Malignant Hilar Biliary Obstruction: Treatment by Means of Placement of a Newly Designed Y-Shaped Branched Covered Stent
- Kosin University College of Medicine, Departments of Diagnostic Radiology (Korea, Republic of)
- Ewha Womans University College of Medicine, Departments of Radiology, Mokdong Hospital (Korea, Republic of)
- Kosin University College of Medicine, Departments of General Surgery (Korea, Republic of)
- Kosin University College of Medicine, Departments of Internal Medicine (Korea, Republic of)
PurposeTo evaluate the technical feasibility and clinical efficacy of placement of a newly designed Y-shaped branched covered stent for palliative treatment of malignant hilar biliary obstruction.MethodsFrom June 2011 to September 2014, 34 consecutive patients with malignant hilar biliary obstruction underwent percutaneous placement of a Y-shaped branched covered stent for palliative treatment. Technical and clinical success, complications, cumulative patient survival, and stent patency were evaluated.ResultsStent placement was technically successful in all patients. All patients showed adequate biliary drainage on the follow-up cholangiogram. Mean serum bilirubin level (10.9 mg/dl) decreased significantly 1 week (5.7 mg/dl) and 1 month (2.6 mg/dl) after stent placement (p < 0.01). Complications associated with the procedure included hemobilia (n = 3) and biloma (n = 1). During the mean follow-up period of 225 (range 12–820) days, nine patients (26.5 %) developed stent occlusion caused by tumor overgrowth (n = 8) and sludge (n = 1). Two of them underwent coaxial placement of a second stent with good results. The median survival time was 281 days and median primary stent patency was 337 days. There were no significant differences in the patient survival and stent patency rates in relation to age, sex, or Bismuth type.ConclusionPercutaneous placement of the Y-shaped branched covered stent seems to be technically feasible and clinically effective for palliative treatment of malignant hilar biliary obstruction.
- OSTI ID:
- 22642565
- Journal Information:
- Cardiovascular and Interventional Radiology, Vol. 39, Issue 4; Conference: IROS 2017: Interventional Radiological Olbert Symposium, Berlin (Germany), 12-14 Jan 2017; Other Information: Copyright (c) 2016 Springer Science+Business Media New York and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE); http://www.springer-ny.com; Country of input: International Atomic Energy Agency (IAEA); ISSN 0174-1551
- Country of Publication:
- United States
- Language:
- English
Similar Records
A Survival Analysis of Patients with Malignant Biliary Strictures Treated by Percutaneous Metallic Stenting
Percutaneous Transhepatic Biliary Metal Stent for Malignant Hilar Obstruction: Results and Predictive Factors for Efficacy in 159 Patients from a Single Center