Endoscopic management of combined malignant biliary and gastric outlet obstruction |
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| Authors: | Yousuke Nakai Tsuyoshi Hamada Hiroyuki Isayama Takao Itoi Kazuhiko Koike |
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| Affiliation: | 1. Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan;2. Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan |
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| Abstract: | Patients with periampullary cancer or gastric cancer often develop malignant biliary obstruction (MBO) and gastric outlet obstruction (GOO), and combined MBO and GOO is not rare in these patients. Combined MBO and GOO is classified by its location and sequence, and treatment strategy can be affected by this classification. Historically, palliative surgery, hepaticojejunostomy and gastrojejunostomy were carried out, but the current standard treatment is combined transpapillary stent and duodenal stent placement. Although a high technical success rate is reported, the procedure can be technically difficult and duodenobiliary reflux with subsequent cholangitis is common after double stenting. Recent development of endoscopic ultrasound (EUS)‐guided procedures enables the management of MBO as well as GOO under EUS guidance. EUS‐guided biliary drainage is now increasingly reported as an alternative to percutaneous transhepatic biliary drainage in failed endoscopic retrograde cholangiopancreatography (ERCP), and GOO is one of the major reasons for failed ERCP. In addition to EUS‐guided biliary drainage, the feasibility of EUS‐guided double‐balloon‐occluded gastrojejunostomy bypass for MBO was recently reported, and EUS‐guided double stenting can potentially become the treatment of choice in the future. However, as each procedure has its advantages and disadvantages, treatment strategy should be selected based on the type of obstruction and the prognosis and performance status of the patient. |
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| Keywords: | biliary drainage endoscopic ultrasound gastric outlet obstruction malignant biliary obstruction metal stent |
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