The Effect of Cognitive Intervention on Cognitive Improvement in Patients with Dementia

Jo, Kyunghwa; Jhoo, Jin Hyeong; Mun, Young-Ju; Kim, Yeon Mi; Kim, Sung Keun; Kim, Seongheon; Lee, Seung-Hwan; Jang, Jae-Won

doi:10.12779/dnd.2018.17.1.23

Cited by 12 publications

(18 citation statements)

References 36 publications

(41 reference statements)

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“…Although these effects on cognitive and physical function were small, they were statistically significant and this finding is very promising in the face of a disease for which many treatments have been shown to be ineffective. This is consistent with a body of literature showing that cognitive stimulation can have positive effects on cognition of residents with Alzheimer’s disease [ 25 ]. Interestingly, in another context, Then et al showed that an enriched environment at work place was protective from incident dementia (odds ratio 0.61, 95%CI: 0.47–0.79) in the Leipzig longitudinal study of the aged [ 26 , 27 ], and the authors explained their finding by the effect of enriched environment on cognitive abilities and cognitive reserve.…”

Section: Discussionsupporting

confidence: 92%

Enriched gardens improve cognition and independence of nursing home residents with dementia: a pilot controlled trial

Bourdon

Belmin

2021

Alz Res Therapy

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Background Dementia is a major issue worldwide, and considerable efforts were made to design therapeutic mediation tools and evaluate their benefits on the health of patients. Methods Design: Multi-center cluster-controlled pilot trial. Settings and participants: Four nursing homes that offered separated access to one conventional sensory garden (CSG) and one enriched garden (EG). The participants were residents with dementia, independent for walking and with no severe dementia or behavioural troubles. Eligible residents were divided into three groups according to the proximity of their room: close to the CSG or EG gardens for the first two groups and further from the gardens for the third (control) group. Interventions: We asked staff members to frequently invite residents to visit the EG or the CSG depending on their group allocation. No invitation to gardens was made to the control group. We installed 12 enrichment modules in the EG that stimulated cognitive, independence and walking/balance functions. Measures: Cognitive function (MMSE), independence for activities of daily living (ADL) and risk of falls (unipodal stance and timed up and go – (TUG)) were assessed at baseline and after 6 months. Results The 120 participants were 81·0 ± 3·5 years old and comprised of 83 women. Their MMSE score was 17·5 ± 2·9. Patients’ characteristics were not significantly different between the three groups. Among the participants invited to visit the EG group, 6-month changes in MMSE showed improvement compared to other groups (+ 0·93 ± 0·65 vs −0·25 ± 0·71 and −0·24 ± 0·73 in the EG vs CSG and control groups, respectively, P < 0·0001). Changes in ADL, TUG and unipodal stance were significantly improved in the group visiting the EG as compared to other groups, which indicates better functioning. Conclusions EGs offer a new approach to therapeutic mediation for residents of nursing homes with dementia.

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Section: Discussionsupporting

confidence: 92%

Enriched gardens improve cognition and independence of nursing home residents with dementia: a pilot controlled trial

Bourdon

Belmin

2021

Alz Res Therapy

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“…We observed in the participants of the group Enriched garden a signi cant improvement in cognition that exceeded our expectations. This is consistent with a body of literature showing that cognitive stimulation can have positive effects on cognition of residents with Alzheimer's disease 24 . Interestingly, in another context, Then et al showed that an enriched environment at work place was protective from incident dementia (odds ratio 0.61, 95%CI: 0.47-0.79) in the Leipzig longitudinal study of the aged 25,26 , and the authors explained their nding by the effect of enriched environment on cognitive abilities and cognitive reserve.…”

Section: Discussionsupporting

confidence: 92%

Enriched gardens improve cognition and independence of nursing home residents with dementia: a controlled trial

