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Randomized Controlled Trial
. 2018 Jul 1;43(13):E734-E739.
doi: 10.1097/BRS.0000000000002491.

Tranexamic Acid Decreases Visible and Hidden Blood Loss Without Affecting Prethrombotic State Molecular Markers in Transforaminal Thoracic Interbody Fusion for Treatment of Thoracolumbar Fracture-Dislocation

Wentao Wang  1   2 , Kun Duan  3 , Minjie Ma  2 , Yong Jiang  2 , Tuanjiang Liu  2 , Jijun Liu  2 , Dingjun Hao  1   2
Affiliations
Randomized Controlled Trial

Tranexamic Acid Decreases Visible and Hidden Blood Loss Without Affecting Prethrombotic State Molecular Markers in Transforaminal Thoracic Interbody Fusion for Treatment of Thoracolumbar Fracture-Dislocation

Wentao Wang et al. Spine (Phila Pa 1976). .

Abstract

Study design: A randomized, double-blind, placebo-controlled clinical trial.

Objective: To evaluate the efficacy and safety of tranexamic acid (TXA) administered during the surgical correction of thoracolumbar fracture-dislocation.

Summary of background data: Thoracolumbar fracture-dislocation surgery is generally associated with substantial blood loss and a high risk of deep vein thrombosis. TXA has been shown to improve hemostasis in surgical procedures.

Methods: We investigated 80 patients with thoracolumbar fracture-dislocation who underwent transforaminal thoracic interbody fusion between March 2014 and December 2016. The patients were randomized into the TXA (n = 39) and Placebo (n = 41) groups, according to whether they did or did not receive pre- and intraoperative TXA treatment. The two groups were compared for demographic characteristics as well as pre- and postoperative levels of prethrombosis-state molecular markers and visible and hidden blood loss volumes. Additionally, the prevalence of TXA-related complications was determined.

Results: The two groups did not differ significantly in demographic characteristics. The visible blood loss (intra- and postoperative bleeding during the first 24 h), hidden blood loss, and true total blood loss during surgery in the TXA group were significantly lower than those in the Placebo group (835 ± 180.3 mL, 351 ± 82.3 mL, 1385 ± 102.3 mL vs. 1155 ± 175.3 mL, 564 ± 170.5 mL, 1683 ± 121.0 mL, respectively; P < 0.01). Furthermore, the levels of the prethrombosis-state molecular markers GMP-140, fibrinogen, fibrin degradation products, and D-dimer were higher in the TXA group than in the Placebo group, although the differences were not significant (P > 0.05). No significant intergroup differences were noted in the prevalence of deep venous thrombosis and pulmonary embolus during the study period.

Conclusion: TXA significantly reduced visible and hidden blood loss without affecting the prethrombosis-state molecular markers in transforaminal thoracic interbody fusion or causing any notable adverse effects.

Level of evidence: 3.

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References

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    1. Choi HY, Hyun SJ, Kim KJ, et al. Effectiveness and safety of tranexamic acid in spinal deformity surgery. J Korean Neurosurg Soc 2017; 60:75–81.

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