PMID: 15374058Sep 18, 2004Paper

Prevalence of senile dementia in a rural community in Japan: the Tajiri project

Archives of Gerontology and Geriatrics
H IshiiA Yamadori

Abstract

Knowledge of the prevalence of dementia in different age groups is needed for the planning of a health policy. This study shows the prevalence of dementia and magnetic resonance imaging (MRI) findings in elderly people aged 65 years and over, living in the town of Tajiri in the northern part of Japan. They were shown by two cognitive screening tests, the Mini-Mental State examination (MMS) and the Dementia Screening Test (DST) and medical diagnosis. Two subject groups were assessed, those who completed both tests (Subjects I, n=2066) and those from among the 200 'MRI-administered subjects' who were interviewed and diagnosed (Subjects II, n=170). For Subjects I, there were 6.3 and 10.2% 'dementia range' according to the severe and mild criteria, respectively. As for Subjects II, 9.4% were clinically diagnosed as having dementia. They met the National Institute of Neurological and Communicative Disorders and Stroke and the Alzheimer's Disease and Related Disorders Association (NINCDS-ADRDA) criteria of probable Alzheimer's disease (AD) or possible AD with cerebrovascular disease. The estimated prevalence rate of dementia was 8.0%. Visual ratings of brain atrophy using MRI disclosed two distribution patterns. The 'continuous' patt...Continue Reading

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Citations

Dec 18, 2003·Psychiatry and Clinical Neurosciences·Ryusaku HashimotoYasuyoshi Sekita
Dec 7, 2002·Alzheimer Disease and Associated Disorders·Junichi IshizakiAtsushi Yamadori
Sep 6, 2001·International Journal of Geriatric Psychiatry·H AmboA Yamadori
Jun 16, 2004·Alzheimer Disease and Associated Disorders·Kenichi MeguroYasuyoshi Sekita
Sep 6, 2001·International Journal of Geriatric Psychiatry·K MeguroA Yamadori

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