Preprocedure ultrasound imaging combined with palpation technique in epidural labor analgesia
Jian-Ping Wu, Yuan-Zhang Tang, Liang-Liang He, Jia-Xiang Ni, Department of Pain Management, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
Jian-Ping Wu, Wen-Xing Zhao, Jian-Xiong An, Department of Anesthesiology and Pain Medicine, Aviation General Hospital of China Medical University, Beijing Institute of Translational Medicine, Chinese Academy of Sciences, Beijing 100012, China
Author contributions: Wu JP conceived this study, collected the data, analyzed the formal, and drafted the manuscript; Tang YZ, He LL, and Zhao WX contributed to the investigation, methodology and writing, reviewing, and editing of the manuscript; An JX contributed to the project administration and writing, reviewing, and editing of the manuscript; Ni JX supervised the study and contributed to the project administration, resources, software and writing, reviewing, and editing of the manuscript; All authors proofread and approved the revised manuscript.
Institutional review board statement: This study was reviewed and approved by the Aviation General Hospital of China Medical University Institutional Review Board.
Clinical trial registration statement: The study is registered at Chinese Clinical Trial Registry, using identifier ChiCTR1800014782.
Informed consent statement: Informed written consent was obtained from every parturient.
Conflict-of-interest statement: No conflict-of-interest.
Data sharing statement: No additional data are available.
CONSORT 2010 statement: The authors have read the CONSORT 2010 statement, and the manuscript was prepared and revised according to the CONSORT 2010 statement.
: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (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/
Corresponding author: Jia-Xiang Ni, MD, Chief Doctor, Director, Professor, Department of Pain Management, Xuanwu Hospital of Capital Medical University, No. 45 Changchun Street, Xicheng District, Beijing 100053, China. email@example.com
Received: February 25, 2021
Peer-review started: February 25, 2021
First decision: April 14, 2021
Revised: April 19, 2021
Accepted: April 26, 2021
Article in press: April 26, 2021
Published online: July 26, 2021