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  • Title: Biliary stones or ulcers at the choledochojejunal anastomotic site involving the jejunal mucosa at stent removal may be recurrent factors in patients with benign choledochojejunal anastomotic stenosis undergoing endoscopic biliary stenting using fully covered self-expandable metal stents.
    Author: Kida A, Shirota Y, Arihara F, Asai J, Matsuda K, Kakinoki K, Matsuda M, Sakai A, Terada M, Urabe T.
    Journal: J Hepatobiliary Pancreat Sci; 2022 Sep; 29(9):1044-1053. PubMed ID: 35561097.
    Abstract:
    BACKGROUND: Temporary fully covered self-expandable metal stent (FCSEMS) placement is performed for benign choledochojejunal anastomotic stenosis (bCJS). However, recurrence may develop after stricture resolution. We investigated endoscopic biliary stenting using FCSEMS for bCJS. METHODS: Sixteen bCJS patients with FCSEMS placement were retrospectively analyzed. FCSEMS was removed endoscopically after 2 months. Technical success, stricture resolution, recurrence, and adverse events were evaluated. RESULTS: The technical success rate for FCSEMS placement was 94% (15/16). Biliary stones were detected and extracted in four patients. FCSEMS removal was successfully performed on 14 patients, excluding one with stent migration. At FCSEMS removal, stricture resolution was noted in 14 patients; however, four had anastomotic ulcers. The median follow-up was 319 days. Three patients with a history of repeated plastic stent placement had no recurrence. Four out of 15 patients (27%) had recurrence, and three had no recurrence after additional interventions. Biliary stones before first FCSEMS placement (P = .003) or anastomotic ulcers at FCSEMS removal (P = .018) were associated with recurrence. CONCLUSIONS: Although FCSEMS placement was useful for stricture resolution, recurrence was detected in patients with biliary stones before first FCSEMS placement or anastomotic ulcers at FCSEMS removal. Anastomotic ulcers are a risk factor for recurrence and only detected by endoscopy.
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