Document Detail


Reduced quality-of-life ratings in mild cognitive impairment: analyses of subject and informant responses.
MedLine Citation:
PMID:  23018474     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVES: To determine whether quality-of-life (QOL) ratings are reduced in mild cognitive impairment (MCI) and analyze correlations between QOL ratings and cognitive, neuropsychiatric, and functional indices in MCI.
DESIGN: Cross-sectional.
SETTING: The Easton Center for Alzheimer's Disease Research at the University of California, Los Angeles.
PARTICIPANTS: A total of 205 individuals who met criteria for normal cognition (n = 97) or MCI (n = 108). The MCI group included amnestic (n = 72) and nonamnestic (n = 36) MCI.
MEASUREMENTS: QOL was assessed using subject and informant ratings on the Quality of Life-Alzheimer's Disease (QOL-AD) scale. Cognitive performance was assessed with the National Alzheimer's Disease Coordinating Center Uniform Data Set neuropsychological battery. Neuropsychiatric symptoms were assessed with the Geriatric Depression Scale (GDS) and the Neuropsychiatric Inventory. Functional abilities were assessed with the Functional Activities Questionnaire (FAQ).
RESULTS: The normal cognition group had significantly higher QOL-AD scores than the MCI group on both subject and informant assessments. Individual item analyses indicated that the largest group differences were seen on the mood and memory items. Similar QOL-AD scores were seen in the amnestic and nonamnestic MCI subgroups. Multiple regression analyses within the MCI group indicated that QOL-AD ratings were not correlated with neuropsychological performance. Subject QOL-AD ratings were inversely correlated with GDS scores and informant QOL-AD ratings were inversely correlated with GDS, Neuropsychiatric Inventory, and FAQ scores.
CONCLUSIONS: Significant declines in QOL are seen in MCI and are associated with neuropsychiatric symptoms and functional decline. Interventions targeting mood symptoms and/or instrumental activities of daily living may improve QOL in MCI.
Authors:
Edmond Teng; Kanida Tassniyom; Po H Lu
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry     Volume:  20     ISSN:  1545-7214     ISO Abbreviation:  Am J Geriatr Psychiatry     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-11-27     Completed Date:  2013-05-06     Revised Date:  2013-12-04    
Medline Journal Info:
Nlm Unique ID:  9309609     Medline TA:  Am J Geriatr Psychiatry     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1016-25     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Affect*
Aged
Aged, 80 and over
Cross-Sectional Studies
Dementia / psychology*
Female
Geriatric Assessment
Humans
Los Angeles
Male
Memory Disorders / psychology*
Middle Aged
Mild Cognitive Impairment / psychology*
Neuropsychological Tests
Quality of Life / psychology*
Questionnaires
Regression Analysis
Grant Support
ID/Acronym/Agency:
K08 AG 34628/AG/NIA NIH HHS; K23 AG 028727/AG/NIA NIH HHS; P50 AG 16570/AG/NIA NIH HHS; P50 AG016570/AG/NIA NIH HHS; U01 AG016976/AG/NIA NIH HHS
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