Effectiveness of interventions on feeding difficulties among people with dementia: A systematic review and meta-analysis.

OBJECTIVES: This systematic review and meta-analysis aimed to examine non-pharmacological interventions for helping people with dementia who experience feeding difficulties in order to improve their nutritional status. METHODS: The articles were searched using PsycINFO, Medline, PubMed, CINAHL and Cochrane. Two independent investigators critically appraised eligible studies. The PRISMA guidelines and checklist were used. The possibility of risk of bias was assessed using a tool to assess the quality of randomised control trials (RCT) and non-RCT studies. A narrative synthesis was conducted as a method of synthesis. The Cochrane Review Manager (RevMan 5.4) was used for meta-analysis. RESULTS: The systematic review and meta-analysis included seven publications. Six interventions were identified and categorised as: eating ability training for people with dementia, staff training and feeding assistance and support. The meta-analysis found evidence of the effect of eating ability training on feeding difficulty, quantified by the Edinburgh Feeding Evaluation in Dementia scale (EdFED) with a weighted mean difference of -1.36 (95% confidence interval: -1.84 to -0.89, p < 0.001) and on self-feeding time. A spaced retrieval intervention showed a positive effect on EdFED. The systematic review discovered that while feeding assistance had a positive effect on feeding difficulty, staff training had no effect. According to the meta-analysis, these interventions had no effect on improving the nutritional status of people with dementia. CONCLUSIONS: None of the included RCTs met the Cochrane risk-of-bias criteria for randomised trials. This review found that direct training for people with dementia and indirect feeding support from care staff resulted in fewer mealtime difficulties. More RCT studies are needed to determine the efficacy of such interventions.

Review of Food Intake Difficulty Assessment Tools for People with Dementia.

This review aimed to summarise the validity and reliability of feeding difficulties assessment tools for Individual with dementia. PubMed, PsycINFO, MEDLINE, CINAHL and Scopus were searched for feeding difficulty measurements studies published between 1990 and 2019. Sixteen publications were included and identified three tools: Edinburgh Feeding Evaluation in Dementia (EdFED), Feeding Behaviour Inventory (FBI), and Feeding Difficulty Index (FDI). Results showed the EdFED was translated and tested in various languages. The EdFED and FDI demonstrated high content and construct validity. The FBI was not validated. The EdFED had high inter-rater reliability, with Cronbach's alpha ranging from 0.75 to 0.90. The FDI and FBI showed moderate inter-rater reliability. Although the EdFED has been tested and widely used, unlike FDI, which addresses multi-aspects of feeding difficulty. The FDI have higher clinical utility but future research needs to test the psychometric properties of FDI to determine its effectiveness in assessing feeding difficulties.