ranking probabilities, termed " P score," was used to rank different treatments.
Conclusion:
The use of TXA in the surgical management of traumatic hip fractures reduces the number of transfusions and perioperative blood loss, with minimal to no increased incidence of thrombotic events when compared with those in controls. When comparing formulations, no route of administration is clearly superior in reducing perioperative blood loss.
Level Of Evidence:
Therapeutic Level I. See Instructions for Authors for a complete description of levels of evidence.
