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Rev Esp Enferm Dig. 2020 Mar 18;112. doi: 10.17235/reed.2020.6940/2020. [Epub ahead of print]

Endoscopic retrograde cholangiopancreatography by double-balloon enteroscopy in patients with surgically altered gastrointestinal anatomy.

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Departamento de Endoscopia Gastrointestinal, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México.
Department of Surgery, National Institute of Medical Sciences and Nutrition Salvador Zubirán, Mexico.
Division of Gastroenterology, University of Alberta, Canada.
Hepato-Gastro-Enterología y Endoscopia Digestiva, Hospital Europeo Georges Pompidou, Francia.
Unidad de Investigación Epidemiológica, Hospital Infantil de México Federico Gómez, México.
Facultad de Medicina, Universidad Popular Autónoma del Estado de Puebla, México.



Endoscopic retrograde cholangiopancreatography (ERCP) allows a diagnostic and therapeutic evaluation of pancreatobiliary diseases. However, the procedure in patients with surgically altered gastrointestinal anatomy represents a technical challenge.


to report the diagnostic and therapeutic outcome of device-assisted enteroscopy (DAE) ERCP in patients with a surgically altered gastrointestinal anatomy.


a prospective cohort of patients with a history of surgically altered gastrointestinal anatomy undergoing DAE-ERCP in a referral center was used. A double-balloon enteroscope was used to reach the papillary area or the bilio-enteric anastomosis. The clinical and endoscopic characteristics, and technical, diagnostic and therapeutic success were described. Clinical and endoscopic differences were evaluated according to diagnostic success, as well as the biochemical response in those patients with therapeutic success.


ninety-six procedures were included in the study in 75 patients. Roux-en-Y hepaticojejunostomy (RYHJ) was the main surgical anatomy (82.3%) and cholangitis was the main indication for ERCP (49%). Diagnostic success was obtained in 69.8% of the participants. Of these, therapeutic success was obtained in 83.6% (overall success 58.3%). Cases with a diagnostic success had a higher frequency of cholangiography compared to those without diagnostic success (94% vs 0%, p < 0.001), as well as a lower probability of a failed cannulation (1.5% vs 100%, p < 0.001). A significant improvement was observed in patients with a therapeutic success in bilirubin, transaminases and alkaline phosphatase levels (p < 0.05).


ERCP by means of double-balloon enteroscopy is a useful technique in patients with a surgically altered gastrointestinal anatomy, in whom access to the bile duct is required. However, these procedures are very challenging and diagnostic and therapeutic success where achieved in up to 60% of cases.

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