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Trauma

DOES PRE-OPERATIVE TRANEXAMIC ACID INCREASE THE INCIDENCE OF THROMBOEMBOLISM IN PRIMARY TOTAL KNEE REPLACEMENT?

European Federation of National Associations of Orthopaedics and Traumatology (EFORT) - 12th Congress



Abstract

INTRODUCTION

Tranexamic Acid (TA) has been shown to decrease peri-operative bleeding in primary Total Knee Replacement (TKR) surgery. There are still concerns with regards to the increased risk of thromboembolic events with the use of TA. The aim of this study was to assess whether the use of pre-operative TA increased the incidence of Deep Vein Thrombosis (DVT) and Pulmonary Embolism (PE) in TKR.

METHODS

Patients who underwent primary TKR between August 2007 and August 2009 were identified from the databases of three surgeons within the lower limb arthroplasty unit. A retrospective case notes analysis was performed. DVT was diagnosed on Duplex Ultrasound Scan and PE on CT Pulmonary Angiogram. A positive result was a diagnosis of DVT or PE within 3 months of surgery.

RESULTS

322 patients underwent primary TKR over the 2 year period. 131 patients received TA pre-operatively. 191 patients did not receive TA prior to surgery. A total of 4 (3.1%) patients who received TA were diagnosed with either a DVT (2) or PE (2) post operatively. In those patients not receiving TA, 6 had a DVT and 2 had a PE, a total of 8 (4.2%).

CONCLUSION

Pre-operative use of Tranexamic Acid in primary Total Knee Replacement does not increase the incidence of DVT and PE.