Study Type and Design Prospective, Observational Study Rivaroxaban in Elderly AF patients with or without renal impairment in Korea

This study will investigate effectiveness and safety in elderly patients, the result from well-designed and high-quality prospective clinical registry collected through real-world clinical practice is expected to resolve current medical unmet needs of rivaroxaban in Korean elderly patients.

Primary Study Objective(s) To investigate the effectiveness of rivaroxaban in elderly patients with NVAF, with or without renal impairment in Korea real-world clinical practice settings Secondary Study Objective(s) To see safety outcome including major bleeding, clinically non-major bleeding, all-cause mortality rivaroxaban in subgroup based on risk factor(eg. Renal impairment) physicians' treatment pattern in rivaroxaban

Study Population Elderly patients with age ≥ 65 years with treatment naïve or treatment-experienced patients who are diagnosed with NVAF Expected number of patient enrollment is about 1200 patients, Samsung Medical Center is aim to enroll about 200 patients

Inclusion Criteria:

1. Patients with consent given
2. Elderly patients with age 65 ≥ years old
3. NVAF patients first time prescription to rivaroxaban or patients who started rivaroxaban treatment within 3 months

Exclusion Criteria:

1. Refusal to participate in this study or to give an informed consent
2. Patients with moderate to severe mitral stenosis
3. Patients with mechanical valve
4. Contraindication from rivaroxaban Korea SmPC

Elderly patients with age ≥ 65 years with treatment naïve or treatment-experienced patients who are diagnosed with NVAF Expected number of patient enrollment is about 1200 patients,