From the *Department of Anesthesia and Perioperative Medicine, Evidence-Based Perioperative Clinical Outcomes Research Group (EPiCOR), University of Western Ontario, London, ON, Canada; †High Impact Technology Evaluation Centre, London Health Sciences Centre, London, ON, Canada; ‡Department of Cardiothoracic Surgery, The Lankenau Hospital and the Lankenau Institute for Medical Research, Wynnewood, PA USA; §Division of Cardiothoracic Surgery, Emory University, Atlanta, GA USA; ¶Division of Cardiothoracic Surgery, Herz-und Gefasse Klinik Bad Neustadt, Bad Neustadt, Germany; and ∥Department of Cardiothoracic Surgery, Mid America Heart Institute, St. Luke's Hospital, Kansas City, MO USA.
Accepted for publication January 11, 2010.
Disclosure: John D. Puskas, MD, is a consultant for MAQUET, Inc, Wayne, NJ USA and Medtronic, Inc., Minneapolis, MN USA.
Address correspondence and reprint requests to Davy C. H. Cheng, Department of Anesthesia and Perioperative Medicine, London Health Sciences Centre-UH, 339 Windermere Road, C3-172, London, ON, Canada N6A 5A5. Email: email@example.com.