Blood samples were obtained and analyzed preoperatively and postoperatively on days 1,3, and 7,including alanine aminotransferase(ALT),aspartate aminotransferase(AST),total bilirubin(TBil),directed bilirubin(DBil) and white blood cell(WBC).

• 收集和分析术前1天及术后第1、3、7天血谷丙转氨酶(ALT)、谷草转氨酶(AST)、总胆红素(Tbil)、直接胆红素(Dbil)和血白细胞(WBC)。