Publication Name	World Journal of Gastroenterology
Manuscript ID	34586
Country	Japan

Received	2017-05-16 01:06
Peer-Review Started	2017-05-17 09:10
To Make the First Decision	2017-06-22 00:39
Return for Revision	2017-06-23 10:37
Revised	2017-07-04 13:40
Second Decision	2017-08-02 00:37
Accepted by Journal Editor-in-Chief
Accepted by Executive Editor-in-Chief	2017-08-08 05:48
Articles in Press	2017-08-08 05:48
Publication Fee Transferred	2017-08-22 04:02
Edit the Manuscript by Language Editor
Typeset the Manuscript	2017-09-06 02:43
Publish the Manuscript Online	2017-09-14 03:13

ISSN	1007-9327 (print) and 2219-2840 (online)
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/
Copyright	© The Author(s) 2017. Published by Baishideng Publishing Group Inc. All rights reserved.
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Category	Gastroenterology & Hepatology
Manuscript Type	Retrospective Study
Article Title	Predictive factors for the failure of endoscopic stent-in-stent self-expandable metallic stent placement to treat malignant hilar biliary obstruction
Manuscript Source	Unsolicited Manuscript
All Author List	Mitsuru Sugimoto, Tadayuki Takagi, Rei Suzuki, Naoki Konno, Hiroyuki Asama, Ko Watanabe, Jun Nakamura, Hitomi Kikuchi, Yuichi Waragai, Mika Takasumi, Yuki Sato, Takuto Hikichi and Hiromasa Ohira
ORCID	Author(s) ORCID Number Mitsuru Sugimoto http://orcid.org/0000-0002-4223-613X Tadayuki Takagi http://orcid.org/0000-0003-0696-5973 Rei Suzuki http://orcid.org/0000-0002-4049-0484 Naoki Konno http://orcid.org/0000-0001-9830-4317 Hiroyuki Asama http://orcid.org/0000-0002-0102-0404 Ko Watanabe http://orcid.org/0000-0003-3895-7636 Jun Nakamura http://orcid.org/0000-0001-6006-1778 Hitomi Kikuchi http://orcid.org/0000-0003-0583-1623 Yuichi Waragai http://orcid.org/0000-0003-3347-8759 Mika Takasumi http://orcid.org/0000-0002-6025-8084 Yuki Sato http://orcid.org/0000-0001-8000-0972 Takuto Hikichi http://orcid.org/0000-0002-9815-1557 Hiromasa Ohira http://orcid.org/0000-0003-4331-0634
Funding Agency and Grant Number
Corresponding Author	Tadayuki Takagi, Associate Professor, Department of Gastroenterology and Rheumatology, Fukushima Medical University, 1 Hikarigaoka, Fukushima 960-1247, Japan. daccho@fmu.ac.jp
Key Words	Endoscopic stent-in-stent self-expandable metallic stent placement; Predictive factor; Endoscopic retrograde cholangiopancreatography; Malignant hilar biliary obstruction; Self-expandable metallic stent
Core Tip	We investigated the factors predictive of failure when placing multiple endoscopic self-expandable metallic stents (SEMSs) to relieve a malignant biliary obstruction. The angle between the target biliary duct stricture and the first implanted SEMS was significantly higher in the failure than in the success group. There were significantly fewer wire or dilation devices passing the first SEMS cell in the failure group than in the success group. The angle was significantly smaller in patients with wire or dilation devices passing the first SEMS cell. In conclusion, a large angle was identified as a predictive factor for failure of stent-in-stent SEMS placement.
Publish Date	2017-09-14 03:13
Citation	Sugimoto M, Takagi T, Suzuki R, Konno N, Asama H, Watanabe K, Nakamura J, Kikuchi H, Waragai Y, Takasumi M, Sato Y, Hikichi T, Ohira H. Predictive factors for the failure of endoscopic stent-in-stent self-expandable metallic stent placement to treat malignant hilar biliary obstruction. World J Gastroenterol 2017; 23(34): 6273-6280
URL	http://www.wjgnet.com/1007-9327/full/v23/i34/6273.htm
DOI	http://dx.doi.org/10.3748/wjg.v23.i34.6273

Full Article (PDF)	WJG-23-6273.pdf
Full Article (Word)	WJG-23-6273.doc
Manuscript File	34586-Review.docx
Answering Reviewers	34586-Answering reviewers.pdf
Audio Core Tip	34586-Audio core tip.wav
Biostatistics Review Certificate	34586-Biostatistics statement.pdf
Conflict-of-Interest Disclosure Form	34586-Conflict-of-interest statement.pdf
Copyright License Agreement	34586-Copyright assignment.pdf
Approved Grant Application Form(s) or Funding Agency Copy of any Approval Document(s)	34586-Approved-Grant-Application-Form(s)-or-Funding-Agency-Copy-of-any-Approval-Document(s)-revision.docx
Signed Informed Consent Form(s) or Document(s)	34586-Informed consent statement.pdf
Institutional Review Board Approval Form or Document	34586-Institutional review board statement.pdf
Non-Native Speakers of English Editing Certificate	34586-Language certificate.pdf
Peer-review Report	34586-Peer-review(s).pdf
Scientific Misconduct Check	34586-Scientific misconduct check.pdf
Scientific Editor Work List	34586-Scientific editor work list.pdf