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Competing Interests: The authors declare that they have no conflict of interest.

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Background: The most appropriate endo-therapeutic approach to biliary anastomotic strictures is yet to be defined., Aim: To retrospectively report on the endo-therapy of duct-to-duct anastomotic strictures during 2013 in Italy., Methods: Data were collected from 16 Endoscopy Units at the Italian Liver Transplantation Centers (BASALT study group)., Results: Complete endo-therapy and follow-up data are available for 181 patients: 101 treated with plastic multistenting, 26 with fully covered self-expandable metal stenting and 54 with single stenting. Radiological success was achieved for 145 patients (80%), that is, 88% of plastic multistenting, 88% of self-expandable metal stenting and 61% of single stenting (P < 0.001 vs plastic multistenting; P < 0.05 vs self-expandable metal stenting). After first-line endo-therapy failure, the patients underwent a second-line endo-therapy with plastic multistenting for 25%, fully covered self-expandable metal stenting for 53% and single stenting for 22% of cases, and radiological success was achieved for 84%, that is, 100%, 85% and 63% with plastic multistenting, self-expandable metal stenting and single stenting (P < 0.05 vs plastic multistenting or self-expandable metal stenting) respectively. Procedure-related complications occurred in 7.8% of endoscopic retrograde cholangiopancreatographies. Overall, clinical success was achieved in 87% of patients after a median follow-up of 25 months., Conclusion: Plastic multistenting is confirmed as the preferred first-line treatment, while fully covered self-expandable metal stenting as rescue option for biliary anastomotic strictures. Single stenting has sub-optimal results and should be abandoned., (© 2018 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.)

Background: Endoscopic retrograde cholangio-pancreatography is the gold standard of treatment in patients with biliary complications after liver transplantation. The benefits of fully covered self-expandable metal stents (FCSEMS) lie in their relative simplicity and the need for only two procedures, one for insertion, and the other for removal. Several case series have been published on such stents with generally good outcomes. Objective is to analyze definitive long-term outcomes of this treatment., Methods: Prospective, observational study in a single, tertiary-care referral centre. All consecutive patients with post-transplant biliary stenosis/leak were treated with FCSEMS after failure of conventional treatment. Recurrence was evaluated after four years., Results: From February 2008 to April 2012, 70 patients were included. In all patients, the metal stent was successfully placed. After a mean of 86.7 ± 38.4 days, the stent was removed. Forty-six patients (65.7%) showed resolution. After a mean of 4 ± 1.2 years, 61% of patients maintained the results, but 39% showed recurrence. On the tested variables the diagnosis of stenosis, the number of previous procedures and plastic stents placed correlate with better long-term results., Conclusions: This series suggests a lack of long-term advantages of FCSEMS over plastic stents in the management of biliary stenosis after liver transplantation., (Copyright © 2015 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.)