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Nutritional Supplementation and Dietary Advice in Geriatric Patients at Risk of Malnutrition

BACKGROUND & AIM: Effects of combined nutritional treatment of patients at risk of protein-energy malnutrition (PEM) discharged from a geriatric service were evaluated.

METHODS: Patients (n=108, age 85+/-6 years) at risk of malnutrition according to the short form of the mini nutritional assessment were randomly allocated to dietary counseling, including liquid and multivitamin supplementation, i.e. intervention (I, n=51) and to controls (C, n=57). Body weight, biochemical indices (e.g. insulin-like growth factor I (IGF-I)), Katz activities of daily living (ADL) index, mini mental status examination (MMSE) and quality of life (QoL) by SF-36 were assessed at the start of the study and after 4 months. Statistical analyses were performed on "intention-to-treat" and on "treated-as-protocol" bases.

RESULTS: Fifty-four patients, 29 in the I-group (86+/-7 years, 66% females) and 25 in the C-group (85+/-7 years, 72% females) completed the study according to the protocol. Both modes of analysis revealed a significant positive effect of the combined nutritional intervention on weight maintenance. Treated-as-protocol analyses showed that Katz ADL index improved in the I-group (p<0.001; p<0.05 between the groups). Serum IGF-I levels increased in the I-group (p<0.001), but were unchanged in the C-group (p=0.07 between the groups). QoL was assessed to be low and had not changed after nutritional treatment.

CONCLUSIONS: Combined nutritional intervention prevented weight loss and improved ADL functions in discharged geriatric patients at risk of malnutrition.



Authors: Persson M , Hytter-Landahl A , Brismar K , Cederholm T .
Department of Geriatric Medicine, Dalens Hospital and Karolinska Institutet, Stockholm, Sweden




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