FACTORS ASSOCIATED WITH DIFFICULT BILIARY CANNULATION IN A TRAINING CENTER FOR ENDOSCOPIC INTERVENTION OF THE BILIARY TRACT.

Arq Gastroenterol

Internal Medicine Specialist, Chief of the Gastroenterology and Digestive Endoscopy Unit, Hospital Universitario San Ignacio, Pontificia Universidad Javeriana, Bogotá, Colombia.

Published: April 2022

Background: This paper aims to determine factors associated with difficult biliary cannulation (DBC) that are identifiable before procedures.

Methods: This is a nested case-control study within a historical cohort in adult patients undergoing endoscopic retrograde cholangiopancreatography (ERCP) from 2015-2019 in the Hospital Universitario San Ignacio, Colombia. This study assessed the associations among variables that could be identified before or at the beginning of procedures and the probability of DBC. These associations were evaluated through a bivariate and multivariate analysis. The study used criteria for DBC defined by the European Society of Gastrointestinal Endoscopy.

Results: A total of 498 ERCP performed in 376 patients were analyzed. Of all procedures, 144 (29%) fulfilled criteria for DBC. The multivariate analysis showed an association between DBC and the acute care hospital setting (OR:2.92; CI95% 1.70-5.01; P<0.001), redundant papilla (OR:7.26; CI95% 3.38-15.61; P<0.001), or peridiverticular papilla (OR:2.45; CI95% 1.38-4.36; P=0.002). No association was found between DBC and endoscopist's experience, bilirubin levels, or dilation of the biliary tract.

Conclusion: The DBC is a frequent event. Alterations in the papilla and ERCP performed in the acute care hospital setting are the principal factors associated with DBC. This information might be useful to predict DBC and establish healthcare and administrative strategies to reduce its implications.

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http://dx.doi.org/10.1590/S0004-2803.202200001-06DOI Listing

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