Prevention of thromboembolic events in atrial fibrillation.

  title={Prevention of thromboembolic events in atrial fibrillation.},
  author={Birgitte Gade Koefoed and Annette Lemche Gull\ov and Palle Petersen},
  journal={Thrombosis and haemostasis},
  volume={78 1},
Nonvalvular atrial fibrillation is associated with an overall risk of stroke of 4.5% per year. Advancing age, prior stroke or transcient cerebral ischemia, diabetes and hypertension are known risk factors. Ischemic stroke in patients with atrial fibrillation are generally more severe than ischemic stroke in patients with sinus rhythm. Warfarin is effective for primary and secondary prevention of ischemic stroke, reducing the risk by 68%. The effect of aspirin is still controversial, reducing… CONTINUE READING