Retrospective Cohort Study
Copyright ©The Author(s) 2017. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastrointest Endosc. Jul 16, 2017; 9(7): 304-309
Published online Jul 16, 2017. doi: 10.4253/wjge.v9.i7.304
Efficacy of a newly developed dilator for endoscopic ultrasound-guided biliary drainage
Yoshihide Kanno, Kei Ito, Shinsuke Koshita, Takahisa Ogawa, Kaori Masu, Yoshiharu Masaki, Yutaka Noda
Yoshihide Kanno, Kei Ito, Shinsuke Koshita, Takahisa Ogawa, Kaori Masu, Yoshiharu Masaki, Yutaka Noda, Department of Gastroenterology, Sendai City Medical Center, Sendai, Miyagi 983-0824, Japan
Author contributions: Kanno Y desiged research and wrote the manuscript; Kanno Y, Ito K, Masu K and Masaki Y performed the research; Kanno Y, Koshita S, Ogawa T and Noda Y analyzed the data.
Institutional review board statement: Institutional review board approved this study.
Informed consent statement: All study participants or their legal guardian provided informed written consent about personal and medical data collection prior to study enrolment.
Conflict-of-interest statement: The authors have no conflicts of interest or financial ties to disclose.
Data sharing statement: The original anonymous dataset is available on request from the corresponding author at yoshi-hk@openhp.or.jp.
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: Dr. Yoshihide Kanno, Department of Gastroenterology, Sendai City Medical Center, 5-22-1 Tsurugaya, Miyagino-ku, Sendai, Miyagi 983-0824, Japan. yoshi-hk@openhp.or.jp
Telephone: +81-22-2521111 Fax: +81-22-2529431
Received: November 9, 2016
Peer-review started: November 9, 2016
First decision: December 27, 2016
Revised: March 6, 2017
Accepted: March 23, 2017
Article in press: March 24, 2017
Published online: July 16, 2017
Processing time: 238 Days and 12.7 Hours
Core Tip

Core tip: The newly developed dilator (ES Dilator®) was useful for shortening procedure time and would prevent adverse events related to bile leakage in endoscopic ultrasound-guided choledochoduodenostomy.