期刊
DIABETES CARE
卷 38, 期 11, 页码 2134-2141出版社
AMER DIABETES ASSOC
DOI: 10.2337/dc15-1117
关键词
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资金
- Spanish government, ISCIII [RTIC G03/140, RTIC RD 06/0045]
- Centro Nacional de Investigaciones Cardiovasculares [CNIC 06/2007]
- Fondo de Investigacion Sanitaria Fondo Europeo de Desarrollo Regional [PI04/2239, PI05/2584, CP06/00100, PI07/0240, PI07/1138, PI07/0954, PI07/0473, PI10/01407, PI10/02658, PI11/01647, P11/02505, PI13/00462]
- Ministerio de Ciencia e Innovacion [AGL-2009-13906-C02, AGL2010-22319-C03]
- Fundacion Mapfre
- RecerCaixa [2013ACUP00194]
- Consejeria de Salud de la Junta de Andalucia [PI0105/2007]
- Public Health Division of the Department of Health of the Autonomous Government of Catalonia
- Generalitat Valenciana [ACOMP06109, GVA-COMP2010-181, GVACOMP2011-151, CS2010-AP-111, CS2011-AP-042]
- Regional Government of Navarra [P27/2011]
OBJECTIVE To date no clinical trials have evaluated the role of dietary patterns on the incidence of microvascular diabetes complications. We hypothesized that a nutritional intervention based on the Mediterranean diet (MedDiet) would have greater protective effect on diabetic retinopathy and nephropathy than a low-fat control diet. RESEARCH DESIGN AND METHODS This was a post hoc analysis of a cohort of patients with type 2 diabetes participating in the PREvencion con Dleta MEDiterranea (PREDIMED) study, a multicenter randomized nutritional intervention trial conducted in a population at high cardiovascular risk. Individuals with type 2 diabetes who were free of microvascular complications at enrollment (n = 3,614, aged 55-80 years) were randomly assigned to one of three dietary interventions: MedDiet supplemented with extravirgin olive oil (MedDiet+EVOO), Med Diet supplemented with mixed nuts (MedDiet+Nuts), or a low-fat control diet. Two independent outcomes were considered: new onset of diabetic retinopathy and nephropathy. Hazard ratios (HRs) were calculated using multivariable-adjusted Cox regression. RESULTS During a median follow-up of 6.0 years, we identified 74 new cases of retinopathy and 168 of nephropathy. Compared with the control diet, multivariable-adjusted HRs for diabetic retinopathy were 0.56 (95% CI 0.32-0.97) for the MedDiet+EVOO and 0.63 (0.35-1.11) for the MedDiet+Nuts. No between-group differences were found for nephropathy. When the yearly updated information on adherence to the Med Diet was considered, the HR for retinopathy in the highest versus the lowest quintile was 0.34 (0.13-0.89; P = 0.001 for trend). No significant associations were found for nephropathy. CONCLUSIONS A Med Diet enriched with EVOO may protect against diabetic retinopathy but not diabetic nephropathy.
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