Critical Illness Clinical Trial
Official title:
Neuroinflammation During ICU-associated Delirium in Critically Ill Patients and Its Association With Structural and Functional Brain Alterations: a Nested Case-control Study
With the present study, the authors aim to improve the knowledge of the pathophysiology of ICU-related delirium. In particular, the authors would like to clarify the possible correlation between neuroinflammation, evaluated longitudinally by serum dosage of 20 different neuroinflammation biomarkers, and brain structural and functional alterations (using brain fMRI).
Pathophysiology of delirium is poorly understood; neuroinflammation and brain network
disruption are claimed as possible causes of delirium.
The authors want to clarify the role of the alterations of different cellular components of
neuroinflammation (neurons, glial cells, and endothelium) in delirium development. Moreover,
the authors want to understand whether the neuroinflammation process could cause permanent
structural and functional brain damage.
In a nested cross-sectional longitudinal case-control observational study in ICU admitted
patients.
The objectives of the studies are as follow: 1) Neuroinflammation biomarkers evaluation in
non-neurological ICU patients who develop delirium during ICU-stay (case) compared to matched
non-delirious ICU patients (control), and 2) their correlation with brain structural and
functional alterations evaluated with a resting-state fMRI protocol and PET.
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