Impacts de la consommation de produits laitiers faibles et riches en gras sur la tension artérielle et autres facteurs de risque cardiométabolique

Authors: Rancourt-Bouchard, Maryka
Advisor: Lamarche, Benoît
Abstract: Cardiovascular disease remains one of the leading causes of death worldwide and hypertension is a major risk factor. Healthy eating plays a key role in blood pressure (BP) management. Data from observational studies suggest that consumption of dairy products, particularly those low in fat, is associated with lower BP and lower risk of developing hypertension. However, the results of clinical studies suggest a neutral effect of dairyproductconsumption on office BP. The controlled feeding study conducted as part of this memoiraimed to evaluate the effect of milk and cheese consumption on daytime ambulatory BP and other cardiometabolic risk factors. In a cross-over design, 55 participants were randomly assigned to a sequence of 3 experimental isoenergetic diets of 6 weeks each : 1) a control dairy-freediet; 2) a diet comprising 3 portions of 1% low-fat milk; and 3) a diet comprising 1 portion of cheddar cheese (31% fat) naturally enriched in -aminobutyric acid. Both ambulatory and clinical BP values were similar after each diet. In subjects with baseline ambulatory diastolic BP below the median, the milk diet significantly decreased the daytime ambulatory diastolic BP by 2 mmHg compared with the control diet. These results suggest that short-term milk and cheese consumption has an overall neutral effect on BP.
Document Type: Mémoire de maîtrise
Issue Date: 2019
Open Access Date: 8 February 2019
Grantor: Université Laval
Collection:Thèses et mémoires

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