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Cohort study
Restarting oral anticoagulation among patients with atrial fibrillation with gastrointestinal bleeding was associated with lower risk of all-cause mortality and thromboembolism
  1. Waqas T Qureshi1,
  2. Usama Nasir2
  1. 1Heart and Vascular Center of Excellence, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, North Carolina, USA
  2. 2Department of Internal Medicine, University of Connecticut, Farmington, Connecticut, USA
  1. Correspondence to : Dr Waqas T Qureshi, Heart and Vascular Center of Excellence, Wake Forest School of Medicine, Medical Center Blvd, NC 27157, USA; wqureshi{at}

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Commentary on: OpenUrlAbstract/FREE Full Text


Atrial fibrillation (AF) is associated with higher risk of thromboembolism and thus warrants the use of anticoagulants for prevention of adverse outcomes.1 However, anticoagulation comes at the price of a higher risk of gastrointestinal bleeding (GIB). Current guidelines recommend interrupting anticoagulation in the case of GIB but do not inform on whether it should be resumed. This study assesses risks of all-cause mortality, thromboembolism, major bleeding and recurrent GIB associated with resuming antithrombotic treatment after GIB among patients with AF.


This prospective cohort study included non-valvular patients with AF who experienced GIB while receiving single or combined antithrombotic treatment with an antiplatelet and/or anticoagulant in a Danish cohort …

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  • Competing interests None declared.

  • Provenance and peer review Commissioned; internally peer reviewed.