Supplementum 273: Abstracts Swiss Anaesthesia 2023, Joint Annual Meeting of the Swiss Society for Anaesthesiology and Perioperative Medicine and the Swiss Association for Anaesthesia Nursing (Lausanne, Switzerland, November 2−4, 2023). Swiss Med Wkly 2023, 153 (11), Suppl. 273. https://doi.org/10.57187/s.3604.