• Nutrition · Nov 2023

    Review

    Polypharmacy and malnutrition in older people: A narrative review.

    • Michela Zanetti, Nicola Veronese, Sergio Riso, Virginia Boccardi, Carolina Bolli, Marco Cintoni, FrancescoVincenzo DiVDGeriatric Unit A, Azienda Ospedaliera Universitaria Integrata Verona, Verona, Italy., Liliana Mazza, Giovanna Onfiani, Davide Zenaro, and Alberto Pilotto.
    • Geriatric Clinic, Maggiore Hospital of Trieste, Azienda Sanitaria Universitaria Integrata Giuliano Isontina, Trieste, Italy; Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy. Electronic address: zanetti@units.it.
    • Nutrition. 2023 Nov 1; 115: 112134112134.

    AbstractPolypharmacy is the simultaneous use of multiple medicines, usually more than five. Polypharmacy is highly prevalent among older individuals and is associated with several adverse health outcomes, including frailty. The role of polypharmacy in nutritional status seems to be crucial: although a clear association between polypharmacy and malnutrition has been widely reported in older people, the magnitude of the effect of increased number of drugs in combination with their type on the risk for malnutrition remains to be largely explored. Therefore, this review aims to discuss the association between polypharmacy and malnutrition in older people and to provide suggestions for its management. Polypharmacy is prevalent among malnourished frail patients, and the relative contribution of comorbidities and polypharmacy to malnutrition is difficult to be determined. Several mechanisms by which commonly used medications have the potential to affect nutritional status have been identified and described. Deprescribing (i.e., a systematic process of identification and discontinuation of drugs or a reduction of drug regimens) could be an essential step for minimizing the effects of polypharmacy on malnutrition. In this regard, the literature suggests that in older patients taking several medications, the best method to solve this problem is the comprehensive geriatric assessment, based on a holistic approach, including drug review, to find potential unnecessary and inappropriate medications. Nutritional and deprescribing interventions must be tailored to patient needs and to the local context to overcome barriers when applied in different settings.Copyright © 2023 Elsevier Inc. All rights reserved.

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