Discontinuation of oral anticoagulation in atrial fibrillation and risk of ischaemic stroke

Population-based cohort study with nested case–control analysis (76 882 UK;41526 Denmark) found pts who discontinued oral anticoagulation therapy had a two to threefold higher risk of ischaemic stroke vs current users (UK OR 2.99; 95% CI 2.31 to 3.86: Denmark 2.30; 1.79 to 2.95)

Heart