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The Quality of a Traditional Dietary Pattern in Relation to Metabolic Syndrome in Elderly South Koreans.

ABSTRACT: Background:The most beneficial dietary pattern in managing metabolic syndrome (MetS) in the elderly has not been ascertained. The aim of this study is to classify dietary patterns and to examine associations between dietary pattern, MetS and body composition in elderly Koreans. Methods:This study was conducted among Koreans 65 years or older using data from the Korea National Health and Nutrition Examination Survey in 2009. A total of 1,567 study subjects were included. All statistical analyses were conducted using SPSS version 20.0 and dietary patterns were classified by cluster analysis. Results:There were three dietary patterns derived by cluster analysis in this study. We observed that most South Korean elderly still maintain a traditional dietary pattern. Dietary patterns were classified as balanced (31%), imbalanced (40%), or very imbalanced (30%), with the majority of subjects having an unbalanced diet pattern in which their total energy and nutrient intake was insufficient compared with the Dietary Reference Intake for Koreans. Those in the very imbalanced group had a ratio of macronutrients (carbohydrates:fats:protein) of 81.15:7.18:11.50 and a 54% higher likelihood of having hypertriglyceridemia (P=0.025) compared with those in the balanced group. Conclusion:The current findings indicate that the diets of South Korean elderly are nutritionally imbalanced, including high carbohydrate consumption, which confers a high risk hypertriglyceridemia. These findings highlight the effect of nutritional imbalance in elderly with MetS.

SUBMITTER: Oh C

PROVIDER: S-EPMC6513305 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature

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The Quality of a Traditional Dietary Pattern in Relation to Metabolic Syndrome in Elderly South Koreans.

Oh Chorong C No Jaekyung J

Journal of obesity & metabolic syndrome 20181230 4

<h4>Background</h4>The most beneficial dietary pattern in managing metabolic syndrome (MetS) in the elderly has not been ascertained. The aim of this study is to classify dietary patterns and to examine associations between dietary pattern, MetS and body composition in elderly Koreans.<h4>Methods</h4>This study was conducted among Koreans 65 years or older using data from the Korea National Health and Nutrition Examination Survey in 2009. A total of 1,567 study subjects were included. All statis ...[more]

PMID: 31089571

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Project description:Sympathetic activation in subjects with the metabolic syndrome (MS) plays a role in the pathogenesis of cardiovascular disease development. Diet-induced weight loss decreases sympathetic outflow. However the mechanisms that account for sympathetic inhibition are not known. We sought to provide a detailed description of the sympathetic response to diet by analyzing the firing behavior of single-unit sympathetic nerve fibers. Fourteen subjects (57 ± 2 years, nine men, five females) fulfilling ATP III criteria for the MS underwent a 3-month low calorie diet. Metabolic profile, hemodynamic parameters, and multi-unit and single-unit muscle sympathetic nerve activity (MSNA, microneurography) were assessed prior to and at the end of the diet. Patients' weight dropped from 96 ± 4 to 88 ± 3 kg (P < 0.001). This was associated with a decrease in systolic and diastolic blood pressure (-12 ± 3 and -5 ± 2 mmHg, P < 0.05), and in heart rate (-7 ± 2 bpm, P < 0.01) and an improvement in all metabolic parameters (fasting glucose: -0.302.1 ± 0.118 mmol/l, total cholesterol: -0.564 ± 0.164 mmol/l, triglycerides: -0.414 ± 0.137 mmol/l, P < 0.05). Multi-unit MSNA decreased from 68 ± 4 to 59 ± 5 bursts/100 heartbeats (P < 0.05). Single-unit MSNA indicated that the firing rate of individual vasoconstrictor fibers decreased from 59 ± 10 to 32 ± 4 spikes/100 heart beats (P < 0.05). The probability of firing decreased from 34 ± 5 to 23 ± 3% of heartbeats (P < 0.05), and the incidence of multiple firing decreased from 14 ± 4 to 6 ± 1% of heartbeats (P < 0.05). Cardiac and sympathetic baroreflex function were significantly improved (cardiac slope: 6.57 ± 0.69 to 9.57 ± 1.20 ms·mmHg(-1); sympathetic slope: -3.86 ± 0.34 to -5.05 ± 0.47 bursts/100 heartbeats·mmHg(-1), P < 0.05 for both). Hypocaloric diet decreased sympathetic activity and improved hemodynamic and metabolic parameters. The sympathoinhibition associated with weight loss involves marked changes, not only in the rate but also in the firing pattern of active vasoconstrictive fibers.

Dataset Information

The Quality of a Traditional Dietary Pattern in Relation to Metabolic Syndrome in Elderly South Koreans.

Publications

The Quality of a Traditional Dietary Pattern in Relation to Metabolic Syndrome in Elderly South Koreans.

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