title: A reply.
authors.affiliation: Nelson R Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa. biccardb@ukzn.ac.za.
authors.forename: B M
authors.initials: BM
authors.lastname: Biccard
mesh_terms: D003693:Delirium / Q000517:prevention & control*; D006801:Humans; D019990:Perioperative Care / Q000379:methods*; D011183:Postoperative Complications / Q000517:prevention & control*