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Peritoneal Dialysate Glucose Load and Systemic Glucose Metabolism in Non-Diabetics: Results from the GLOBAL Fluid Cohort Study.

Lambie, Mark; Chess, James; Do, Jun-Young; Noh, Hyunjin; Lee, Hi-Bahl; Kim, Yong-Lim; Summers, Angela; Williams, Paul Ford; Davison, Sara; Dorval, Marc; Topley, Nick; Davies, Simon John

Peritoneal Dialysate Glucose Load and Systemic Glucose Metabolism in Non-Diabetics: Results from the GLOBAL Fluid Cohort Study. Thumbnail


Authors

James Chess

Jun-Young Do

Hyunjin Noh

Hi-Bahl Lee

Yong-Lim Kim

Angela Summers

Paul Ford Williams

Sara Davison

Marc Dorval

Nick Topley



Abstract

BACKGROUND AND OBJECTIVES: Glucose control is a significant predictor of mortality in diabetic peritoneal dialysis (PD) patients. During PD, the local toxic effects of intra-peritoneal glucose are well recognized, but despite large amounts of glucose being absorbed, the systemic effects of this in non-diabetic patients are not clear. We sought to clarify whether dialysate glucose has an effect upon systemic glucose metabolism. METHODS AND MATERIALS: We analysed the Global Fluid Study cohort, a prospective, observational cohort study initiated in 2002. A subset of 10 centres from 3 countries with high data quality were selected (368 incident and 272 prevalent non-diabetic patients), with multilevel, multivariable analysis of the reciprocal of random glucose levels, and a stratified-by-centre Cox survival analysis. RESULTS: The median follow up was 5.6 and 6.4 years respectively in incident and prevalent patients. On multivariate analysis, serum glucose increased with age (ß = -0.007, 95%CI -0.010, -0.004) and decreased with higher serum sodium (ß = 0.002, 95%CI 0.0005, 0.003) in incident patients and increased with dialysate glucose (ß = -0.0002, 95%CI -0.0004, -0.00006) in prevalent patients. Levels suggested undiagnosed diabetes in 5.4% of prevalent patients. Glucose levels predicted death in unadjusted analyses of both incident and prevalent groups but in an adjusted survival analysis they did not (for random glucose 6-10 compared with <6, Incident group HR 0.92, 95%CI 0.58, 1.46, Prevalent group HR 1.42, 95%CI 0.86, 2.34). CONCLUSIONS: In prevalent non-diabetic patients, random glucose levels at a diabetic level are under-recognised and increase with dialysate glucose load. Random glucose levels predict mortality in unadjusted analyses, but this association has not been proven in adjusted analyses.

Journal Article Type Article
Acceptance Date Apr 29, 2016
Publication Date Jun 1, 2016
Publicly Available Date Mar 29, 2024
Journal PLoS One
Print ISSN 1932-6203
Publisher Public Library of Science
Peer Reviewed Peer Reviewed
Volume 11
Issue 6
Article Number e0155564
DOI https://doi.org/10.1371/journal.pone.0155564
Publisher URL http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0155564

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