The BMJ

The study team included, from left, David McIlroy, MD, Matthew Shotwell, PhD, Cassandra Hennessy, MS, and Frederic (Josh) Billings IV, MD. (photo by Donn Jones)

Study links excess oxygen during anesthesia to risk of organ injury

A Vanderbilt study found that higher levels of excess oxygen given to patients under general anesthesia add risk of injury to the kidneys, lungs and heart.