Opioid-sparing effect of selective cyclooxygenase-2 inhibitors on surgical outcomes after open colorectal surgery within an enhanced recovery after surgery protocol
Varut Lohsiriwat, Division of Colon and Rectal Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
Author contributions: Lohsiriwat V solely contributed to this article.
Institutional review board statement: The study was reviewed and approved by the Siriraj Institutional Review Board (SIRB COA No. Si014/2013).
Informed consent statement: As the study is a retrospective review, a waiver of informed consent was approved by the Siriraj Institutional Review Board.
Conflict-of-interest statement: Varut Lohsiriwat has received fees for serving as a speaker for Pfizer, MSD and Johnson and Johnson (Thailand) Limited.
Data sharing statement: The original anonymous dataset is available on request from the corresponding author at email@example.com.
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: Varut Lohsiriwat, MD, PhD, Associate Professor of Surgery, Division of Colon and Rectal Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wang-Lung Road, Bangkok Noi, Bangkok 10700, Thailand. firstname.lastname@example.org
Telephone: +66-2-4198005Fax: +66-2-4121370
Received: February 21, 2016
Peer-review started: March 2, 2016
First decision: April 6, 2016
Revised: April 9, 2016
Accepted: April 21, 2016
Article in press: April 22, 2016
Published online: July 15, 2016