Mild-to-moderate chronic kidney disease and geriatric outcomes: analysis of cross-sectional data from the Berlin Aging Study II

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Item Type:	Article
Title:	Mild-to-moderate chronic kidney disease and geriatric outcomes: analysis of cross-sectional data from the Berlin Aging Study II
Creators Name:	König, M., Gollasch, M., Spira, D., Buchmann, N., Hopfenmüller, W., Steinhagen-Thiessen, E. and Demuth, I.
Abstract:	Background: Mild-to-moderate chronic kidney disease (CKD G3a) is prevalent in older adults. Substantial evidence suggests that individuals with advanced CKD face a high risk for common geriatric conditions, like functional impairment and cognitive decline, whereas the relationships between mild-to-moderate CKD and functional impairment and cognitive decline, but also poor nutritional status and mood disorders, are still unclear. Objective: The aim of this study was to explore associations between mild-to-moderate CKD and impairments in the core domains of geriatric assessment (GA) in a large cohort of community-dwelling older adults. Methods: This was a cross-sectional analysis of 1,476 participants of the Berlin Aging Study II. Study participants were stratified as to presence or absence of CKD G3a (estimated glomerular filtration rate [eGFR] 45-59 mL/min/1.73 m2 vs. eGFR ≥60 mL/min/1.73 m2). GA comprised the following instruments: the Activities of Daily Living Scale (ADL), the Timed up and Go (TUG), the Tinetti test (Tinetti), the Mini-Mental-State Examination (MMSE), the Geriatric Depression Scale (GDS), and the Mini Nutritional Assessment (MNA). We used logistic regression models to estimate multivariable-adjusted associations between CKD G3a and impairments in the respective domains. Results: A total of 282 subjects with mild-to-moderate CKD (CKD G3a) were identified (19.1%). Overall, the prevalence of impairments identified was higher among subjects with compared to without CKD G3a (21 vs. 15.9%, p = 0.043). In multivariable-adjusted models, CKD G3a was consistently associated with increased odds of an impaired gait performance as to the TUG (adjusted odds ratio 2.06, 95% CI 1.04-4.09). In contrast, on average, individuals with and without CKD G3a did not differ as to their results in the MMSE, the ADL, the MNA, and the GDS. Conclusion: GA identified impairments in 21 versus 15.9% of older adults with and without mild-to-moderate CKD, respectively. However, except for an increased likelihood of impaired gait performance (TUG) with mild-to-moderate CKD, we did not find independent associations between mild-to-moderate CKD and geriatric conditions.
Keywords:	Chronic Kidney Disease, Assessment, Physical Function, Cognition, Mobility, Nutrition
Source:	Gerontology
ISSN:	0304-324X
Volume:	64
Number:	2
Page Range:	118-126
Date:	February 2018
Official Publication:	https://doi.org/10.1159/000484140
PubMed:	View item in PubMed

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