Journal
NUTRIENTS
Volume 11, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/nu11081951
Keywords
Alzheimer's disease; mild cognitive impairment; dementia; nutritional status; BPSD
Categories
Funding
- NCGG [27-21, 30-1]
- Japan Agency for Medical Research and Development [17dk0110018h0002]
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We examined the nutritional status and its association with behavioral psychiatric symptoms of dementia (BPSD) among 741 memory clinic patients (normal cognition (NC), 152; mild cognitive impairment (MCI), 271; early-stage Alzheimer disease (AD), 318). Nutritional status and BPSD were assessed using the Mini Nutritional Assessment Short-Form (MNA-SF) and the Dementia Behavior Disturbance Scale (DBD), respectively. Compared to subjects with NC, more subjects with MCI and early-stage AD were at risk of malnutrition (MNA-SF, 8-11: NC, 34.2%; MCI, 47.5%; early-stage AD, 53.8%) and were malnourished (MNA-SF, 0-7: NC, 4.6%; MCI, 5.9%; early-stage AD, 8.2%). Among patients with MCI or early-stage AD, those at risk of/with malnutrition showed higher DBD scores than those well-nourished (12.7 +/- 9.0 vs. 9.5 +/- 7.3; p < 0.001). Moreover, analysis of covariance adjusting for confounders showed that nutritional status was significantly associated with specific BPSD, including verbal aggressiveness/emotional disinhibition (F = 5.87, p = 0.016) and apathy/memory impairment (F = 15.38, p < 0.001), which were revealed by factor analysis of DBD. Our results suggest that malnutrition is common among older adults with mild cognitive decline, and possibility that nutritional problems are associated with individual BPSD.
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