Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 561603
Title Mediterranean style diet and kidney function loss in kidney transplant recipients
Author(s) Gomes-Neto, António W.; Osté, Maryse C.J.; Sotomayor, Camilo G.; Berg, Else van den; Geleijnse, Johanna Marianna; Berger, Stefan P.; Gans, Reinold O.B.; Bakker, Stephan J.L.; Navis, Gerjan J.
Source Clinical Journal of the American Society of Nephrology 15 (2020)2. - ISSN 1555-9041 - p. 238 - 246.
DOI https://doi.org/10.2215/CJN.06710619
Department(s) VLAG
Nutrition and Disease
Publication type Refereed Article in a scientific journal
Publication year 2020
Abstract

Background and objectives Despite improvement of short-term graft survival over recent years, long-term graft survival after kidney transplantation has not improved. Studies in the general population suggest the Mediterranean diet benefits kidney function preservation. We investigated whether adherence to the Mediterranean diet is associated with kidney outcomes in kidney transplant recipients. Design, setting, participants, & measurements We included 632 adult kidney transplant recipients with a functioning graft for ≥1 year. Dietary intake was inquired using a 177-item validated food frequency questionnaire. Adherence to the Mediterranean diet was assessed using a nine-point Mediterranean Diet Score. Primary end point of the study was graft failure and secondary end points included kidney function decline (doubling of serum creatinine or graft failure) and graft loss (graft failure or death with a functioning graft). Cox regression analyses were used to prospectively study the associations of the Mediterranean Diet Score with study end points. Results During median follow-up of 5.4 (interquartile range, 4.9–6.0) years, 76 participants developed graft failure, 119 developed kidney function decline, and 181 developed graft loss. The Mediterranean Diet Score was inversely associated with all study end points (graft failure: hazard ratio [HR], 0.68; 95% confidence interval [95% CI], 0.50 to 0.91; kidney function decline: HR, 0.68; 95% CI, 0.55 to 0.85; and graft loss: HR, 0.74; 95% CI, 0.63 to 0.88 per two-point increase in Mediterranean Diet Score) independent of potential confounders. We identified 24-hour urinary protein excretion and time since transplantation to be an effect modifier, with stronger inverse associations between the Mediterranean Diet Score and kidney outcomes observed in participants with higher urinary protein excretion and participants transplanted more recently. Conclusions Adherence to the Mediterranean diet is associated with better kidney function outcomes in kidney transplant recipients.

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