Delirium Clinical Trial
Official title:
Delirium, Electroencephalographic Alterations and Cortical Spreading Depression in Critical Illness
Delirium in the intensive care unit is an acutely developed brain dysfunction affecting up to 80 % of patients. It is associated with significantly increased morbidity and mortality during admission and post-discharge. The mechanism behind the condition is poorly understood but assumably multifactorial, and the purpose of this study is to investigate the pathophysiology further.
The pathophysiology behind delirium in critical illness is not clarified but assumed to
involve inflammation, changes in cerebral perfusion and neurotransmission, sleep deprivation
and the use of i.e. sedatives.
Cortical spreading depression is a phenomenon occuring in critically ill patients with acute
cerebral trauma and likely associated with significant secondary neuron damage.
The hypothesis is that
1. Delirium in critically ill patients without acute cerebral damage is a clinical
manifestation of cortical spreading depression and can be recorded in a noninvasive
direct current-electroencephalography
2. Electroencephalographic alterations or potentially specific signatures occur in
delirium and thus, delirium can be predicted by recording continuous alternate current
electroencephalography on admission in an ICU
;
Observational Model: Cohort, Time Perspective: Prospective
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