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  • Title: Associations between dietary patterns and arterial stiffness, carotid artery intima-media thickness and atherosclerosis.
    Author: Kesse-Guyot E, Vergnaud AC, Fezeu L, Zureik M, Blacher J, Péneau S, Hercberg S, Galan P, Czernichow S.
    Journal: Eur J Cardiovasc Prev Rehabil; 2010 Dec; 17(6):718-24. PubMed ID: 20431391.
    Abstract:
    BACKGROUND: Few studies have examined the association between global diet, assessed through dietary patterns, and arterial structure and function. The aim of this study was to investigate the relationship between carotid-femoral pulse-wave velocity (PWV), common carotid-arteries intima-media thickness (CCA-IMT) and plaques with dietary patterns measured 7.5 years earlier. DESIGN: A prospective cohort study between diet and markers of structure and function of large arteries. METHODS: Dietary patterns (linear combination of food consumption) were identified using principal component analysis among 1026 middle-aged participants in the SUpplémentation en VItamines et Minéraux AntioXydants (SU.VI.MAX) vascular substudy. Dietary data were based on repeated 24-h dietary records (at least three records during 2 years) obtained at inclusion. Carotid-femoral PWV was used to assess aortic stiffness. Carotid ultrasound examination included measurements of CCA-IMT and carotid plaques. RESULTS: Four dietary patterns were identified. In multivariate models, a significant positive association was observed between PWV and a dietary pattern positively correlated with meat and alcohol consumption and negatively correlated with fibers, vitamins B9 and C, β-carotene and calcium consumption. Adjusted PWV mean across tertiles of this pattern score was 11.15, 11.26 and 11.58 m/s in the first, second and third tertiles, respectively (P for trend=0.03). Others dietary patterns were not associated with PWV and we detected no association between dietary patterns and IMT or plaques. CONCLUSION: This study suggests that a nutritionally poor dietary pattern, characterized by a high meat and alcohol consumption and low micronutrients intake, is related to an increased stiffening of large arteries.
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