The purpose of this study is to determine the effect of normal temperature and 37℃ non-ionic contrast agent acting on ERCP-related cholangeitis after endoscopic retrograde cholangiopancreatography (ERCP) in the treatment of hilar cholangiocarcinoma.
Type Ⅰ、Ⅱ、Ⅲ、Ⅳ of Hilar Cholangiocarcinoma;
Age: 18~90 years old;
Underwent diagnostic and therapeutic ERCP;
Coagulation dysfunction(INR>1.3) or/and low peripheral blood platelet count （PLT <50x10^9/L）;
Preoperative acute cholangitis;
Preoperative acute pancreatitis;
Preoperative hemobilia or hemorrhage of digestive tract;