Clinical application and verification of the TG13 diagnostic and severity grading criteria for acute cholangitis: an international multicenter observational study

Background The Tokyo Guidelines 2007 ( TG 07) first presented the diagnostic and severity grading criteria for acute cholangitis. Subsequently updated in 2013, the Tokyo Guidelines ( TG 13) have been widely adopted throughout the world as global standard guidelines. We set out to verify the efficacy of these TG 13 criteria in an international multicenter study. Methods We reviewed 6,063 patients who were clinically diagnosed with acute...