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- W1997798698 abstract "Background and Aims: Self-expandable metal stents (SEMS) are an effective palliative treatment for malignant biliary or duodenal strictures. Endoscopic stenting for combined malignant biliary and duodenal obstruction remains a technical difficulty. The aim of this study was to evaluate the technical feasibility, success rate of placement of newly designed duodenal metallic stent for an endoscopic double stent-in-stent for the management of malignant biliary and duodenal obstructions. Patients and Methods: Eight patients (3 men, mean age 72.8 years) with clinical presentation of inoperable malignant biliary and duodenal strictures were enrolled. Malignant bilioduodenal strictures were classified according to anatomical location of duodenal stricture in relation to papilla. Biliary stenting was performed endoscopically through the lumen of newly designed duodenal stent (BONASTENT M-Duodenal). Results: Biliary obstruction occurred concurrently with duodenal obstruction in 6 patients. Two patients had non-functioning biliary metal stent for malignant biliary stricture occurring before the onset of duodenal obstruction. The duodenal strictures were first part of duodenum in 3 patients (type 1), second part of duodenum in 5 patients (type 2). Newly designed duodenal metallic stent were successfully deployed in all patients. Endoscopic placement of biliary expandable metal stent through the mesh of newly designed duodenal stent was successful in 7 (87.5%) of 8 patients. Three patients of type 2 duodenal stricture failed bile duct cannulation with a guide wire. In the patients with failed cannulation, biliary stenting was successful in two patients by rendezvous procedure. Early complications occurred in one patient with mild pancreatitis. Conclusions: Biliary stenting through the mesh of the newly designed duodenal metallic stent is technically feasible and has a high success rate. Combined endoscopic biliary and duodenal stent in stent placement can be one promise solution for the palliation of malignant biliary and duodenal obstruction." @default.
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- W1997798698 date "2009-04-01" @default.
- W1997798698 modified "2023-09-27" @default.
- W1997798698 title "Newly Designed Duodenal Stent for Combined Endoscopic Stent in Stent Placement of Metallic Stent in Patients with Malignant Biliary and Duodenal Obstruction; Feasibility Study" @default.
- W1997798698 doi "https://doi.org/10.1016/j.gie.2009.03.211" @default.
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