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- W1967883313 abstract "Vitamin B12 deficiency is common in elderly persons, yet its role in dementia and psychiatric illness is unclear. The authors examined the relationship between vitamin B12 serum levels and cognitive and neuropsychiatric symptoms in dementia. Community-dwelling elderly subjects (N = 643) meeting NINCDS-ADRDA criteria for probable or possible Alzheimer disease (AD) underwent comprehensive neuropsychiatric evaluation and measurement of vitamin B12 serum levels. Thirty-seven subjects (5.7%) had low B12 serum levels (200 pcg/ml or less). Subjects with low B12 levels were significantly older and had significantly lower scores on the Mini-Mental State Exam and higher scores on the Blessed Dementia Scale, but not a different pattern of cognitive or behavior disturbances compared with the normal-B12 subjects. In AD, the prevalence of low vitamin B12 serum levels is consistent with that found in community-dwelling elderly persons in general but is associated with greater overall cognitive impairment. Vitamin B12 deficiency is common in elderly persons, yet its role in dementia and psychiatric illness is unclear. The authors examined the relationship between vitamin B12 serum levels and cognitive and neuropsychiatric symptoms in dementia. Community-dwelling elderly subjects (N = 643) meeting NINCDS-ADRDA criteria for probable or possible Alzheimer disease (AD) underwent comprehensive neuropsychiatric evaluation and measurement of vitamin B12 serum levels. Thirty-seven subjects (5.7%) had low B12 serum levels (200 pcg/ml or less). Subjects with low B12 levels were significantly older and had significantly lower scores on the Mini-Mental State Exam and higher scores on the Blessed Dementia Scale, but not a different pattern of cognitive or behavior disturbances compared with the normal-B12 subjects. In AD, the prevalence of low vitamin B12 serum levels is consistent with that found in community-dwelling elderly persons in general but is associated with greater overall cognitive impairment." @default.
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- W1967883313 date "2002-05-01" @default.
- W1967883313 modified "2023-10-18" @default.
- W1967883313 title "Cognitive and Behavioral Correlates of Low Vitamin B12 Levels in Elderly Patients With Progressive Dementia" @default.
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- W1967883313 doi "https://doi.org/10.1097/00019442-200205000-00012" @default.
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