Management of benign biliary strictures by percutaneous interventional radiologic techniques (PIRT)

Area of Science:

• Interventional Radiology
• Gastroenterology
• Hepatobiliary Surgery

Background:

• Biliary strictures pose management challenges, with limited data on long-term outcomes of percutaneous interventional radiologic techniques (PIRT).
• Understanding the efficacy of PIRT for various biliary stricture etiologies is crucial for clinical decision-making.

Purpose of the Study:

• To evaluate the long-term efficacy of PIRT for managing biliary strictures.
• To compare PIRT outcomes based on the etiology and location of biliary strictures.

Main Methods:

• Retrospective review of patients with biliary strictures treated with PIRT between 1998 and 2003.
• Exclusion of patients with sclerosing cholangitis, hepatic transplantation, or malignant strictures.
• Statistical comparison using Fisher's exact test and Wilcoxon rank-sum test.

Main Results:

• PIRT was successful in 91% of short, isolated strictures post-laparoscopic cholecystectomy (10/11 patients).
• Success rates for strictured bilioenteric anastomoses were 41% (7/15 patients).
• 74% of patients were stent-free at follow-up, with anastomotic strictures showing lower PIRT success (p=0.02).

Conclusions:

• Percutaneous balloon dilatation and stenting are effective for bile duct strictures, especially short ones post-laparoscopic cholecystectomy.
• PIRT offers a viable treatment option for anastomotic strictures, achieving success in up to 40% of cases.
• PIRT demonstrates significant success in managing specific types of biliary strictures, guiding future treatment strategies.