ALB and cardiac arrhythmia: When severe arrhythmia, frequent premature ventricular contraction (PVC), frequent premature atrial contraction (PAC), and various types of tachycardia occurred in early postoperative period, the patients were treated with glucocorticoid (methylprednisolone 2 mg/(kg·d) or dexamethasone 0.25∼0.5 mg/(kg·d)), albumin (0.5∼1 g/(kg·d)), and myocardial nutrition medicine (creatinine phosphate (500∼1000 mg/d)).