Potentially modifiable determinants of malnutrition in older adults: A systematic review
Sulmont Rossé, C.
De Groot, L.C.P.G.M.
van de Rest, O.
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CitationO'Keeffe M, Kelly M, O'Herlihy E, O'Toole PW, Kearney PM, Timmons S, O'Shea E, Stanton C, Hickson M, Rolland Y and others. Potentially modifiable determinants of malnutrition in older adults: A systematic review. Clinical Nutrition 2019;38(6):2477-2498; doi http://dx.doi.org/10.1016/j.clnu.2018.12.007.
AbstractBackground & aims Malnutrition in older adults results in significant personal, social, and economic burden. To combat this complex, multifactorial issue, evidence-based knowledge is needed on the modifiable determinants of malnutrition. Systematic reviews of prospective studies are lacking in this area; therefore, the aim of this systematic review was to investigate the modifiable determinants of malnutrition in older adults. Methods A systematic approach was taken to conduct this review. Eight databases were searched. Prospective cohort studies with participants of a mean age of 65 years or over were included. Studies were required to measure at least one determinant at baseline and malnutrition as outcome at follow-up. Study quality was assessed using a modified version of the Quality in Prognosis Studies (QUIPS) tool. Pooling of data in a meta-analysis was not possible therefore the findings of each study were synthesized narratively. A descriptive synthesis of studies was used to present results due the heterogeneity of population source and setting, definitions of determinants and outcomes. Consistency of findings was assessed using the schema: strong evidence, moderate evidence, low evidence, and conflicting evidence. Results Twenty-three studies were included in the final review. Thirty potentially modifiable determinants across seven domains (oral, psychosocial, medication and care, health, physical function, lifestyle, eating) were included. The majority of studies had a high risk of bias and were of a low quality. There is moderate evidence that hospitalisation, eating dependency, poor self-perceived health, poor physical function and poor appetite are determinants of malnutrition. Moderate evidence suggests that chewing difficulties, mouth pain, gum issues co-morbidity, visual and hearing impairments, smoking status, alcohol consumption and physical activity levels, complaints about taste of food and specific nutrient intake are not determinants of malnutrition. There is low evidence that loss of interest in life, access to meals and wheels, and modified texture diets are determinants of malnutrition. Furthermore, there is low evidence that psychological distress, anxiety, loneliness, access to transport and wellbeing, hunger and thirst are not determinants of malnutrition. There appears to be conflicting evidence that dental status, swallowing, cognitive function, depression, residential status, medication intake and/or polypharmacy, constipation, periodontal disease are determinants of malnutrition. Conclusion There are multiple potentially modifiable determinants of malnutrition however strong robust evidence is lacking for the majority of determinants. Better prospective cohort studies are required. With an increasingly ageing population, targeting modifiable factors will be crucial to the effective treatment and prevention of malnutrition.
FunderAustrian Federal Ministry of Education, Science and Research; Ecole Supérieure d’Agricultires; Federal Ministry of Food and Agriculture (BMEL); Institut National de la Recherche Agronomique; Federal Ministry of Food and Agriculture; Department of Agriculture, Food and the Marine; Health Research Board; Instituto de Salud Carlos III, Spain; The Netherlands Organisation for Health Research and Development; MaNuEL Knowledge Hub
Grant NumberBMWFW-10.420/0003-WF/V/3C/2016; FAU: 2815ERA10E; BIPS: 815ERA09E; 15HDHL2; 529051008
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