Retrospective Study
Copyright ©The Author(s) 2015. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastrointest Endosc. Jul 25, 2015; 7(9): 889-894
Published online Jul 25, 2015. doi: 10.4253/wjge.v7.i9.889
Comparison of endoscopic stenting for malignant biliary obstruction: A single-center study
Ryuichi Yamamoto, Masatomo Takahashi, Yasuyo Osafune, Katsuya Chinen, Shingo Kato, Sumiko Nagoshi, Koji Yakabi
Ryuichi Yamamoto, Masatomo Takahashi, Yasuyo Osafune, Katsuya Chinen, Shingo Kato, Sumiko Nagoshi, Koji Yakabi, Department of Gastroenterology and Hepatology, Saitama Medical Center, Saitama Medical University, Saitama 350-8550, Japan
Author contributions: Yamamoto R and Takahashi M contributed equally to this work; Yamamoto R, Takahashi M, Osafune Y, Chinen K, Kato S, Nagoshi S and Yakabi K performed the research; Yamamoto R analyzed the data; and Yamamoto R wrote the paper.
Institutional review board statement: This study was reviewed and approved by the Saitama Medical Center, Saitama Medical University Institutional Review Board.
Informed consent statement: All study participants provided informed consent prior to study enrollment.
Conflict-of-interest statement: No financial relationships relevant to this publication were disclosed.
Data sharing statement: Technical appendix, statistical code, and dataset available from the corresponding author at ryuichi5118@gmail.com. Participants gave informed consent for data sharing.
Open-Access: This article is an open-access article which was selected byan 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: Ryuichi Yamamoto, MD, PhD, Department of Gastroenterology and Hepatology, Saitama Medical Center, Saitama Medical University, 1981, Kamoda, Kawagoe, Saitama 350-8550, Japan. ryuichi5118@gmail.com
Telephone: +81-49-2283564 Fax: +81-49-2256649
Received: November 21, 2014
Peer-review started: November 23, 2014
First decision: December 12, 2014
Revised: May 2, 2015
Accepted: June 18, 2015
Article in press: June 19, 2015
Published online: July 25, 2015
Processing time: 255 Days and 22.1 Hours
Core Tip

Core tip: Single-step placement of expandable metallic stents for treating malignant biliary obstruction is useful for shortening hospitalization. To maximize symptomatic relief and cost benefits, stent placement should not be delayed after deciding on metal stent palliation.