Depth of Anaesthesia and postoperative delirium

In the November 2021 BJA Broadcast, four of the authors of a randomised multicentre trial published in the November issue of the BJA (https://www.bjanaesthesia.org/article..., DOI:https://doi.org/10.1016/j.bja.2021.07..., PMID: 34465469), discuss the findings of the study. They explain the clinical and societal impact of postoperative delirium and discuss the evidence for an effect of depth of anaesthesia on the incidence of delirium.