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KMID : 0607520140220010023
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Korean Journal of Psychosomatic Medicine
2014 Volume.22 No. 1 p.23 ~ p.30
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Correlation of Behavioral and Psychological Symptoms and Homocysteine in Patients with Dementia of Alzheimer’s Type
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Lee Ji-Min
Im Woo-Young
Kim Hyun
Lee Kang-Joon
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Abstract
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Objectives : Homocysteine has been associated with cognitive impairment and various psychiatric symptoms. This study was designed to examine the relationship exists between plasma homocysteine concentration and behavioral and psychological symptoms of dementia(BPSD).
Methods : 41 subjects with dementia of Alzheimer’s type were included in this study. We carried out history taking, physical examination, and cognitive assessment for the diagnosis of dementia of Alzheimer’s type based on DSM-IV. We scored the Mini Mental State Examination(MMSE), Global Deterioration Scale(GDS), Clinical Dementia Rating(CDR), and the Korean Neuropsychiatric Inventory(K-NPI). We also measured levels of homocysteine, folate, and vitamin B12 in the plasma.
Results : We found statistically significant positive correlations between homocysteine concentration with NPI total score, and with scores of several sub-domains such as delusion, agitation/aggression, depression/dysphoria, and elation/euphoria. No significant correlation existed between homocysteine levels and scores of MMSE, GDS, and CDR.
Conclusions : This study shows that plasma homocysteine levels are associated with BPSD. Further research is necessary to identify pathophysiologic mechanisms underlying these relationships.
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KEYWORD
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Dementia of Alzheimer’s type, Homocysteine, BPSD
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