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Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_5 | Pages 82 - 82
1 Mar 2017
Perreault R Mattingly D Bell CF Talmo C
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Background

Intraoperative blood loss is a known potential complication of total knee arthroplasty (TKA). Tranexamic acid (TXA) has been shown to reduce intraoperative blood loss and postoperative transfusion in patients undergoing TKA. While there are numerous studies demonstrating the efficacy of intravenous and topical TXA in patients undergoing TKA, there are comparatively few demonstrating the effectiveness and appropriate dosing recommendations of oral formulations.

Methods

A retrospective cohort study of 2230 TKA procedures at a single institution identified 3 treatment cohorts: patients undergoing TKA without the use of TXA (no-OTA, n=968), patients undergoing TKA with administration of a single-dose of oral TXA (single-dose OTA, n=164), and patients undergoing TKR with administration of preoperative and postoperative oral TXA (two-dose OTA, n=1098). The primary outcome was transfusion rate. Secondary outcomes included maximum postoperative decline in hemoglobin, number of blood units transfused, length of hospital stay, total drain output, cell salvage volume, and operating room time