Lean body weight-indexed O2 delivery during cardiopulmonary bypass and acute kidney injury

Howard H. Carter, William Dauch, Mary Dooley, Laura Dell, Richard NewlandThe Australian and New Zealand Collaborative Perfusion Registry, Department of Clinical Perfusion, Sir Charles Gairdner Hospital, Division of Cardiovascular Perfusion, College of Health Professions, Medical University of South Carolina, Cardiothoracic Surgery, Division of Surgery , Perioperative Medicine, Flinders Medical Centre, Bedford Park, College of Medicine and Public Health, Flinders University, Bedford Park

Perfusion

Published online on February 26, 2026

Abstract

Perfusion, Ahead of Print.
IntroductionMonitoring indexed oxygen delivery (DO2i) is recommended during cardiopulmonary bypass (CPB) and a predictor of acute kidney injury (AKI). The use of lean body mass-adjusted blood flow rates in obese patients during CPB may provide a valid ...