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Durham University

Department of Engineering

Staff Profile

Publication details for Professor Jun Jie Wu

Alshryda, S., Mason, J.M., Sarda, P., Lou, T., Stanley, M., Wu, J.J. & Unsworth, A. (2015). The effect of tranexamic acid on artificial joint materials a biomechanical study (the bioTRANX study). Journal of orthopaedics and traumatology 16(1): 27-34.

Author(s) from Durham

Abstract

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