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Title: Prospective associations between a priori dietary patterns adherence and kidney function in an elderly Mediterranean population at high cardiovascular risk
Authors: Valle-Hita, Cristina
Díaz-López, Andrés
Becerra-Tomás, Nerea
Martínez-González, Miguel A.
García, Verónica Ruiz
Corella, Dolores
Goday, Albert
Martínez, J. Alfredo
Alonso-Gómez, Ángel M.
Wärnberg, Julia
Vioque, Jesús
Romaguera, Dora
López-Miranda, José
Estruch, Ramon
Tinahones, Francisco J.
Lapetra, José
Serra Majem, Luis 
Cano-Ibáñez, Naomi
Tur, Josep A.
Rubín-García, María
Pintó, Xavier
Delgado-Rodríguez, Miguel
Matía-Martín, Pilar
Vidal, Josep
Fontao, Sebastian Mas
Daimiel, Lidia
Ros, Emilio
Toledo, Estefania
Sorlí, José V.
Roca, C.
Abete, Iztiar
Moreno-Rodriguez, Anai
Crespo-Oliva, Edelys
Candela-García, Inmaculada
Morey, Marga
Garcia-Rios, Antonio
Casas, Rosa
Fernandez-Garcia, Jose Carlos
Santos-Lozano, José Manuel
Diez-Espino, Javier
Ortega-Azorín, Carolina
Comas, M.
Zulet, M. Angeles
Sorto-Sanchez, Carolina
Ruiz-Canela, Miguel
Fitó, Montse
Salas-Salvadó, Jordi
Babio, Nancy
UNESCO Clasification: 3206 Ciencias de la nutrición
320610 Enfermedades de la nutrición
Keywords: Dash Diet
Dietary Patterns
Glomerular Filtration Rate
Kidney Function
Mediterranean Diet, et al
Issue Date: 2022
Journal: European Journal of Nutrition 
Abstract: Purpose: To assess the association between three different a priori dietary patterns adherence (17-item energy reduced-Mediterranean Diet (MedDiet), Trichopoulou-MedDiet and Dietary Approach to Stop Hypertension (DASH)), as well as the Protein Diet Score and kidney function decline after one year of follow-up in elderly individuals with overweight/obesity and metabolic syndrome (MetS). Methods: We prospectively analyzed 5675 participants (55–75 years) from the PREDIMED-Plus study. At baseline and at one year, we evaluated the creatinine-based estimated glomerular filtration rate (eGFR) and food-frequency questionnaires-derived dietary scores. Associations between four categories (decrease/maintenance and tertiles of increase) of each dietary pattern and changes in eGFR (ml/min/1.73m2) or ≥ 10% eGFR decline were assessed by fitting multivariable linear or logistic regression models, as appropriate. Results: Participants in the highest tertile of increase in 17-item erMedDiet Score showed higher upward changes in eGFR (β: 1.87 ml/min/1.73m2; 95% CI: 1.00–2.73) and had lower odds of ≥ 10% eGFR decline (OR: 0.62; 95% CI: 0.47–0.82) compared to individuals in the decrease/maintenance category, while Trichopoulou-MedDiet and DASH Scores were not associated with any renal outcomes. Those in the highest tertile of increase in Protein Diet Score had greater downward changes in eGFR (β: − 0.87 ml/min/1.73m2; 95% CI: − 1.73 to − 0.01) and 32% higher odds of eGFR decline (OR: 1.32; 95% CI: 1.00–1.75). Conclusions: Among elderly individuals with overweight/obesity and MetS, only higher upward change in the 17-item erMedDiet score adherence was associated with better kidney function after one year. However, increasing Protein Diet Score appeared to have an adverse impact on kidney health. Trial Registration Number: ISRCTN89898870 (Data of registration: 2014).
ISSN: 1436-6207
DOI: 10.1007/s00394-022-02838-7
Source: European Journal of Nutrition[ISSN 1436-6207], (Abril 2022)
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