Modifiable and nonmodifiable risk factors for postoperative delirium after cardiac surgery with cardiopulmonary bypass. - Burkhart CS; Dell-Kuster S; Gamberini M; Moeckli A; Grapow M; Filipovic M; Seeberger MD; Monsch AU; Strebel SP; Steiner LA (Journal of cardiothoracic and vascular anesthesia, 2010)