Nadir oxygen delivery to the brain as a risk factor for post-operative neurocognitive impairment in patients undergoing coronary artery bypass grafting: A myth or fact

The nadir oxygen delivery is a risk factor for development of post-operative neurocognitive impairment. A level below 260 mL/min/m2 is generally associated with higher risk while a level below 220 mL/min/m2 carries the worst prognosis.