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COMPARISON OF TRANEXAMIC ACID AND TOPICAL FIBRIN SPRAY ON BLOOD LOSS FOLLOWING TOTAL KNEE ARTHROPLASTY – A RANDOMISED CONTROLLED TRIAL



Abstract

Patients and Methods: One hundred and fifty patients with pre-operative haemoglobin levels of 13.0g/dl or less were enrolled into a randomised controlled trial comparing the blood saving effect of intravenous tranexamic acid and topical fibrin spray on blood loss following primary total knee arthroplasty.

Those randomly assigned to the Tranexamic Acid group received 500mg intravenously five minutes prior to tourniquet deflation and a repeat dose three hours later. Those assigned to the Topical Fibrin Spray group received 10mls of the combined product intra-operatively. Those in the control group received no pharmacological intervention.

Results: There was a significant saving in total calculated blood loss for those in the topical fibrin spray group (p=0.016) and the tranexamic acid group (0.041) compared with the control group with losses of 1190mls, 1225mls and 1415mls respectively. The increased reduction in blood loss in the topical fibrin spray group was not significantly different to that in the tranexamic acid group (p=0.72).

Correspondence should be addressed to Mr Tim Wilton, BASK at the Royal College of Surgeons, 35–43 Lincoln’s Inn Fields, London WC2A 3PE.