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. 2023 Oct 27;4(1):e305. doi: 10.1002/deo2.305

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© 2023 The Authors. DEN Open published by John Wiley & Sons Australia, Ltd on behalf of Japan Gastroenterological Endoscopy Society.

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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For the total endoscopic biliary stenting (EBS), the number of endoscopic retrograde cholangiographies (ERCs) at 3‐month intervals and comparison of stent patency rates and stent dislocation rates between the inside stents (IS) and plastic stents (PS) groups.

(a) The numbers of ERCs for the two groups at three monthly intervals. The number of strategic replacements within a year, without stent dysfunction, was 16 (18.0%) for the IS group and 12 (9.4%) for the PS group (p = 0.098). (b) Similar to the first EBS, the period of stent patency was significantly longer for the IS group. (c) The stent dislocation rate was significantly lower for the IS group.