Komanek, Thomas
Rabis, Marco
Omer, Saed
Peters, Jürgen
Frey, Ulrich H.
Funding for this research was provided by:
Ruhr-Universität Bochum
Article History
Received: 23 August 2022
Accepted: 21 February 2023
First Online: 28 February 2023
Declarations
:
: Approval by the ethics committee of the Medical Faculty of the University of Duisburg-Essen (No. 15–6633-BO) was obtained on 7 December 2015 (Chairperson Prof. W. Havers) and the study was registered in the German Register for Clinical Trials on 08/07/2016 (DRKS-ID DRKS00010666). The current study is a sub-study of another observational trial described elsewhere [CitationRef removed]. Patient selection with corresponding inclusion and exclusion criteria was performed as stated in the registration protocol. The study was conducted in accordance with the Declaration of Helsinki. Written informed consent was obtained from all eligible patients during the preoperative anaesthesiologic evaluation.
: Not applicable.
: The authors declare that they have no competing interests.