Johns Hopkins Manual for GI Endoscopic Nurses, Third Edition

Mouen Khashab, MD; Toshunia Robinson, MD; Anthony Kalloo, MD

Chapter 35: Ercp With Biliary Dilation (continued)

Anne Marie Lennon, MD

Biliary dilation is used to treat strictures caused by sclerosing cholangitis, bile duct injuries, or inoperable bile duct malignancies. Dilating balloons come in varying diameters. A sphincterotomy may be performed before the dilation (at the physicians’ discretion). A guidewire is passed through the biopsy channel of a side-viewing duodenoscope and advanced to a point beyond the stricture. Once the balloon is placed across the stricture, a syringe filled with half-strength dye and a manometer is attached to the balloon port. The physician will direct the nurse to inflate the balloon…