Selective intrahepatic ductal cannulation during ERCP with a sphincterotome

Area of Science:

• Gastroenterology
• Hepatology
• Interventional Endoscopy

Background:

• Selective intrahepatic ductal cannulation during ERCP is technically challenging, especially with biliary strictures at the bifurcation or secondary branches.
• Conventional methods often prove insufficient for achieving targeted intrahepatic access.

Purpose of the Study:

• To evaluate the efficacy of using a sphincterotome and a hydrophilic-coated guidewire for selective intrahepatic ductal access in patients with difficult biliary anatomy.
• To assess the technical and clinical success rates of this technique in a cohort of patients who failed conventional cannulation.

Main Methods:

• A retrospective review of 16 patients with various biliary conditions (stones, cholangiocarcinoma, PSC, hepatoma, bile leak) who underwent ERCP.
• The technique involved using a sphincterotome and a hydrophilic-coated guidewire for intrahepatic ductal access after failure of conventional methods.

Main Results:

• Technical success was achieved in 15 out of 16 patients, with clinical success in 12.
• Successful outcomes were observed in patients with primary sclerosing cholangitis and hepatoma.
• Outcomes varied for patients with bile duct stones and cholangiocarcinoma, with some requiring further interventions or experiencing complications.

Conclusions:

• The combination of a sphincterotome and hydrophilic-coated guidewire is an effective strategy to enhance success rates for selective intrahepatic ductal access.
• This technique offers a valuable option for complex ERCP procedures involving difficult intrahepatic biliary anatomy.