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The Journal of Bone & Joint Surgery British Volume
Vol. 94-B, Issue 11 | Pages 1573 - 1578
1 Nov 2012
Lassen MR Gent M Kakkar AK Eriksson BI Homering M Berkowitz SD Turpie AGG

Post-operative complications after total hip or knee replacement can delay recovery, prolong hospitalisation, increase rates of re-admission and, in the most severe cases, lead to long-term disability or even death. In this analysis of pooled data from four large, randomised, phase III clinical trials that compared the oral, direct Factor Xa inhibitor rivaroxaban with subcutaneous enoxaparin for the prevention of venous thromboembolism after total hip or knee replacement (n = 12 729), the incidence of complications, including bleeding and adverse events related to surgery (such as wound infection, wound dehiscence and haemarthrosis) are reported. Interventions and procedures relating to surgery are also compared between the groups. Bleeding events, including excessive wound haematoma and surgical-site bleeding, occurred at similar rates in the rivaroxaban and enoxaparin groups. Over the total study duration, adverse surgical events occurred at a similar rate in the rivaroxaban group compared with the enoxaparin group after total knee replacement (2.26% vs 2.69%, respectively) and total hip replacement (1.48% vs 1.65%, respectively). Blood loss, wound drainage and transfusion requirements were also similar between the two groups.

This analysis shows that the incidence of adverse surgical events with rivaroxaban was similar to enoxaparin.


The Journal of Bone & Joint Surgery British Volume
Vol. 92-B, Issue 3 | Pages 468 - 468
1 Mar 2010
ERIKSSON BI KAKKAR A TURPIE AGG GENT M LASSEN MR


The Journal of Bone & Joint Surgery British Volume
Vol. 91-B, Issue 5 | Pages 636 - 644
1 May 2009
Eriksson BI Kakkar AK Turpie AGG Gent M Bandel T Homering M Misselwitz F Lassen MR

A once-daily dose of rivaroxaban 10 mg, an oral, direct Factor Xa inhibitor, was compared with enoxaparin 40 mg subcutaneously once daily for prevention of venous thromboembolism in three studies of patients undergoing elective hip and knee replacement (RECORD programme).

A pooled analysis of data from these studies (n = 9581) showed that rivaroxaban was more effective than enoxaparin in reducing the incidence of the composite of symptomatic venous thromboembolism and all-cause mortality at two weeks (0.4% vs 0.8%, respectively, odds ratio 0.44; 95% confidence interval 0.23 to 0.79; p = 0.005), and at the end of the planned medication period (0.5% vs 1.3%, respectively; odds ratio 0.38; 95% confidence interval 0.22 to 0.62; p < 0.001). The rate of major bleeding was similar at two weeks (0.2% for both) and at the end of the planned medication period (0.3% vs 0.2%).

Rivaroxaban started six to eight hours after surgery was more effective than enoxaparin started the previous evening in preventing symptomatic venous thromboembolism and all-cause mortality, without increasing major bleeding.