Prevalence of Dementia in Japan: A Systematic Review

Okamura, Hitoshi; Ishii, Shinya; Ishii, T; Eboshida, Akira

doi:10.1159/000353444

Cited by 48 publications

(36 citation statements)

References 37 publications

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“…Recent studies suggest that changes have been occurring, with decreases in the agespecific incidence or prevalence in the United States, United Kingdom, Sweden, the Netherlands, France, and Canada, probably reflecting reduced exposure to risk factors or increased resilience to cognitive decline, but in others, for example, Japan and China this is not the case (Chan et al 2013;Okamura et al 2013). Identifying and modifying risk could translate to a huge benefit for societies, individuals, and health care systems.…”

Section: Prevention Of Dementia Recommendationsmentioning

confidence: 99%

The Lancet Commission on Dementia Prevention, Intervention, and Care: a call for action

Orgeta

Mukadam

Sommerlad

et al. 2018

Ir. j. psychol. Med.

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The purpose of this Editorial is to summarise the key recommendations of the Lancet Commission on Dementia Prevention, Intervention, and Care, reporting on the best available evidence to date on what we can do to prevent and intervene for dementia. We briefly describe the new life-course model of dementia prevention incorporating nine modifiable risk factors and their potential effect in reducing individuals' risk of dementia. We also summarise the recommendations of the report about which pharmacological, psychological, and social interventions are effective, and improve outcomes for people with dementia and their families. Recent developments highlight that there is good potential for the prevention of dementia. Progress in evidence-based approaches indicate the potential for dementia care to be of high-quality and widely accessible. Acting upon this knowledge now will reduce the global burden of dementia and improve the lives of people living with dementia and their families.

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Section: Prevention Of Dementia Recommendationsmentioning

confidence: 99%

The Lancet Commission on Dementia Prevention, Intervention, and Care: a call for action

Orgeta

Mukadam

Sommerlad

et al. 2018

Ir. j. psychol. Med.

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“…[5][6][7] An independent study has also reported recent increases in the prevalence of dementia in Japan. 8 The higher medical expenditures incurred by nursing home residents with advanced dementia in the USA was found to be influenced by the lack of do not hospitalize orders, tube feeding, and not living in special care units. 9 In Germany, annual healthcare spending by dementia patients was reported to be three times that of patients without dementia.…”

Section: Introductionmentioning

confidence: 99%

The determinants of long-term care expenditure and their interactions

Lin

Otsubo

Sasaki

et al. 2016

International Journal of Healthcare Management

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Objective: A cross-sectional study was conducted to examine the factors associated with long-term care (LTC) expenditure among LTC service users in Kyoto Prefecture, Japan. Method: Using descriptive statistics and multiple linear regression analysis, we investigated the associations of gender, dementia, service type, and other factors with LTC expenditure. Result: Our regression analysis showed that older age, women, and higher care needs levels were significantly associated with higher LTC expenditure. Furthermore, women who used home care and community-based/other care services had higher expenditures than men who used the same services. In contrast, men who used facility care services had higher expenditures than women. Service users with dementia were also found to be significantly associated with higher LTC expenditure. Conclusion: There is a need for policy interventions that focus on gender differences and dementia when developing care service plans to ensure the sustainability of the LTC system.

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“…In contrast to the US and Europe, recent reviews have reported an increasing trend of dementia prevalence in Japan over last decades [21,22]. However, this finding might be driven by variation of study methods and characteristics of study populations over time [21,23].…”

Section: High-income Countries: Western Europe North America and Japanmentioning

confidence: 99%

“…However, this finding might be driven by variation of study methods and characteristics of study populations over time [21,23]. Despite potential bias in study designs and analysis methods, some studies applying the similar study methods in the small areas reported stability of dementia prevalence from 1980s to 1990s but with high prevalence in surveys after 2000 [22,24,25]. The prevalence of dementia in Japan could have potentially increased in recent 8-10 years but have been relatively stable before 2000.…”

Section: High-income Countries: Western Europe North America and Japanmentioning

confidence: 99%

Dementia: Time trends and policy responses

Matthews

Brayne

2014

Maturitas

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In recent years, dementia has been considered a public health priority and become a topic of major political interest. Recent reviews and studies have reported with varying degrees of alarm an impending and existing "dementia epidemic" with increasing predicted trends in prevalence and enormous numbers of people with dementia particularly in low- and middle-income countries (LMICs). However, robust evidence from dementia research in high-income countries suggests stable or decreased prevalence over the last decades. Current evidence is not sufficient to suggest increasing trends of prevalence in LMICs once variation in methodological factors and study populations are taken into account. Changes in diagnostic methods over the last decades substantially influence the identification of dementia cases with systematic difference between the resulting individual prevalence studies. Potential geographical variations at the country level might indicate potential risk factors at population levels or systematic difference in clinical application of dementia diagnosis. Although it is important and necessary to use information from dementia research for evidence-based policymaking, over-interpretation of results without carefully considering underlying factors could exaggerate the findings and influence policy planning in ways which do not serve current and future population best. Planning of dementia policy needs to take full cognisance of the provenance of the data being used and be integrated with policies which optimise health across the lifecourse.

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Prevalence of Dementia in Japan: A Systematic Review

Cited by 48 publications

References 37 publications

The Lancet Commission on Dementia Prevention, Intervention, and Care: a call for action

The Lancet Commission on Dementia Prevention, Intervention, and Care: a call for action

The determinants of long-term care expenditure and their interactions

Dementia: Time trends and policy responses

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