Swiss Medical Weekly 2021. Supplementum 254: Swiss Anaesthesia 2021 – Abstracts of the joint annual congress of the Swiss Society for Anaesthesiology and Resuscitation and the Swiss Association of Nurse Anesthesists. Swiss Medical Weekly. 151, 4344 (Oct. 2021), w30095. DOI:https://doi.org/10.4414/SMW.2021.w30095.