Oral anticoagulation in patients aged 75 years or older with chronic non-valvar atrial fibrillation: effectiveness and safety in daily clinical practice

Although American College of Cardiology/American Heart Association/European Society of Cardiology clinical practice guidelines1 recommend oral anticoagulation for patients aged 75 years or older with non-valvar atrial fibrillation (NVAF) and without contraindication to this treatment, underutilisation has often been reported.2 Moreover, this population has been underrepresented in clinical trials—the only one that included a high proportion of...