Bourdon

Belmin

2021

Preprint

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Background: Dementia is a major issue worldwide, and considerable efforts were made to design therapeutic mediation tools and evaluate their benefits on the health of patients. Methods:Design: Multi-center cluster-controlled trial. Settings and participants: Four nursing homes that offered separated access to one conventional sensory garden (CSG) and one enriched garden (EG). The participants were residents with dementia, independent for walking and with no severe dementia or behavioural troubles. Eligible residents were distributed into three groups based on the proximity of their rooms to the CSG or EG for the first two groups respectively, and without easy access to either garden for the third (control) group. Interventions: We asked staff members to frequently invite residents to visit the EG or the CSG depending on their group allocation. No invitation to gardens was made to the controls. We installed 12 enrichment modules in the EG that stimulated cognitive and walking/balance functions.Measures: Cognitive function (MMSE), independence for activities of daily living (ADL) and risk of falls (unipodal stance and Timed up and go – (TUG)) were assessed at baseline and after six months.Results: The 120 participants were 81·0 +/- 3·5 years old and comprised of 83 women. Their MMSE score was 17·5 +/- 2·9. Patients characteristics were not significantly different between the three groups. Among the participants invited to visit the EG group, six months changes in MMSE showed improved compared to other groups (+ 0·93 +/- 0·65 vs -0·25 +/- 0·71 and -0·24 +/- 0·73 in the EG vs CSG and control groups, respectively, P < 0·0001). Changes in ADL, TUG and unipodal stance were significantly improved in the group visiting the EG as compared to other groups, which indicates better functioning. Conclusions: EGs offer a new approach to therapeutic mediation for residents of nursing homes with dementia.

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“…It may thus not reflect actual capabilities or adequately address cognitive functional problems. However, the Mini-Mental State Examination (MMSE) is a convenient alternative measure to detailed neuropsychological testing [54]. Its use allowed us to evaluate cognitive changes in a large number of subjects [53,55].…”

Section: Discussionmentioning

confidence: 99%

Differential Risk of Cognitive Impairment across Paid and Unpaid Occupations in the Middle-Age Population: Evidence from the Korean Longitudinal Study of Aging, 2006–2016

Chung

Kim

2020

IJERPH

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To examine and quantify the risk of cognitive impairment across a variety of occupations including unpaid work in a middle-age population using the dataset of a nationally representative longitudinal survey. A total of 20,932 observations of 5865 subjects aged 45–64 were obtained from six waves of the Korean Longitudinal Study of Aging (2006–2016). A dichotomous outcome variable was constructed on the basis of the Korean Versions of the Mini-Mental State Examination scores, and occupations were grouped into 10 occupation categories, including unpaid housekeepers. Socio-demographics, lifestyle, and medical conditions were used as covariates in mixed logistic regression models. Adjusted odds ratios and predicted probabilities of cognitive impairment were computed and adjusted for a complex survey design. In longitudinal models with all studied covariates, the risk of cognitive impairment differed significantly across occupation categories, but the association of occupation with the risk of cognitive impairment was the same between genders. In terms of the predicted probability, the risk of cognitive impairment in the unpaid housekeepers’ category (11.2%, 95% confidence interval (CI): 10.4% to 11.9%) was the highest among occupation categories, being three times higher than in the professionals’ and related workers’ category (3.7%, 95% CI: 1.6% to 5.7%). Public policies based on studies of the risk of cognitive impairment across different occupations in the middle-age population should be designed so as to prevent cognitive impairment in the middle-age population as well as their older life stages, particularly targeting high-risk groups such as people engaged in unpaid domestic and care activities.

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The Effect of Cognitive Intervention on Cognitive Improvement in Patients with Dementia

Cited by 12 publications

References 36 publications

Enriched gardens improve cognition and independence of nursing home residents with dementia: a pilot controlled trial

Enriched gardens improve cognition and independence of nursing home residents with dementia: a pilot controlled trial

Enriched gardens improve cognition and independence of nursing home residents with dementia: a controlled trial

Differential Risk of Cognitive Impairment across Paid and Unpaid Occupations in the Middle-Age Population: Evidence from the Korean Longitudinal Study of Aging, 2006–2016

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