Different options of endosonography-guided biliary drainage after endoscopic retrograde cholangio-pancreatography failure
José Celso Ardengh, Rafael Kemp, José Sebastião dos Santos, Division of Surgery and Anatomy, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo 14049-900, Brazil
César Vivian Lopes, Department of Gastroenterology and Digestive Endoscopy, Santa Casa Hospital, Porto Alegre 91410-000, Brazil
Author contributions: Ardengh JC performed the procedures; Lopes CV designed the study and wrote the manuscript; Kemp R and dos Santos JS provided the collection of all human material.
Institutional review board statement: The institutional review board statement was approved by protocol No. 2.191.319.
Informed consent statement: All study participants, or their legal guardians, provided informed written consent prior to study enrollment.
Conflict-of-interest statement: No potential conflicts of interest relevant to this article were reported.
Data sharing statement: No additional data are available.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: César Vivian Lopes, MD, PhD, Doctor, Department of Gastroenterology and Digestive Endoscopy, Santa Casa Hospital, Rua Prof. Cristiano Fischer 668/1001, Porto Alegre 91410-000, Brazil. email@example.com
Received: January 9, 2018
Peer-review started: January 10, 2018
First decision: January 23, 2018
Revised: February 10, 2018
Accepted: March 14, 2018
Article in press: March 15, 2018
Published online: May 16, 2018