Remote Ischemia Precondition (RIPC) for Hepatic Protection in Patients Undergoing Hepatectomy

Inclusion Criteria: * No other main organ diseases, American society of Anesthesiologists (ASA) classification Ⅰ-Ⅱ grade * Selective hepatectomy, one time hepatic portal occlusion * Child-Pugh A Exclusion Criteria: * Peripheral vessels diseases * Not the same surgical procedure as expected * Administered anti-inflammatory drugs as glucocorticoid etc * Diagnosed of diabetes * History of liver surgery * History of hepatic interventional therapy, radiofrequency therapy,radiotherapy and chemotherapy * Refuse to join the research * Patients with psychopathy * Acute infection need antibiotic therapy * Hepatic artery or portal vein embolism