Yamashita-Ichimura, Mari
Toyama, Emiko
Sasoh, Makoto
Shiwaku, Hironari
Yamashita, Kanefumi
Yamashita, Yuichi
Yamaura, Ken https://orcid.org/0000-0001-9392-1746
Article History
Received: 23 August 2017
Accepted: 23 February 2018
First Online: 27 February 2018
Compliance with ethical standards
:
: This retrospective study has been approved by the Institutional review board [IRB 14-1-12(13-157)] of Fukuoka University Hospital, Fukuoka, Japan and is registered on the UMIN clinical trial Registry (UMIN 20151210-135550). This study was presented at the meeting of Anesthesiology 2016.
: We didn’t obtain informed consent from the patients because this study was a retrospective study.