Key result
Total dairy product consumption was weakly but significantly associated with lower arterial stiffness (ES -0.03; 95% CI -0.04 to -0.01), with similar findings for cheese but not milk.
Why the study?
The study was conducted to determine the relationship between dairy product consumption and arterial stiffness measured by pulse wave velocity.
Is dairy product consumption associated with arterial stiffness measured by pulse wave velocity?
Meta-Analysis (n=16,443)
Is dairy product consumption associated with arterial stiffness measured by pulse wave velocity?
Total dairy and cheese consumption are weakly associated with lower arterial stiffness, suggesting no detrimental vascular effects from these dietary components.
Answers are grounded in this paper and cite their sources.
Supports no adverse vascular effects from dairy; leaves open causal inference and clinical relevance pending RCTs.
The aim of this review was to determine the relationship between dairy product consumption and arterial stiffness, measured by pulse wave velocity (PWV). We systematically searched the Medline, Embase and Web of Science databases until 30 January 2019 for cross-sectional data from studies addressing the association between dairy product consumption and PWV. This study was registered with PROSPERO (CRD42018110528). Both the inverse-variance fixed effects method and the DerSimonian and Laird method were used to compute pooled estimates of effect size (ES) and the respective 95% confidence intervals (CIs). Seven studies were included in the meta-analysis, with a total of 16,443 patients. Total dairy product (ES = −0.03; 95% CI [−0.04, −0.01]) and cheese (ES = −0.04; 95% CI [−0.07, −0.01]) consumption were weak, but significantly associated with lower PWV levels. Conversely, milk intake showed no significant association with PWV (ES = 0.02; 95% CI [−0.01, 0.05]). Heterogeneity in the ES was not important for the three groups of dairy products assessed. This systematic review and meta-analysis of seven studies found no detrimental effects of dairy product consumption on arterial stiffness measured by PWV. Due to the scarcity of studies, further investigations are warranted to clarify the role of dairy products on arterial stiffness.
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Díez‐Fernández et al. (2019) reported a meta-analysis. Total dairy product consumption was evaluated on Arterial stiffness measured by pulse wave velocity (PWV) (ES -0.03, 95% CI -0.04 to -0.01). Total dairy product consumption was weakly but significantly associated with lower arterial stiffness (ES -0.03; 95% CI -0.04 to -0.01), with similar findings for cheese but not milk.
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