Dataset Information

Mediterranean-style dietary pattern, reduced risk of metabolic syndrome traits, and incidence in the Framingham Offspring Cohort.

ABSTRACT:

Background

The benefit of the Mediterranean-style dietary pattern in mitigating metabolic risk factors for type 2 diabetes and cardiovascular disease has not been well investigated among nondiabetic Americans.

Objective

The aim of this study was to examine the prospective association between the Mediterranean-style dietary pattern and metabolic syndrome.

Design

The Mediterranean-style dietary pattern score (MSDPS) was used to characterize a Mediterranean-style dietary pattern in the Framingham Heart Study Offspring Cohort. We examined the longitudinal association between MSDPS and metabolic syndrome traits (including homeostasis model assessment-insulin resistance, fasting glucose, waist circumference, triglyceride, HDL cholesterol, and systolic and diastolic blood pressure) among 2730 participants of the Framingham Heart Study Offspring Cohort without type 2 diabetes (baseline median age: 54 y; 55% women), who were followed from the fifth (baseline) to the seventh study examinations (mean follow-up time: 7 y), and metabolic syndrome incidence (according to the National Cholesterol Education Program Adult Treatment Panel III definition) in 1918 participants free of the condition at baseline.

Results

A higher MSDPS was associated with lower homeostasis model assessment-insulin resistance (P = 0.02), waist circumference (P < 0.001), fasting plasma glucose (P = 0.03), and triglycerides (P < 0.001) and higher HDL cholesterol (P = 0.02) after adjustment for the corresponding baseline values and for several confounding factors associated with type 2 diabetes risk. Participants in the highest quintile category of the MSDPS had a lower incidence of metabolic syndrome than those in the lowest quintile category (38.5% compared with 30.1%; P = 0.01).

Conclusion

Our study suggests that the consumption of a diet consistent with the principles of the Mediterranean-style diet may protect against metabolic syndrome in Americans.

SUBMITTER: Rumawas ME

PROVIDER: S-EPMC3152203 | biostudies-literature | 2009 Dec

REPOSITORIES: biostudies-literature

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Publications

Mediterranean-style dietary pattern, reduced risk of metabolic syndrome traits, and incidence in the Framingham Offspring Cohort.

Rumawas Marcella E ME Meigs James B JB Dwyer Johanna T JT McKeown Nicola M NM Jacques Paul F PF

The American journal of clinical nutrition 20091014 6

<h4>Background</h4>The benefit of the Mediterranean-style dietary pattern in mitigating metabolic risk factors for type 2 diabetes and cardiovascular disease has not been well investigated among nondiabetic Americans.<h4>Objective</h4>The aim of this study was to examine the prospective association between the Mediterranean-style dietary pattern and metabolic syndrome.<h4>Design</h4>The Mediterranean-style dietary pattern score (MSDPS) was used to characterize a Mediterranean-style dietary patte ...[more]

PMID: 19828705

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Project description:While dietary patterns are related to the age-related progression of chronic diseases, to what extent different dietary patterns influence inflammatory and metabolic risk factors in older adults remains to be elucidated. Additionally, potential moderating effects by physical activity (PA) become important to clarify. Here, we hypothesize that dietary patterns are linked to inflammatory and metabolic biomarkers and that these links are independent of PA. The present study aims to explore links between two dietary constructs and biomarkers of systemic inflammation and metabolic health in older women, while considering time spent in moderate-to-vigorous PA (MVPA). A cross-sectional analysis of a sample of 112 community-dwelling older women (65–70 years old) was performed. Dietary constructs based on the Dietary Approach to Stop Hypertension (DASH) and the dietary inflammatory index (DII) were determined from food records. MVPA was objectively assessed using accelerometry. Metabolic outcomes (waist circumference, systolic/diastolic blood pressures and levels of glucose, triglycerides and high-density lipoprotein (HDL)-cholesterol) and inflammatory biomarkers (C-reactive protein (CRP), fibrinogen and adiponectin) were determined using standardized procedures and a clustered metabolic risk score was derived. Adherence to DASH-style diet was significantly (p < 0.05) associated with a lower clustered metabolic risk, where women in the highest adherence group had a significantly (p < 0.05) lower waist circumference and blood glucose level compared to those in the lowest group. Further, a significantly higher (p < 0.05) adiponectin level was observed in the high DASH adherence group compared to those with low adherence. Notably, adjustment by waist circumference did not alter links with either adiponectin or blood glucose level. Importantly, all observed links remained significant after further adjustment for time in MVPA. Finally, no significant associations were observed when the dietary pattern was defined by the DII. The findings of this study demonstrate that DASH-style diets promote a systemic anti-inflammatory environment, while also mitigating clustered metabolic risk in older women. A key finding is that favourable impacts of the DASH-style diet are independent of time spent in moderate-to-vigorous PA, which further strengthens healthy eating behaviours as a key target for clinical and public health interventions designed to prevent age-related metabolic abnormalities.

Project description:Abstract Objectives To determine the effect of adopting a Mediterranean-style eating pattern with different quantities of lean unprocessed red meat on the plasma concentration of Trimethylamine N-Oxide (TMAO), an emerging potential cardiovascular disease risk factor, in middle-aged adults classified as overweight or obese. Methods Thirty-nine adults (12 males and 27 females; age 46 ±10 years, BMI 30.6 ± 3.6 kg/m2; mean ± SD) participated in a randomized, crossover and controlled feeding trial. Each participant consumed a Mediterranean-style eating pattern for two 5-week intervention periods separated by ?4 weeks of consuming their unrestricted, self-selected diet (washout). The Mediterranean-style eating pattern contained either a commonly recommended amount of red meat (?200 g/wk, Med-200) or the average amount consumed in the U.S. (?500 g/wk, Med-500). Plasma samples were collected before (baseline) and at the end (post) of the two intervention periods and TMAO was measured by stable isotope dilution chromatography tandem mass spectrometry. Geometric means were compared with mixed model tests in SAS. Results Baseline TMAO concentrations were not different between interventions (Med-200 = 4.4 ± 2.7 and Med-500 = 5.2 ± 4.5 ?M, P = 0.476). These concentrations are similar to values reported in healthy adults. Post-intervention, TMAO was lower in Med-200 vs. Med-500 (3.1 ± 1.2 and 5.0 ± 2.6 ?M, P = 0.001). Conclusions The 2015–2020 Dietary Guidelines for Americans encourages adopting a Mediterranean-style eating pattern to promote cardiovascular health, including reduced blood pressure and improved lipid-lipoprotein profile. The current results suggest that adopting a Mediterranean-study eating pattern may also reduce the cardiovascular disease risk factor TMAO, but only when it contains a lower, recommended, amount of lean unprocessed red meat. The influences of animal- and plant-based foods consumed with a Mediterranean-style and other healthy eating patterns on emerging cardiovascular disease risk factors remain to be determined. This trial was registered at clinicaltrials.gov as NCT02573129. Funding Sources Supported by theBeef Checkoff, the Pork Checkoff, the NIH pre-doctoral training grant 5T32DK076540-08, the NIH-supported Indiana Clinical and Translational Sciences Institute and the USDA-ARS-Western Human Nutrition Research Center.

Dataset Information

Mediterranean-style dietary pattern, reduced risk of metabolic syndrome traits, and incidence in the Framingham Offspring Cohort.

Background

Objective

Design

Results

Conclusion

Publications

Mediterranean-style dietary pattern, reduced risk of metabolic syndrome traits, and incidence in the Framingham Offspring Cohort.

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