Title
Prevalence and associated behavioral symptoms of depression in mild cognitive impairment and dementia due to Alzheimer's disease Prevalence and associated behavioral symptoms of depression in mild cognitive impairment and dementia due to Alzheimer's disease
Author
Faculty/Department
Faculty of Pharmaceutical, Biomedical and Veterinary Sciences . Biomedical Sciences
Publication type
article
Publication
Chichester ,
Subject
Human medicine
Source (journal)
International journal of geriatric psychiatry: a journal of the psychiatry of late life and allied sciences. - Chichester
Volume/pages
28(2013) :9 , p. 947-958
ISSN
0885-6230
ISI
000322708800008
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Background Mild cognitive impairment (MCI) is a clinical concept that categorizes subjects who are in an intermediate cognitive state between normal aging and dementia. The aims of this study are to determine the prevalence of significant depressive symptoms in MCI and Alzheimer's disease (AD) patients and to characterize the behavior associated with significant depressive symptoms in MCI and AD patients. Methods A cross-sectional analysis of baseline data from a prospective, longitudinal study on behavioral symptoms of dementia and MCI was performed. The study population consisted of 270 MCI and 402 AD patients. Behavioral assessment was performed by means of Middelheim Frontality Score, Behavioral Pathology in Alzheimer's Disease Rating Scale (Behave-AD) and Cohen-Mansfield Agitation Inventory. The presence of significant depressive symptoms was defined as a Cornell Scale for Depression in Dementia total score >7. Results The prevalence of significant depressive symptoms in AD patients (25%) was higher compared with MCI patients (16%) (p  = 0.005). Patients with significant depressive symptoms showed an increased severity of frontal lobe symptoms, behavioral symptoms and agitation (Middelheim Frontality Score, Behave-AD and Cohen-Mansfield Agitation Inventory total scores; p < 0.001). Also, most of the individual frontal lobe and behavioral symptoms were more prevalent and severe, resulting in higher Behave-AD global scores. Mild cognitive impairment patients with depressive symptoms showed more severe behavioral symptoms and more severe verbally agitated behavior than AD patients without depressive symptoms (p < 0.001). Conclusions Frontal lobe and behavioral symptoms are more prevalent and severe in MCI and AD patients with significant depressive symptoms as compared with patients without depressive symptoms.
E-info
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