Rivaroxiban is a direct inhibitor of factor Xa, a licensed oral thromboprophylactic agent that is increasingly being adopted for lower limb arthroplasty. Rivaroxiban has been NICE-approved for use in primary hip and knee arthroplasty following the RECORD 4 trials; proving it more effective in preventing venous thrombo-embolic (VTE) events compared to enoxaparin. Enhanced Recovery Programmes (ERP) are designed to enable patients to recover quickly and return home safely within a few days. We prospectively studied 1223 patients (age- and sex-matched) who underwent lower-limb arthroplasty enrolled in our ERP between March 2010 and December 2011; 454 patients (Group 1) received enoxaparin, 769 patients (Group 2) received rivaroxiban. Patients wore thrombo-embolic stockings for six weeks post surgery. Patients were monitored for thrombo-embolic events and wound-related complications for 42 days post-operatively.Introduction
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