Relationship of behavioral and psychological symptoms to cognitive impairment and functional status in Alzheimer's disease.
作者信息
Harwood D G, Barker W W, Ownby R L, Duara R
机构信息
Wien Center for Alzheimer's Disease and Memory Disorders, Mount Sinai Medical Center and the University of Miami School of Medicine, Miami, FL 33140, USA.
出版信息
Int J Geriatr Psychiatry. 2000 May;15(5):393-400. doi: 10.1002/(sici)1099-1166(200005)15:5<393::aid-gps120>3.0.co;2-o.
OBJECTIVE
This cross-sectional study examined the relationship of behavioral and psychological symptoms to cognitive and functional impairment in Alzheimer's disease (AD).
DESIGN
One hundred and fourteen patients were evaluated consecutively at a university-affiliated outpatient memory disorders clinic and diagnosed with possible or probable Alzheimer's disease (AD) according to NINCDS-ADRDA criteria. Subjects were assessed with the Behavioral Pathology in Alzheimer's Disease Scale (BEHAVE-AD), Revised Memory and Behavior Problem Checklist (RMBPC), Blessed Dementia Scale (BDS), and Mini-Mental State Examination (MMSE).
RESULTS
Several symptoms of behavioral pathology showed associations with MMSE scores, including activity disturbances, delusions, and hallucinations. After controlling for the variance associated with the MMSE, activity disturbances, diurnal disturbances, delusions, and hallucinations were linked with BDS scores.
CONCLUSIONS
The results suggest that some non-cognitive symptoms may be related to the neurobiologic mechanisms underlying the increased cognitive dysfunction in AD. Specific symptoms of behavioral pathology may also impact a patient's ability to perform important self-maintenance behaviors.
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