Articles producció científica> Medicina i Cirurgia

Mediterranean diets and metabolic syndrome status in the PREDIMED randomized trial

  • Identification data

    Identifier: imarina:2652058
    Handle: https://hdl.handle.net/20.500.11797/imarina2652058
    Authors:
    Babio, NancyToledo, EstefaniaEstruch, RamonRos, EmilioMartinez-Gonzalez, Miguel ACastaner, OlgaBullo, MonicaCorella, DoloresAros, FernandoGomez-Gracia, EnriqueRuiz-Gutierrez, ValentinaFiol, MiquelLapetra, JoseLamuela-Raventos, Rosa MSerra-Majem, LluisPinto, XavierBasora, JosepSorli, Jose VSalas-Salvado, Jordi
    Abstract:
    Little evidence exists on the effect of an energy-unrestricted healthy diet on metabolic syndrome. We evaluated the long-term effect of Mediterranean diets ad libitum on the incidence or reversion of metabolic syndrome.We performed a secondary analysis of the PREDIMED trial--a multicentre, randomized trial done between October 2003 and December 2010 that involved men and women (age 55-80 yr) at high risk for cardiovascular disease. Participants were randomly assigned to 1 of 3 dietary interventions: a Mediterranean diet supplemented with extra-virgin olive oil, a Mediterranean diet supplemented with nuts or advice on following a low-fat diet (the control group). The interventions did not include increased physical activity or weight loss as a goal. We analyzed available data from 5801 participants. We determined the effect of diet on incidence and reversion of metabolic syndrome using Cox regression analysis to calculate hazard ratios (HRs) and 95% confidence intervals (CIs).Over 4.8 years of follow-up, metabolic syndrome developed in 960 (50.0%) of the 1919 participants who did not have the condition at baseline. The risk of developing metabolic syndrome did not differ between participants assigned to the control diet and those assigned to either of the Mediterranean diets (control v. olive oil HR 1.10, 95% CI 0.94-1.30, p = 0.231; control v. nuts HR 1.08, 95% CI 0.92-1.27, p = 0.3). Reversion occurred in 958 (28.2%) of the 3392 participants who had metabolic syndrome at baseline. Compared with the control group, participants on either Mediterranean diet were more likely to undergo reversion (control v. olive oil HR 1.35, 95% CI 1.15-1.58, p < 0.001; control v. nuts HR 1.28, 95% CI 1.08-1.51, p < 0.001). Participants in the group receiving olive oil supplementation sho

  • Others:

    Author, as appears in the article.: Babio, Nancy; Toledo, Estefania; Estruch, Ramon; Ros, Emilio; Martinez-Gonzalez, Miguel A; Castaner, Olga; Bullo, Monica; Corella, Dolores; Aros, Fernando; Gomez-Gracia, Enrique; Ruiz-Gutierrez, Valentina; Fiol, Miquel; Lapetra, Jose; Lamuela-Raventos, Rosa M; Serra-Majem, Lluis; Pinto, Xavier; Basora, Josep; Sorli, Jose V; Salas-Salvado, Jordi
    Department: Ciències Mèdiques Bàsiques Medicina i Cirurgia Bioquímica i Biotecnologia
    URV's Author/s: Babio Sánchez, Nancy Elvira / Basora Gallisa, Josep / Bulló Bonet, Mònica / Castro Salomó, Antoni / Fernández Ballart, Joan Domènech / Salas Salvadó, Jorge
    Keywords: Women Weight-loss Style diet Spanish men Prevalence Population Monounsaturated fat Cardiovascular risk-factors Body-fat distribution Adherence
    Abstract: Little evidence exists on the effect of an energy-unrestricted healthy diet on metabolic syndrome. We evaluated the long-term effect of Mediterranean diets ad libitum on the incidence or reversion of metabolic syndrome.We performed a secondary analysis of the PREDIMED trial--a multicentre, randomized trial done between October 2003 and December 2010 that involved men and women (age 55-80 yr) at high risk for cardiovascular disease. Participants were randomly assigned to 1 of 3 dietary interventions: a Mediterranean diet supplemented with extra-virgin olive oil, a Mediterranean diet supplemented with nuts or advice on following a low-fat diet (the control group). The interventions did not include increased physical activity or weight loss as a goal. We analyzed available data from 5801 participants. We determined the effect of diet on incidence and reversion of metabolic syndrome using Cox regression analysis to calculate hazard ratios (HRs) and 95% confidence intervals (CIs).Over 4.8 years of follow-up, metabolic syndrome developed in 960 (50.0%) of the 1919 participants who did not have the condition at baseline. The risk of developing metabolic syndrome did not differ between participants assigned to the control diet and those assigned to either of the Mediterranean diets (control v. olive oil HR 1.10, 95% CI 0.94-1.30, p = 0.231; control v. nuts HR 1.08, 95% CI 0.92-1.27, p = 0.3). Reversion occurred in 958 (28.2%) of the 3392 participants who had metabolic syndrome at baseline. Compared with the control group, participants on either Mediterranean diet were more likely to undergo reversion (control v. olive oil HR 1.35, 95% CI 1.15-1.58, p < 0.001; control v. nuts HR 1.28, 95% CI 1.08-1.51, p < 0.001). Participants in the group receiving olive oil supplementation showed significant decreases in both central obesity and high fasting glucose (p = 0.02); participants in the group supplemented with nuts showed a significant decrease in central obesity.A Mediterranean diet supplemented with either extra virgin olive oil or nuts is not associated with the onset of metabolic syndrome, but such diets are more likely to cause reversion of the condition. An energy-unrestricted Mediterranean diet may be useful in reducing the risks of central obesity and hyperglycemia in people at high risk of cardiovascular disease.ClinicalTrials.gov, no. ISRCTN35739639.© 2014 Canadian Medical Association or its licensors.
    Thematic Areas: Saúde coletiva Medicine, general & internal Medicine (miscellaneous) Medicine (all) Medicina ii Medicina i General medicine Educação física
    licence for use: https://creativecommons.org/licenses/by/3.0/es/
    ISSN: 08203946
    Author's mail: josep.basora@urv.cat monica.bullo@urv.cat josep.basora@urv.cat antoni.castro@urv.cat jordi.salas@urv.cat nancy.babio@urv.cat
    Author identifier: 0000-0002-0218-7046 0000-0001-5441-6333 0000-0003-2700-7459 0000-0003-3527-5277
    Record's date: 2024-10-12
    Papper version: info:eu-repo/semantics/publishedVersion
    Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
    Papper original source: Canadian Medical Association Journal. 186 (17): E649-E657
    APA: Babio, Nancy; Toledo, Estefania; Estruch, Ramon; Ros, Emilio; Martinez-Gonzalez, Miguel A; Castaner, Olga; Bullo, Monica; Corella, Dolores; Aros, Fern (2014). Mediterranean diets and metabolic syndrome status in the PREDIMED randomized trial. Canadian Medical Association Journal, 186(17), E649-E657. DOI: 10.1503/cmaj.140764
    Entity: Universitat Rovira i Virgili
    Journal publication year: 2014
    Publication Type: Journal Publications

  • Keywords:

    Medicine (Miscellaneous),Medicine, General & Internal
    Women
    Weight-loss
    Style diet
    Spanish men
    Prevalence
    Population
    Monounsaturated fat
    Cardiovascular risk-factors
    Body-fat distribution
    Adherence
    Saúde coletiva
    Medicine, general & internal
    Medicine (miscellaneous)
    Medicine (all)
    Medicina ii
    Medicina i
    General medicine
    Educação física

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