Cited by 595Intensive Care Unit Cognitive DisordersDementia and Cognitive Impairment ResearchAlcoholism and Thiamine Deficiency

The interface between delirium and dementia in elderly adults

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Fong, Tamara G, Davis, Daniel, Growdon, Matthew E, Albuquerque, Asha, Inouye, Sharon K·2015·The Lancet Neurology

Abstract

Delirium and dementia are two of the most common causes of cognitive impairment in older populations, yet their interrelation remains poorly understood. Previous studies have shown that dementia is the leading risk factor for delirium and that delirium is an independent risk factor for subsequent development of dementia. However, a major area of controversy is whether delirium is simply a marker of vulnerability to dementia, whether the effect of delirium is solely related to its precipitating factors, or whether delirium itself can cause permanent neuronal damage and lead to dementia. Ultimately, all of these hypotheses are likely to be true. Emerging evidence from epidemiological, clinicopathological, neuroimaging, biomarker, and experimental studies lends support to a strong relation between delirium and dementia, and to both shared and distinct pathological mechanisms. New preventive and therapeutic approaches that target delirium might offer a sought-after opportunity for early intervention, preservation of cognitive reserve, and prevention of irreversible cognitive decline in ageing.

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  1. [37]American Psychiatric Association Diagnostic and Statistical Manual of Mental Disorders Third Edition (DSM-III) Washington, DC American Psychiatric Association 1980

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Authors
Fong, T. G., Davis, D., Growdon, M. E., Albuquerque, A., & Inouye, S. K.
Affiliations
  • Beth Israel Deaconess Medical Center (US)
  • MRC Unit for Lifelong Health and Ageing (GB)
  • Brigham and Women's Hospital (US)
  • Hebrew SeniorLife (US)
Corresponding author
Inouye, Sharon K
Venue
The Lancet Neurology
Publisher
Elsevier BV
Published
2015-08
Volume
14
Issue
8
Pages
823-832
ISSN
1474-4422 (ISSN-L)
OpenAlex
W1944250905
Cited by
595
References
98
Citations by year
2026: 39 · 2025: 55 · 2024: 50 · 2023: 60 · 2022: 76 · 2021: 85 · 2020: 69 · 2019: 57 · 2018: 29 · 2017: 40 · 2016: 26 · 2015: 8 · 2014: 1
FWCI
4.92
Type
journal article
Language
en
Open access
Locations
  • The Lancet Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
US National Institute on Aging and by the Milton and Shirley F Levy Family Chair (grants P01AG031720 (SKI), R01AG044518 (SKI))
Topics
  • Health Sciences › Medicine › Critical Care and Intensive Care Medicine › Intensive Care Unit Cognitive Disorders
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Neurology › Alcoholism and Thiamine Deficiency
Keywords
delirium, dementia, older adults, cognitive impairment, dementia risk factors, neuronal injury, cognitive reserve, cognitive decline, early intervention, dementia prevention, neuroimaging biomarkers
MeSH terms
Aged, Aging, Delirium, Dementia, Humans

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