Cognitive trajectories 6 months after cardiac surgery in patients who experienced postoperative delirium

From the Department of Anaesthesiology (ND, CK, MM) and Department of Neurology (LQ), Cliniques Universitaires Saint-Luc, Brussels, Belgium (LQ) Correspondence to Céline Khalifa, Department of Anaesthesiology, Cliniques Universitaires Saint-Luc, 10 avenue Hippocrate, 1200 Brussels, Belgium. Tel: +32 2 764 18 21; e-mail: [email protected]