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Malnutrition is Associated with Behavioral and Psychiatric Symptoms of Dementia in Older Women with Mild Cognitive Impairment and Early-Stage Alzheimer’s Disease

Author:
Kimura, Ai, Sugimoto, Taiki, Kitamori, Kazuya, Saji, Naoki, Niida, Shumpei, Toba, Kenji, Sakurai, Takashi
Source:
Nutrients 2019 v.11 no.8
ISSN:
2072-6643
Subject:
Alzheimer disease, aggression, analysis of covariance, at-risk population, cognition, cognitive disorders, elderly, factor analysis, malnutrition, memory, nutrition assessment, nutritional status, patients, women
Abstract:
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&ndash;11: NC, 34.2%; MCI, 47.5%; early-stage AD, 53.8%) and were malnourished (MNA-SF, 0&ndash;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 &plusmn; 9.0 vs. 9.5 &plusmn; 7.3; p < 0.001). Moreover, analysis of covariance adjusting for confounders showed that nutritional status was significantly associated with specific BPSD, including &ldquo;verbal aggressiveness/emotional disinhibition&rdquo; (F = 5.87, p = 0.016) and &ldquo;apathy/memory impairment&rdquo; (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.
Agid:
6605258