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Dementia Care Research and Psychosocial Factors
Mari Kasai1, Kenichi Meguro1,2,
1Tohoku University, Sendai, Japan.
Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 25, 2025
Summary
Psychosocial interventions, including rehabilitation and nursing home residency, significantly improved quality-adjusted life year (QALY) and life expectancy in vascular dementia (VaD) patients. These findings highlight the positive impact of specialized care on VaD outcomes.
Area of Science:
- Gerontology
- Public Health
- Neurology
Background:
- Quality-adjusted life year (QALY) is crucial for health economic analyses in dementia care.
- Previous studies show psychosocial interventions impact Alzheimer's disease QALY and life expectancy.
- No prior research has investigated QALY for psychosocial interventions in vascular dementia (VaD).
Purpose of the Study:
- To evaluate the effectiveness of comprehensive psychosocial interventions on QALY and life expectancy in VaD patients.
- To address the gap in understanding the impact of psychosocial interventions on VaD outcomes.
Main Methods:
- Retrospective analysis of 144 VaD patients diagnosed using NINDS-AIREN criteria.
- Participants were categorized based on receiving professional rehabilitation and/or nursing home residency.
- QALY was calculated using established health state utility values for stroke severity.
Main Results:
- Both rehabilitation approach and nursing home residency showed significant main effects on QALY and life expectancy.
- The combination of rehabilitation and nursing home residency yielded the highest QALY and longest life expectancy.
- Age and sex adjustments confirmed the significant impact of nursing home residency on QALY and life expectancy.
Conclusions:
- Institutionalization and rehabilitation represent effective psychosocial interventions for VaD.
- Specialized psychosocial interventions can positively influence both quality of life and life expectancy in VaD patients.
- Age is a factor to consider when assessing QALY and life expectancy in VaD interventions.
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