Intensive Statin Therapy Effect on Post-Operative Atrial Fibrillation (POAF)

Inclusion Criteria: * Age 19 or older * Undergoing elective cardiothoracic surgery Exclusion Criteria: * Emergency cardiothoracic surgery * History of permanent atrial fibrillation * Acute coronary syndrome within 7 days * Antiarrhythmic drug use in the past 3 months * Receiving maximal tolerated dose of statin therapy * Receiving fibrate therapy * History of statin intolerance * Significant liver impairment (aspartate aminotransferase/alanine aminotransferase(AST/ALT)\>2x ULN) * Serum Creatinine \> 3 mg/dl * Pregnancy or breastfeeding