Delusions in patients with Alzheimer's disease: A multidimensional approach

Grazia D'Onofrio, Francesco Panza, Daniele Sancarlo, Francesco F. Paris, Leandro Cascavilla, Antonio Mangiacotti, Michele Lauriola, Giulia H. Paroni, Davide Seripa, Antonio Greco

Research output: Contribution to journalArticle

Abstract

In Alzheimer's disease (AD) patients with delusions, clinical outcomes and mortality result from a combination of psychological, biological, functional, and environmental factors. We determined the effect of delusions on mortality risk, clinical outcomes linked to comprehensive geriatric assessment (CGA), cognitive, depressive, and neuropsychiatric symptoms (NPS) in 380 consecutive AD patients with Mini-Mental State Examination, Clinical Dementia Rating scale, 15-item Geriatric Depression Scale, and Neuropsychiatric Inventory (NPI), assessing one-year mortality risk using the Multidimensional Prognostic Index (MPI). We included 121 AD patients with delusions (AD-D) and 259 AD patients without delusions (AD-noD). AD-D patients were significantly older, with higher age at onset and cognitive impairment, a more severe stage of dementia, and more depressive symptoms than AD-noD patients. Disease duration was slightly higher in AD-D patients than in those without delusions, although this difference was not statistically significant. At CGA, AD-D patients showed a higher grade of disability in basic and instrumental activities of daily living, and an increased risk of malnutrition and bedsores. The two groups of patients significantly differed in MPI score (AD-D: 0.65 versus AD-noD: 0.51, p<0.0001) and MPI grade. AD-D patients showed also a significant higher score in NPI of the following NPS than AD-noD patients: hallucinations, agitation/aggression, depression mood, apathy, irritability/lability, aberrant motor activity, sleep disturbances, and eating disorders. Therefore, AD-D patients showed higher dementia severity, and higher impairment in cognitive and depressive symptoms, and several neuropsychiatric domains than AD-noD patients, and this appeared to be associated with higher multidimensional impairment and increased risk of mortality.

Original languageEnglish
Pages (from-to)427-437
Number of pages11
JournalJournal of Alzheimer's Disease
Volume51
Issue number2
DOIs
Publication statusPublished - Mar 15 2016

Fingerprint

Delusions
Alzheimer Disease
Depression
Geriatric Assessment
Dementia
Mortality
Apathy
Equipment and Supplies
Neurobehavioral Manifestations
Pressure Ulcer
Hallucinations
Activities of Daily Living
Aggression
Age of Onset
Malnutrition

Keywords

  • Alzheimer's disease
  • comprehensive geriatric assessment
  • delusions
  • depressive symptoms
  • functional status
  • mortality
  • Multidimensional Prognostic Index
  • neuropsychiatric symptoms

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Geriatrics and Gerontology
  • Clinical Psychology

Cite this

Delusions in patients with Alzheimer's disease : A multidimensional approach. / D'Onofrio, Grazia; Panza, Francesco; Sancarlo, Daniele; Paris, Francesco F.; Cascavilla, Leandro; Mangiacotti, Antonio; Lauriola, Michele; Paroni, Giulia H.; Seripa, Davide; Greco, Antonio.

In: Journal of Alzheimer's Disease, Vol. 51, No. 2, 15.03.2016, p. 427-437.

Research output: Contribution to journalArticle

D'Onofrio, Grazia ; Panza, Francesco ; Sancarlo, Daniele ; Paris, Francesco F. ; Cascavilla, Leandro ; Mangiacotti, Antonio ; Lauriola, Michele ; Paroni, Giulia H. ; Seripa, Davide ; Greco, Antonio. / Delusions in patients with Alzheimer's disease : A multidimensional approach. In: Journal of Alzheimer's Disease. 2016 ; Vol. 51, No. 2. pp. 427-437.
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