PMID: 26787182Jan 21, 2016Paper

The Effect of Tranexamic Acid on Blood Loss after Primary Unilateral Total Knee Arthroplasty. Prospective Single-Centre Study

Acta chirurgiae orthopaedicae et traumatologiae Cechoslovaca
J PertlíčekV Mezera

Abstract

Tranexamic acid is an antifibrinolytic agent which blocks plasmin-mediated fibrin degradation. It is used in surgery to reduce intra-operative and post-operative blood loss. The aim of our study was to assess the effect of tranexamic acid administration on blood loss after elective primary unilateral total knee arthroplasty. A total of 119 patients (50 men, 69 women) with an average age of 69.2 years were included. The patients were randomised into two groups: Group A received a single dose of tranexamic acid (Exacyl, 1.5 g i.v.) before the operation; Group B (control) did not receive any antifibrinolytic agent. All patients underwent surgery under spinal anaesthesia with a tourniquet applied to the operated leg. The intra-operative blood loss, post-operative blood loss based on drainage, pre- and post-operative levels of haemoglobin and haematocrit, and the number of administered blood transfusions were analysed. The administration of tranexamic acid led to a reduction in post-operative blood loss at all intervals tested, including the total blood loss (504 ± 214 vs 815 ± 231 ml; p < 0.001), and to reduced requirements for blood transfusion (1.18 ± 0.51 vs 1.54 ± 0.84 transfusion units; p < 0.05). A similar effect was observed...Continue Reading

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