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Revista colombiana de Gastroenterología

Print version ISSN 0120-9957On-line version ISSN 2500-7440

Abstract

ZAVALETA,, Carlos et al. Periampullary duodenal diverticula and technical-therapeutic failure during endoscopic retrograde cholangiopancreatography (ERCP). Rev. colomb. Gastroenterol. [online]. 2021, vol.36, n.4, pp.539-543.  Epub Apr 27, 2022. ISSN 0120-9957.  https://doi.org/10.22516/25007440.706.

Introduction and objectives:

Periampullary duodenal diverticula are infrequent, and their finding is incidental. They are classified into three types according to Boix due to their proximity to the larger blister. This study aims to describe the experience with this anatomical abnormality and to demonstrate how this affects the technical and therapeutic success rate of the procedure.

Materials y Methods:

A cross-sectional study was conducted, with retrospective data collection over a 5-year period of patients with periampullary duodenal diverticula. Therapeutic failure, complications, and difficulty of cannulation of the bile duct were evaluated.

Results:

A total of 214 patients were evaluated, with a female-male ratio of 2.15: 1. The distribution of the subjects by type of PDD was: type 1 (29.9%), type 2 (51.9%), and type 3 (18.2%). The most frequent indication for ERCP was common bile duct stones in 53.3%. Type 1 PDD presented greater difficulty in cannulation (11.6%) and therapeutic failure (28.12%).

Conclusion:

The presence of PDD during ERCP is associated with greater technical failure (failure in cannulation) and therapeutic failure (persistence of biliary obstruction). In addition, this failures increases considerably when it is a type 1 intradiverticular papilla of the Boix classification. Therefore, it is suggested that biliary endoscopic procedures in these conditions are performed by highly experienced endoscopists to minimize the probability of technical and therapeutic failure and associated complications.

Keywords : Duodenal diverticula; Periampullar; Endoscopic retrograde cholangiopancreatography; Cannulation; papilla of Vater.

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