The Use of Intravenous Tranexamic Acid in Patients Undergoing Total Hip or Knee Arthroplasty: A Retrospective Analysis at a Single Military Institution.
2015
ABSTRACT Objective: To describe a single institution's experience after initiation of a protocol in which all primary total hip arthroplasty (THA) and total knee arthroplasty (TKA) patients were administered intravenous tranexamic acid (TXA) intraoperatively to decrease perioperative blood loss. Methods: A retrospective review of medical records at a single institution from February 2012 to April 2014. The TXA treatment group was compared to a control group. We reviewed intraoperative blood loss, preoperative hemoglobin (Hb) levels, postoperative day 0 to 2 Hb levels, transfusion rates, postoperative venous thromboembolism, and other complication rates. Results: 259 patients underwent either TKA (165) or THA (94). 121 received perioperative intravenous TXA and 138 did not. There was a statistically decreased rate of allogeneic blood transfusion (0 vs. 10, p = 0.003) as well as a higher postoperative day 2 Hb level (10.8 ± 1.1 vs. 10.2 ± 2.6 g/dL, p = 0.02) in the treatment group. There was no statistical ...
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