Compare Apixaban and Vitamin-K Antagonists in Patients With Atrial Fibrillation (AF) and End-Stage Kidney Disease (ESKD)

Patients will be instructed to take one tablet of 2.5 mg twice daily: one tablet in the morning and one in the evening at approximately the same time every day (with about 12 hours gap) irrespective of the time of dialysis.

Subjects in phenprocoumon treatment group will receive phenprocoumon individually adjusted to an INR of 2.0-3.0 as recommended in the appropriate SmPC for AF patients.