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Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_9 | Pages 99 - 99
1 May 2017
Bohler I Howse L Baird A Giles N
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Background

There are multiple documented advantages of undertaking total knee arthroplasty (TKA) without tourniquet, however, increased rates of blood loss and transfusion are often cited as contraindications to this approach. The aim of this study was to examine the effect of intra-operative TA administration on blood loss and transfusion rates in TKA without pneumatic tourniquet, using Rivaroxaban as thrombo-embolic prophylaxis.

Method

120 patients split into two continuous data sets, (A+B), underwent TKA without application of above knee tourniquet, receiving a post operative dose of oral Rivaroxaban within 8 hours. Group B patients received an intra-operative dose of 1 gram of Tranexamic Acid intravenously before the first cut, whilst those in group A did not. Haemoglobin and haematocrit levels were recorded peri-operatively. A revised Gross formula was used to calculate blood loss. Four patients were excluded from the study for incomplete data.