[Endoscopically non-removable stones of the common bile duct].

Objective: To evaluate the effectiveness of long-term biliary stenting in the treatment of endoscopically intractable common bile duct stones.

Material And Methods: The study enrolled 247 patients with endoscopically non-removable bile duct calculi («difficult» choledocholithiasis) divided into two comparable groups. The main group included 129 patients who underwent biliary stenting with original stents with a nanocarbon inert coating (RF patent No.