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Thromb Haemost 2018; 118(06): 1001-1008
DOI: 10.1055/s-0038-1645856
Coagulation and Fibrinolysis
Schattauer GmbH Stuttgart

Peri-operative Adverse Outcomes in Patients with Atrial Fibrillation Taking Warfarin or Edoxaban: Analysis of the ENGAGE AF-TIMI 48 Trial

James D. Douketis
1   Department of Medicine, McMaster University, Hamilton, Canada
,
Sabina A. Murphy
2   Department of Medicine, Brigham and Women's Hospital, Harvard University, Boston, Massachusetts, United States
,
Elliott M. Antman
2   Department of Medicine, Brigham and Women's Hospital, Harvard University, Boston, Massachusetts, United States
,
Laura T. Grip
2   Department of Medicine, Brigham and Women's Hospital, Harvard University, Boston, Massachusetts, United States
,
Michele F. Mercuri
3   Daiichi-Sankyo Pharma Development, Basking Ridge, New Jersey, United States
,
Christian T. Ruff
2   Department of Medicine, Brigham and Women's Hospital, Harvard University, Boston, Massachusetts, United States
,
Jeffrey I. Weitz
1   Department of Medicine, McMaster University, Hamilton, Canada
4   Thrombosis and Atherosclerosis Research Institute, Hamilton, Canada
,
Eugene Braunwald
2   Department of Medicine, Brigham and Women's Hospital, Harvard University, Boston, Massachusetts, United States
,
Robert P. Giugliano
2   Department of Medicine, Brigham and Women's Hospital, Harvard University, Boston, Massachusetts, United States
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Publikationsverlauf

08. Januar 2018

21. März 2018

Publikationsdatum:
03. Mai 2018 (online)

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Abstract

Background Peri-operative management of anticoagulated patients with atrial fibrillation (AF) is challenging. To gain information on the peri-operative management of edoxaban, we compared outcomes in patients on warfarin or edoxaban enrolled in ENGAGE AF-TIMI 48 who underwent a surgery or invasive procedure.

Methods Data from patients undergoing their first surgery/procedure were analysed and results compared by anticoagulant (warfarin vs. higher- or lower-dose edoxaban regimen [HDER and LDER, respectively]). Patients were classified by procedural management: anticoagulant interrupted (last dose 4–10 days pre-procedure) or anticoagulant continued (last dose ≤ 3 days pre-procedure). Stroke/systemic embolism (SSE), major bleeding (MB), MB or clinically relevant non-MB (CRNMB) and death were assessed from 7 days pre- until 30 days post-procedure. The chi-square test was used to compare outcomes across treatment groups.

Results A total of 7,193 patients (34%) underwent surgery/procedure: 3,116 had anticoagulant interrupted, 4,077 had anticoagulant continued. Among patients on warfarin, HDER and LDER who had anticoagulant interrupted, rates of SSE were 0.6, 0.5 and 0.9% (p = 0.53), rates of MB were 1.0, 1.2 and 1.1% (p = 0.94) and rates of MB or CRNMB were 3.9, 4.2 and 3.6% (p = 0.78); among patients on warfarin, HDER and LDER who had anticoagulant continued, rates of SSE were 1.1, 0.7 and 0.9% (p = 0.51), rates of MB were 3.6, 2.6 and 2.4% (p = 0.13) and rates of MB or CRNMB were 8.5, 7.9 and 6.6% (p = 0.17).

Conclusion In patients requiring surgery/procedure in ENGAGE AF-TIMI 48, peri-operative rates of SSE, MB and death were not significantly different in patients who received edoxaban or warfarin.

Keywords

clinical trials - oral anticoagulants - stroke/prevention - bleeding - warfarin - edoxaban

Supplementary Material

 

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