Abstract:
BACKGROUND:The Montreal Cognitive Assessment (MoCA) test has high sensitivity and specificity for detecting mild cognitive impairment or early dementia. How the MoCA score relates to findings of positron emission tomography imaging, however, remains unclear. OBJECTIVE:This prospective study examined the relationship between the Japanese version of the MoCA (MoCA-J) test and brain amyloid deposition or cerebral glucose metabolism among subjects with mild cognitive impairment. METHODS:A total of 125 subjects with mild cognitive impairment underwent the MoCA-J test, and amyloid- and 18F-fluorodeoxyglucose- positron emission tomography. Linear correlation analysis and multiple linear regression analysis were conducted to investigate the relationship between the MoCA-J score and demographic characteristics, amyloid deposition, and cerebral glucose metabolism. Moreover, Statistical Parametric Mapping 8 was used for a voxel-wise regression analysis of the MoCA-J score and cerebral glucose metabolism. RESULTS:The MoCA-J score significantly correlated with age, years of education, and the Mini-Mental State Examination score. After adjusting for age, sex, and education, the MoCA-J score significantly correlated negatively with amyloid retention (β= -0.174, p= 0.031) and positively with cerebral glucose metabolism (β= 0.183, p= 0.044). Statistical Parametric Mapping showed that Japanese version of MoCA score correlated with glucose metabolism in the bilateral frontal and parietal lobes, and the left precuneus. CONCLUSION:The total MoCA-J score correlated with amyloid deposition and frontal and parietal glucose metabolism in subjects with mild cognitive impairment. Our findings support the usefulness of the MoCA-J test for screening subjects at high risk for Alzheimer's disease.
journal_name
Curr Alzheimer Resjournal_title
Current Alzheimer researchauthors
Eguchi A,Kimura N,Aso Y,Yabuuchi K,Ishibashi M,Hori D,Sasaki Y,Nakamichi A,Uesugi S,Jikumaru M,Sumi K,Shimomura T,Matsubara Edoi
10.2174/1567205016666190805155230subject
Has Abstractpub_date
2019-01-01 00:00:00pages
852-860issue
9eissn
1567-2050issn
1875-5828pii
CAR-EPUB-100134journal_volume
16pub_type
杂志文章abstract::The aetiology of major neurodegenerative diseases such as Alzheimer's disease (AD) and Parkinson's disease (PD) is still unknown, but increasing evidences suggest that glutamate and mitochondria are two prominent players in the oxidative stress (OS) process that underlie these illnesses. Although AD and PD have distin...
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