ID | 58591 |
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Author |
Takenoshita, Shintaro
Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
ORCID
Terada, Seishi
Department of Neuropsychiatry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Kaken ID
publons
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Kuwano, Ryozo
Asahigawaso Research Institute, Asahigawa Medical Welfare Center
Inoue, Tomokazu
Asahigawaso Research Institute, Asahigawa Medical Welfare Center
Cyoju, Atsushi
Asahigawaso Research Institute, Asahigawa Medical Welfare Center
Suemitsu, Shigeru
Asahigawaso Research Institute, Asahigawa Medical Welfare Center
Yamada, Norihito
Department of Neuropsychiatry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
ORCID
Kaken ID
researchmap
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Abstract | Background
There are only a few studies of the prevalence of dementia in people with intellectual disability (ID) without Down syndrome (DS), and there is a large difference in the prevalences between reported studies. Moreover, the prevalence of mild cognitive impairment (MCI) in ID has not been reported. We aimed to evaluate the prevalence of dementia in adults of all ages and the prevalence of MCI in people with ID. Furthermore, we tried to clarify the differences depending on the various diagnostic criteria.
Methods
The survey included 493 adults with ID at 28 facilities in Japan. The caregivers answered a questionnaire, and physicians directly examined the participants who were suspected of cognitive decline. Dementia and MCI were diagnosed according to ICD‐10, DC‐LD, and DSM‐5 criteria.
Results
The prevalence of dementia was 0.8% for the 45 to 54 years old group, 3.5% for the 55 to 64 years old group, and 13.9% for the 65 to 74 years old group in people with ID without DS. The prevalence of MCI was 3.1% for patients 45 to 54, 3.5% for patients 55 to 64, and 2.8% for patients 65 to 74 with ID without DS. DSM‐5 was the most inclusive in diagnosing dementia and MCI in people with ID.
Conclusions
People with ID without DS may develop dementia and MCI at an earlier age and higher rate than the general population. Among the diagnostic criteria, DSM‐5 was the most useful for diagnosing their cognitive impairment.
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Keywords | dementia
intellectual disability
mental retardation
mild cognitive impairment
prevalence of dementia
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Published Date | 2020-04
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Publication Title |
International Journal of Geriatric Psychiatry
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Volume | volume35
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Issue | issue4
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Publisher | Wiley
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Start Page | 414
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End Page | 422
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ISSN | 08856230
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NCID | AA10741078
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Content Type |
Journal Article
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language |
English
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OAI-PMH Set |
岡山大学
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File Version | author
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PubMed ID | |
DOI | |
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Related Url | isVersionOf https://doi.org/10.1002/gps.5258
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Funder Name |
Ministry of Education, Culture, Sports, Science and Technology
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助成番号 | 18K07560
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