Quality of Anticoagulation With Warfarin in Patient With Atrial Fibrillation for Secondary Stroke Prevention in Korea

Recruiting

Phase N/A Results N/A

Eligibility Criteria

Inclusion Criteria

Inclusion criteria for the warfarin-initiated cohort
1. Admission due to AF-related ischemic stroke
2. Initiation of warfarin therapy and treatment at least for more than 7 days of warfarin adjustment period
3. For TTR calculation, available consecutive INR values ≥3 after the 7 days of warfarin adjustment
Inclusion criteria for the long-term warfarin-treated cohort
1. Admission due to AF-related ischemic stroke
2. Long-term warfarin therapy at least for more than 90 days after the 7 days of warfarin adjustment period
3. For TTR calculation, available consecutive INR values ≥3 after the 7 days of warfarin adjustment
4. TTR evaluable days ≥ 90 days

Exclusion Criteria

1. AF with mechanical valve
2. Enrollment in anticoagulation randomized clinical trial
3. Enrollment in studies affecting the target INR range.