Impact of plate shape on the conservation of food praxis in institutionalised elderly adults with severe Alzheimer's disease or mixed dementia: Praxalim an observational before-after non-randomized study.

To investigate whether the shape of the food plate could affect the conservation of praxis in institutionalised elderly adults with severe Alzheimer's disease or mixed dementia. We conducted a monocentric, prospective, observational, before-after case-only study in 32 patients with a loss of the ability to self-feed. The primary objective was to assess the change of food praxis using the Blandford scale at 3 weeks after changing the food plate. Secondary variables included the impact of the change of diet on the food praxis at 6 weeks, the patient's autonomy in the food intake evaluated by Tully's Eating Behaviour Scale (EBS), and the enjoyment of eating assessed by Part D of the Alzheimer's Disease-Related Quality of Life (ADRQL) scale at 3 and 6 weeks. Results: At 3 weeks after changing the food plate we observed a significant decrease in the number of aversive feeding behaviours (Δ = -0.90 ± 2.23;

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© 2020 The Author(s). Published by Elsevier Ltd.

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The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.