[Guidelines for diagnosis and treatment of acute biliary tract infections(2021)].

To further improve the standard of diagnosis and treatment of acute biliary tract infections in China, the Branch of Biliary Surgery, Society of Surgery, Chinese Medical Association has revised the guidelines for the diagnosis and treatment of acute biliary tract infections (2011).The guidelines describe the risk factors of acute biliary tract infections, propose diagnostic methods and severity classification criteria, and define the treatment of acute biliary tract infections and the standardized application of antibiotics. The treatment of acute biliary tract infection should be combined with surgical care, antimicrobial therapy and systemic management, and should be completed under the guidance of experienced surgical specialist. Reasonable selection of diagnosis and treatment measures, accurate understanding of surgical procedures and standardized use of antibiotics can achieve maximum treatment result for acute biliary tract infection.