(Bioengineer) – For decades, intensive care clinicians have hovered over arterial blood gas results in patients with devastating brain injuries, trying to decide exactly how much oxygen is enough — and how much is too much. A landmark analysis published in Neurocritical Care now offers the most precise answer yet, drawing on more than 13,000 mechanically ventilated patients across three large international datasets to define oxygen thresholds that minimize the risk of death in the intensive care unit.
The findings, generated with a sophisticated Bayesian statistical framework, suggest that the safe zone for arterial oxygen tension is considerably wider than current European guidelines recommend, while confirming that extreme oxygen levels on either end of the spectrum carry real danger. CONTINUE