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A Retrospective Comparative Analysis on the Effect of Tranexamic Acid to Reduce Perioperative Blood Loss in Patients
Adam J Money1, Guillaume Dumont2, Sean Sheppard3
1Department of Orthopaedic Surgery, Prisma Health Orthopaedics, Columbia, SC.
Study Design:
Retrospective Cohort Study.
Objective:
The purpose of this study is to assess the impact of intravenous TXA on blood loss outcomes in anterior, posterior, and combined approaches for elective cervical spine surgery.
Summary Of Background Data:
Tranexamic acid (TXA) has been shown to reduce blood loss in a variety of operations, such as lumbar spine surgery. However, limited studies have evaluated the efficacy of TXA in cervical spine surgery.
Methods:
We performed a retrospective review of a single surgeon's elective cervical spine operations between September 2011 and March 2017. Patients were divided into 3 groups: anterior approach, posterior approach, or combined approach. Patients were then further subdivided into TXA versus control groups based on whether they received TXA treatment. We performed multiple linear regressions to assess the relationship between the use of TXA and other dependent variables (number of vertebral levels treated, need for a vertebral corpectomy) on total perioperative blood loss, intraoperative estimated blood loss, postoperative drain output, total operative time, postoperative change in hemoglobin, and occurrence of transfusion and/or postoperative deep venous thrombus (DVT).
Results:
We found that the use of TXA statistically significantly reduced total perioperative blood loss ( P =0.04) and postoperative drain output ( P =0.004) in posterior surgical approach cervical spine surgery but did not statistically significantly impact any blood loss variables in anterior or combined surgical approaches to elective cervical spine surgery. The use of TXA was a significant predictor for a decrease in intraoperative ( P =0.02) and postoperative ( P <0.01) blood loss.
Conclusions:
This study found that TXA statistically significantly decreased total blood loss and postoperative drain output when controlling for multiple confounding factors.
Level Of Evidence:
Level III.
