Anticoagulation for Stroke Prevention In Patients With Recent Episodes of Atrial Fibrillation Occurring Transiently With Stress

Inclusion Criteria

• •1. have ≥1 episode of clinically important AFOTS during any of the following conditions:
• •1. noncardiac surgery in the past 35 days, with at least an overnight hospital admission aftersurgery;
• •2. noncardiac day surgery resulting in a large enough physiological insult to be able to cause AFOTS, as judged by the local investigator; or
• •3. acute medical illness requiring hospital admission in the past 35 days and resulting in a large enough physiological insult to be able to cause AFOTS, as judged by the local investigator;
• •2. sinus rhythm at the time of randomization;
• •3. any of the following high-risk criteria:
• •1. age 55-64 years, and having either known cardiovascular disease, recent major vascular surgery, a CHA2DS2VASc score ≥3, or an elevated postoperative troponin level;
• •2. age 65-74 years, and having either known cardiovascular disease, recent major vascular surgery, a CHA2DS2VASc score ≥2, or an elevated postoperative troponin level; OR
• •3. age ≥75 years.;
• •4. provide written informed consent