Interrelationship of preoperative anemia, intraoperative anemia, and red blood cell transfusion as potentially modifiable risk factors for acute kidney injury in cardiac surgery: a historical multicentre cohort study

Keyvan Karkouti, Hilary P. Grocott, Richard Hall, Michael E Jessen, Cornelis Kruger, Adam B. Lerner, Charles MacAdams, C. David Mazer, Étienne de Medicis, Paul Myles, Fiona Ralley, Michel R. Rheault, Antoine Rochon, Mark S. Slaughter, Andrew Sternlicht, Summer Syed, Terrence Waters