Acute Rosuvastatin for Preventing Myocardial Damage in Patients With ACS

Inclusion Criteria: * 18-75 year old * diagnosed as acute coronary syndrome * Plan to PCI Exclusion Criteria: * STEMI patient * emergency PCI(\<2h) for NSTE-ACS * History of liver disease and myopathy (ALT/AST\>3 x upper limit of normal,CK\>5 x upper limit of normal) * TG\>500mg/dl,CCr\<30ml/min * inflammatory disease * allergic to rosuvastatin * nephrotic syndrome,hypothyroidism,systemic lupus erythematosus,myeloma,et.al.