Journal
AUSTRALASIAN JOURNAL ON AGEING
Volume 36, Issue 3, Pages 186-192Publisher
WILEY
DOI: 10.1111/ajag.12417
Keywords
delirium; functional brain imaging; functional neuroimaging; review; systematic
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Funding
- Julia Lowy Foundation
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ObjectiveThis systematic review describes the current functional neuroimaging literature in delirium, discusses pathophysiological implications of these results and highlights areas for further study. MethodsIn accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, an extensive search of medical databases was undertaken, identifying eighteen studies of variable quality and design suitable for inclusion. ResultsFunctional neuroimaging has highlighted significant abnormalities during delirium, with disturbances in cerebral haemodynamics and functional connectivity potentially playing a key role in delirium pathophysiology. ConclusionsAlthough employing functional neuroimaging in delirium remains difficult, these findings demonstrate the potential of functional imaging to increase our understanding of the underlying mechanisms of delirium, to lead to more efficient interventions and targeted therapies and to reduce the burden of this underdiagnosed syndrome.
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