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Perspectives

Risk scores to predict stroke in atrial fibrillation

John Amerena

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Abstract

Preventing stroke in patients with nonvalvular atrial fibrillation should be the major therapeutic consideration, with the CHAD2 score being the most validated risk calculator for stroke in these patients.

Key Points

  • Stroke prevention in patients with nonvalvular atrial fibrillation (AF) should be the major therapeutic consideration.
  • The CHADS2 score is the most widely used and validated risk calculator for stroke in patients with nonvalvular AF.
  • Bleeding risk also needs to be taken into account when considering anticoagulation in patients with nonvalvular AF.
  • Well-controlled warfarin treatment is effective in stroke prevention in patients with nonvalvular AF but dabigatran is easier to use, safer and more effective.

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