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- W2024069753 abstract "Endoscopic placement of fully covered self expandable metallic stent (FCSEMS) has been tried to manage refractory benign biliary strictures (BBS). However, currently available FCSEMS may be associated with unintended complications such as a de novo stricture by tissue hyperplasia, or reflux of duodenal content. To be a novel stent for BBS, we modified FCSEMS to minimize stent-induced complications. The aim of this study was to evaluate the success rates, safety, and removability of modified FCSEMS with placement above the papilla for the patients with benign biliary strictures. 16 patients with symptomatic BBS failed with conventional endoscopic management were enrolled to this study. A strictured segment was above 15 mm from ampulla of Vater in all patients. The modified FCSEMS (BONASTENT M-Inside, Standard Sci Tech Inc, Seoul, Korea) has convex margin and cross lasso at both ends, and anti-migrated segment on mid portion. Stents were placed inside of the bile duct, entirely above the papilla and removed after 3-4 months using a rat tooth forceps. Technical and clinical success, removability, and adverse events were assessed. FCSEMSs were successfully placed inside of the bile duct in all patients. Jaundice was disappeared in all patients after stent placement. There was no episode of stent-induced cholangitis or sepsis. Stent migration was occurred in four patients, but three of them were asymptomatic. All stents were removed successfully with a rat tooth forceps without complication. Cholangiogram after stenting showed the improvement of ductal strictures without de novo focal stricture in all patients. All removed stents remained patent at the time of stent removal during inspection. Clinical success rate was 93.7% (15/16) because of one recurrent stricture by chronic pancreatitis. Temporary placement of newly modified FCSEMS was effective in improving strictures with prevention of potential stent-induced complications in patients with BBS. Controlled, large scale trials are needed to confirm our preliminary results, long term efficacy." @default.
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- W2024069753 date "2011-04-01" @default.
- W2024069753 modified "2023-09-30" @default.
- W2024069753 title "Su1450 Feasibility of a Modified Fully Covered Self-Expandable Metallic Stents Placement Above the Papilla to Minimize Stent-Induced Bile Duct Injury for Benign Biliary Strictures" @default.
- W2024069753 doi "https://doi.org/10.1016/j.gie.2011.03.503" @default.
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