Received: 6 July 2020
Accepted: 7 November 2020
First Online: 18 November 2020
Ethics approval and consent to participate
: The Cytosorb™ register was approved by the by the medical ethics committee of Jena and Brandenburg [AS 88(bB)/2015] in 2015. The local ethics committee did not feel compelled to make an extra vote regarding the retrospective analysis of the historical control group (decision letter 13th November 2019).
: Informed consent ahead of recruitment was not possible.
: No participant-specific data are published.
: GAS has received financial travel support for attending a symposium organised by CytoSorbents Europe GmbH in 2016. All other authors declare that there are no potential conflicts of interest to disclose.