Patients with stable angina pectoris were treated with 80 mg atorvastatin 12 hours and 40 mg atorvastatin 2 hours before coronary angioplasty ( n = 15 ) or preoperatively with 40 mg/d atorvastatin for 7 days ( n = 15 ) or did not receive atorvastatin ( n = 15 ) .