The Effect of Tranexamic Acid on Artificial Joint Materials: a Biomechanical Study (the BioTRANX Study)
Overview
Orthopedics
Affiliations
Background: Tranexamic acid (TXA) has been successfully used to reduce bleeding in joint replacement. Recently local TXA has been advocated to reduce blood loss in total knee or hip replacement; however, this raised concerns about potential adverse effects of TXA upon the artificial joint replacement.
Materials And Methods: In this biomechanical study we compared the effects of TXA and saline upon the following biomechanical properties of artificial joint materials-(1) tensile properties (ultimate strength, stiffness and Young's modulus), (2) the wear rate using a multi-directional pin-on-plate machine, and (3) the surface topography of pins and plates before and after wear rate testing.
Results: There were no significant differences in tensile strength, wear rates or surface topography of either ultra-high-molecular-weight polyethylene pins or cobalt chromium molybdenum metal plates between specimens soaked in TXA and specimens soaked in saline.
Conclusion: Biomechanical testing shows that there are no biomechanical adverse affects on the properties of common artificial joint materials from using topical TXA.
Level Of Evidence: V.
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