The Role of Neuro-Imaging in Elucidating Delirium Pathophysiology
Fearing, Michael A.
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CitationAlsop, DC, Michael A. Fearing, Keith Johnson, Reisa Sperling, Tamara G. Fong, and Sharon K. Inouye. 2006. The Role of Neuro-Imaging in Elucidating Delirium Pathophysiology. Journal of Gerontology: Medical Sciences 61A, no. 12: 1287–1293.
AbstractUnderstanding of delirium pathogenesis remains limited despite improved diagnosis, and elucidation of risk factors and prognosis. Major advances in neuroimaging offer the possibility of probing the mechanisms and networks involved in delirium and hence improving understanding of this often devastating syndrome. This review describes the current literature of imaging studies in delirium and related conditions, introduces some of the newer capabilities of neuroimaging with magnetic resonance imaging, positron emission tomography, and single photon emission computed tomography, and discusses how these techniques may be applied to the study of delirium. Despite considerable challenges in patient recruitment, study design, intersubject variability, and scanner and contrast agent availability, imaging offers great potential for the identification and clarification of pathogenic mechanisms of delirium and its long-term sequelae.
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