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Disability and its influence in nutritional assessment tools in elderly people living in nursing homes

Beatriz Lardiés-sánchez, Alejandro Sanz-paris, Javier Pérez-nogueras, Antonio Serrano-oliver, María Elena Torres-anoro, María Dolores Ballesteros-pomar

Introduction: Poor nutritional status is associated with increased morbidity and mortality, especially in older people.Objective: The aim of this study was to assess nutritional status in elderly nursing home residents with different nutritional test, and to determine which parameters used for nutritional assessment can be carried out in this population, which usually have a high prevalence of functionally dependent residents.Methods: A cross-sectional study was performed in 383 elderly. The nutritional assessment tools used were the Mini Nutritional Assessment (MNA), the new ESPEN consensus definition of malnutrition, and the tool for Controlling Nutritional Status (CONUT). Moreover, the ability to perform basic activities of daily living was assessed with the Barthel index (BI).Results: According to BI, 78.9% had a total dependence and only 20.9% could be weighed and heighed. The prevalence of malnutrition with MNA, ESPEN and CONUT was 21.3%, 17.6% and 20.7%, respectively. The agreement between MNA vs ESPEN criteria was moderate (κ= 0.483), but with CONUT was low.Conclusions: Nursing homes had a high percentage of totally dependent residents. This high degree of functional dependence made difficult to obtain some anthropometric parameters such as weight and height, which are essential to carry out most nutritional tests. MNA, CONUT and the new ESPEN criteria of malnutrition showed a high prevalence of malnutrition and risk of malnutrition in subjects in which they could be performed. 

Palabras Clave: elderly; nursing homes; nutritional assessment; disability.

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