The first-line antiarrhythmic drug was propafenone (600 mg per day). However, amiodarone (200 mg per day) or sotalol (160 mg per day) was administered when propafenone was contraindicated. Rate control drugs, including beta receptor blockers, calcium channel blockers, and digoxin, were administered as necessary. The use of ARB or ARNI was based on the recommended guideline and physician’s choice, and the dosages were adjusted according to blood pressure, and individual tolerance36 (link),37 (link). The estimated risk of thromboembolism was calculated for each patient based on the CHA2DS2-VASc. Oral anticoagulants, including warfarin, dabigatran, and rivaroxaban, were recommended to prevent ischemic stroke in patients with a CHA2DS2-VASc score greater than 1 in males or greater than 2 in females.
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