Stroke prevention in the elderly atrial fibrillation patient with comorbid conditions: focus on non-vitamin K antagonist oral anticoagulants.

Concomitant use of a higher number of medications (>10 medications) showed a trend toward increased risk of major and minor bleeding (HR 1.46, 95% CI [1.29–1.64], P =0.81) but not stroke and systemic thromboembolism when compared to use of 0–4 medications. 65 Another cross-sectional study from the Danish anticoagulation clinic reported that 53% of patients used ≥5 prescription me

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