Effect of Different Biliary Drainage Methods in Treatment of Malignant High Biliary Obstruction

Objective To explore the correlation of different biliary drainage methods with curative effect in the treatment of malignant high biliary obstruction(MHBO). Methods A retrospective investigation was performed in 164 patients diagnosed as MHBO in the Fourth Hospital of Hebei Medical University. Among them, 18 cases received complete external drainage of biliary tract(group A), 48 cases received biliary single stent implantation combined with lateral drainage(group B), 34 cases received external drainage of biliary tract(group C), and 64 cases received biliary double stent implantation(group D). The short-term and long-term therapeutic evaluations as well as the postoperative complications were observed. Results The differences in ALT, AST, TBIL and DBIL of all patients before operation and the 3rd, 7th, 14th day after operation were significant (P