Which one is more important in traumatic brain injury: Hypotension or hypoxia?

In this study, the authors examined the association between hypoxia level and outcomes according to shock status in traumatic brain injury (TBI) patients. They found that the mortality rates were 49.4% in severe hypoxia, 30.7% in mild hypoxia, 18.5% in normoxia. Mortality rates were 47.1% in TBI patients with shock status and 20.5% in non-shock TBI patients. There was a trend toward worsened outcomes with mild and severe hypoxia in patient with and without shock, however, the only met statistical significance for patients with both severe hypoxia and non-shock status.
Source: The American Journal of Emergency Medicine - Category: Emergency Medicine Authors: Tags: Correspondence Source Type: research