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Randomised control trial
Using the Watchman device to close the left atrial appendage reduces risk of stroke in atrial fibrillation, compared to using warfarin
  1. Martin J Swaans,
  2. Arash Alipour,
  3. Lucas V Boersma
  1. Department of Cardiology, St Antonius Hospital, Nieuwegein, The Netherlands
  1. Correspondence to : Dr Martin Swaans, Department of Cardiology, St Antonius Hospital, Koekoekslaan 1, 3435 CM Nieuwegein, The Netherlands; m.swaans{at}

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Atrial fibrillation (AF) is a common arrhythmia in clinical practice. The major complication of AF is thromboembolic stroke. Patients with AF have a fivefold higher risk of stroke and a twofold increase in mortality.1 As complete cure for AF is never certain, the aims of AF therapy are symptom relief and prevention of thromboembolic events. The latter can be managed by vitamin-K-antagonists (VKA), but is accompanied by several disadvantages including increased risk of bleeding and the need for monitoring with regular lab work. New oral anticoagulants (NOAC) regimens are simpler but are still …

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  • Competing interests The Cardiology Department of St Antonius Hospital receives proctoring fees for training/educational services from Atritech/Boston Scientific.

  • Provenance and peer review Commissioned; internally peer reviewed.