Acute brain injury is a serious condition that often results in admission to an intensive care unit. Some of the most seriously ill patients are fitted with multimodal neuromonitoring, a newer monitoring modality that can, among other things, measure oxygen tension and sugar levels in brain tissue. It is common clinical practice, but the interaction between the body's sugar levels and the brain's sugar levels is not sufficiently elucidated. The study will investigate the relationship between the body's sugar levels, measured in arterial and venous blood, and the brain's sugar level, measured by microdialysis, in patients with severe acute brain injury. Furthermore, we hope to be able to use our measurements to set up a mathematical model for the brain's sugar uptake.
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(Change in) MD-glucose (mmol/L)
Timeframe: Throughout the intervention, approximately five hours