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KMID : 0869220090130020083
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Journal of Korean Geriatric Psychiatry
2009 Volume.13 No. 2 p.83 ~ p.90
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Correlation of Plasma Homocysteien and Folate Levels with White Matter Changes in Alzheimer’s Disease Patients
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Kim Shin-Gyeom
Jung Han-Yong
Lee So-Young
Shin Eun-Young
Jung Woo-Yeol
Park Jun-Ho
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Abstract
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Objectives: To explore the relationship of white matter changes (WMC) on magnetic resornance imaging (MRI) with plasma homocysteine and folate levels in Alzheimer’s disease (AD) patients.
Methods: Forty-one patients with probable AD were evaluated on WMC on brain MRI, plasma homocysteine and folate levels, and cerebrovascular risk factors. Subjects were divided into two groups according to WMC scores (lower group with <5 and higher group with ≥5). WMC were assessed by a scale of the European Task Force on Age-Related WMC.
Results: Plasma homocysteine levels were correlated with right frontal WMC and have a tendency of correlation with left frontal WMC. When subjects were divided into two groups: higher plasma homocysteine group (≥14 μmol/L) and lower plasma homocysteine group (<14 μmol/L), the former was significantly higher than the latter in both frontal WMC. In a logistic regression analysis, higher plasma homocysteine were not a significant risk factor for higher WMC. Increasing age was a only significant risk factor for higher WMC and correlated with both frontal WMC. There was no relationship folate with any WMC.
Conclusion: It is possible that plasma homocysteine levels have a region-specific correlation with frontal WMC in AD. However, it is important that effect of age on the relationship should be considered.
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KEYWORD
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White matter changes, Homocysteine, Alzheimer’s disease
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