Background: This work aimed to evaluate the efficacy and safety of routine tranexamic acid (TXA) use in elective orthopaedic lower limb joint replacement surgery.

Methods: This retrospective cohort study included all primary hip or knee replacement procedures by a single surgeon over a 6-year period. TXA was introduced during the study period as part of an enhanced recovery after surgery strategy.

Results: Of the 673 procedures, 446 cases (66.3%) received TXA. The median length of stay was 5 days (2-69) and 6 days (3-28) for the TXA and control groups, respectively ( < .001). Blood transfusion was required for 28 (6.3%) of the TXA cases versus 40 (17.6%) controls ( < .001). Complication rates were similar irrespective of TXA status. At multivariate analysis, TXA was significantly and independently associated with fewer blood transfusions (hazard ratio 0.309, 95% confidence interval: 0.168-0.568,  < .001), with a number needed to treat of 9 cases. TXA use was estimated to save between £67.89 and £155.90 per case.

Conclusions: Routine prophylactic TXA administration for elective primary hip and knee replacement reduces the likelihood of postoperative transfusion with a number needed to treat of 9. Cost savings may be as high as £155.90 per case, and no safety concerns were noted.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6123173PMC
http://dx.doi.org/10.1016/j.artd.2017.12.001DOI Listing

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