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Is weight loss more severe in older people with dementia?
journal contribution
posted on 2021-01-01, 00:00 authored by Alvin Surya Tjahyo, Joan Gandy, Judi PorterJudi Porter, Christiani Jeyakumar HenryWeight loss, a hallmark feature of dementia, is associated with higher mortality in older people. However, there is a lack of consensus in the literature as to whether the weight loss commonly observed in older people with dementia results from reduced energy intake and/or increased energy expenditure. Understanding the cause of energy imbalance in older people with dementia would allow more targeted interventions to avoid detrimental health effects in this vulnerable group. In this paper, we review studies that have considered weight change, energy intake, and energy expenditure in older people with and without dementia. We critically assess the studies’ methodology and outline the various factors which may decrease and increase energy intake and expenditure respectively in older people with and without dementia. Current available literature does not support the view that there is a lower energy intake and/or a higher energy expenditure in older people with dementia when compared to those without dementia. The need for more high-quality studies is also highlighted in order to shed more light towards this issue which continues to elude researchers and clinicians alike.
History
Journal
Journal of alzheimer's diseaseVolume
81Issue
1Pagination
57 - 73Publisher
IOS PressLocation
Amsterdam, The NetherlandsPublisher DOI
ISSN
1387-2877eISSN
1875-8908Language
engPublication classification
C1 Refereed article in a scholarly journalUsage metrics
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Ageddementiaenergy intakeenergy metabolismweight lossScience & TechnologyLife Sciences & BiomedicineNeurosciencesNeurosciences & NeurologyRESTING METABOLIC-RATEDAILY ENERGY-EXPENDITUREALZHEIMERS-DISEASEPHYSICAL-ACTIVITYNUTRITIONAL-STATUSPREDICTIVE EQUATIONSINDIRECT CALORIMETRYRACIAL-DIFFERENCESSENILE-DEMENTIAFOOD RECORDS
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