Pre-ESRD Changes in Body Weight and Survival in Nursing Home Residents Starting Dialysis

Among patients receiving maintenance dialysis, weight loss at any body mass index is associated with mortality. However, it is not known whether weight changes before dialysis initiation are associated with mortality and if so, what risks are associated with weight gain or loss. Linking data from th...

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Bibliographic Details
Published in:Clinical journal of the American Society of Nephrology 2013-10, Vol.8 (10), p.1734-1740
Main Authors: Stack, Shobha, Chertow, Glenn M, Johansen, Kirsten L, Si, Yan, Kurella Tamura, Manjula
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Body Mass Index
Body Weight
Female
Humans
Kidney Failure, Chronic - mortality
Male
Middle Aged
Nursing Homes
Original
Renal Dialysis
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Summary:Among patients receiving maintenance dialysis, weight loss at any body mass index is associated with mortality. However, it is not known whether weight changes before dialysis initiation are associated with mortality and if so, what risks are associated with weight gain or loss. Linking data from the US Renal Data System to a national registry of nursing home residents, this study identified 11,090 patients who started dialysis between January of 2000 and December of 2006. Patients were categorized according to weight measured between 3 and 6 months before dialysis initiation and the percentage change in body weight before dialysis initiation (divided into quintiles). The outcome was mortality within 1 year of starting dialysis. There were 361 patients (3.3%) who were underweight (Quételet's [body mass] index
ISSN:1555-9041
1555-905X
DOI:10.2215/CJN.01410213