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Intervention in Benign Biliary Stricture and Biliary Leak

AUTHORS

Mohammad Gharib Salehi 1 , *

AUTHORS INFORMATION

1 Department of Radiology, Kermanshah University of Medical Science, Kermanshah, IR Iran

ARTICLE INFORMATION

Iranian Journal of Radiology: 11 (30th Iranian Congress of Radiology); e21425
Published Online: February 28, 2014
Article Type: Research Article
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Abstract

Benign causes of biliary obstruction are often iatrogenic in nature, and most commonly result from inadvertent damage to the biliary tree during surgical procedures, particularly laparoscopy. Benign biliary obstruction may be associated with trauma, inflammatory processes due to stone disease or pancreatitis, surgery with biliary-enteric anastomoses, liver transplantation, sphincter of Oddi dysfunction, and as a late complication of the treatment of other intra-abdominal processes. The percutaneous treatment of benign biliary strictures by dilatation has a success rate ranging from 67 to 90%, which is higher than that of endoscopic treatment. Common complications of percutaneous biliary drainage and intervention include hemorrhage from puncture of the portal vein or hepatic artery, pleural or gallbladder puncture, injury to bowel or kidney, and sepsis. Placement of metallic stents in the BBS has been tried with no long term promising results. Metallic stents should only be considered for failed attempts at surgical repair. Development of self-expandable covered stents specifically designed to be removed at a later date may change current management strategies. Treatment with covered metal stents or bio absorbable stents warrants further evaluation. Endoscopic biliary sphincterotomy (EBS) is a first-line therapy for various pancreaticobiliary diseases. The endoscopic management of benign biliary diseases typically consists of dilation and insertion of one or more plastic stents followed by elective stent exchange every 3 months to avoid cholangitis caused by stent clogging. Sequential placement of multiple, large diameter stents in patients with distal common bile duct stenosis secondary to chronic pancreatitis appears to be superior to single stent placement and may provide good long-term benefits.

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© 2014, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
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