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DOI: 10.1055/a-2445-8201
Fully endoscopic treatment of loss of anatomical continuity of the duodenum caused by a perforated ulcer: an auto-rendezvous by anterograde biliary route
Authors
Recanalization after total loss of luminal patency in a hollow organ is generally performed surgically, but in unfit patients it may not be feasible, and some reports suggest that endoscopic reconstruction with extra-anatomic rendezvous is a viable option [1].
An 80-year-old woman underwent surgical suture and drain placement for a duodenal bulbar ulcer. An endoscopic and fluoroscopic evaluation after 5 days showed extensive bulbar necrosis with subversion of the anatomy: we assumed persistence of perforation, with detachment of the second part of the duodenum (D2) from the bulb and from which the drain was visible. A conservative approach was preferred, but unexpectedly the clinical picture rapidly improved: the drain became unproductive and was withdrawn.
At a second evaluation, the bulb appeared fibrotic, without communication with D2, with some minor grooves and a well-defined bifurcated orifice on the superior wall ([Fig. 1]). Fluoroscopy showed opacification of the biliary tree, but not of D2 ([Fig. 2]). We explored the bifurcated orifice with a guidewire: the two openings gave access to the intrahepatic and distal biliary trees, respectively, as if the ulcerative process itself had created a “choledochoduodenal anastomosis.” Selective opacification of the “distal” biliary branch permitted transpapillary opacification of D2; this showed no continuity with the bulb but was located near to it ([Fig. 3]).






We manipulated a 25-inch double-straight-tipped wire anterogradely through the papilla to D2. The wire was pushed onto the D2 wall adjacent to the bulb, piercing it so that it entered the bulb. The “head” of the wire (now in the bulb) was retrieved through the working channel of the scope, while simultaneously the “tail” was pushed to slide in. The wire now passed through the neofistula in the D2–bulbar walls. The passage was dilated up to 12 mm with a controlled radial expansion (CRE) balloon, and a partially covered metal stent (Hanarostent, 20 mm × 11 cm) was inserted restoring luminal patency ([Video 1], [Fig. 4]).
Fully endoscopic treatment of bulbar ulcer perforation with obstruction to the second section of the duodenum (D2) by self-rendezvous via an anterograde transpapillary route. CRE, controlled radial expansionVideo 1

Feeding was resumed without discomfort. Subsequent computed tomography confirmed the functionality of the stent, with no fluid or air leakage. We planned an endoscopic re-evaluation in 6 weeks, but unfortunately, the patient died earlier from unrelated disease.
Endoscopy_UCTN_Code_TTT_1AO_2AI
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Conflict of Interest
The authors declare that they have no conflict of interest.
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Reference
- 1 Meduri B, Derhy S, Dhumane P. et al. Extra-anatomical intraduodenal endoscopic-radiologic biliary rendezvous for treatment of iatrogenic complete stenosis of the common bile duct. Endoscopy 2015; 47: E565-E566
Correspondence
Publication History
Article published online:
08 November 2024
© 2024. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/).
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Reference
- 1 Meduri B, Derhy S, Dhumane P. et al. Extra-anatomical intraduodenal endoscopic-radiologic biliary rendezvous for treatment of iatrogenic complete stenosis of the common bile duct. Endoscopy 2015; 47: E565-E566








