Mediterranean style diet is associated with low risk of new-onset diabetes after renal transplantation

Maryse C J Osté, Eva Corpeleijn, Gerjan J Navis, Charlotte A Keyzer, S.S. Soedamah-Muthu, Else Van Den Berg, Douwe Postmus, Martin H De Borst, Daan Kromhout, Stephan J L Bakker

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)

Abstract

Objective
The incidence of new-onset diabetes after transplantation (NODAT) and premature mortality is high in renal transplant recipients (RTR). We hypothesized that a Mediterranean Style diet protects against NODAT and premature mortality in RTR.
Research design and methods
A prospective cohort study of adult RTR with a functioning graft for >1 year. Dietary intake was assessed with a 177-item validated food frequency questionnaire. Patients were divided based on a 9-point Mediterranean Style Diet Score (MDS): low MDS (0–4 points) versus high MDS (5–9 points). A total of 468 RTR were eligible for analyses. Logistic multivariable regression analyses were used to study the association of MDS with NODAT and Cox multivariable regression models for the association with all-cause mortality.
Results
Mean±SD age was 51.3±13.2 years and 56.6% were men. About 50% of the patients had a high MDS. During median follow-up of 4.0 (IQR, 0.4–5.4) years, 22 (5%) RTR developed NODAT and 50 (11%) died. High MDS was significantly associated with both a lower risk of NODAT (HR=0.23; 95% CI 0.09 to 0.64; p=0.004) and all-cause mortality (HR=0.51; 95% CI 0.29 to 0.89, p=0.02) compared to low MDS, independent of age and sex. Adjustment for other potential confounders, including total energy intake, physical activity and smoking status, did not materially change the results of the analyses.
Conclusions
Dietary habits leading to high MDS were associated with lower risk of NODAT. These results suggest that healthy dietary habits are of paramount importance for RTR.This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited
Original languageEnglish
Article numbere000283
JournalBMJ Open Diabetes Research & Care
Volume5
Issue number1
DOIs
Publication statusPublished - 1 Jan 2017

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