scholarly journals VALIDIZATION OF THE MOST INFORMATIVE TECHNIQUES FOR ULTRASOUND DIAGNOSTICS OF VISCERAL OBESITY

2021 ◽  
Vol 20 (3) ◽  
pp. 46-54
Author(s):  
V.M. Bondarenko ◽  
◽  
S.I. Pimanov ◽  
E.V. Makarenko ◽  
◽  
...  
Keyword(s):  
Metabolic Syndrome ◽  
Adipose Tissue ◽  
Visceral Obesity ◽  
Anterior Wall ◽  
Ultrasound Elastography ◽  
Boundary Values ◽  
Diagnostic Efficacy ◽  
Ultrasound Diagnostics ◽  
Measuring Techniques ◽  
Visceral Adipose

Objectives. To validate the ultrasound method of diagnosing visceral obesity in patients with cardiovascular diseases and metabolic syndrome. Material and methods. The study involved 115 people aged from 19 to 60 years, who represented a continuous random sample (examination sample). The diagnostic efficacy of shear wave ultrasound elastography of the lower perirenal visceral adipose tissue (VAT) was evaluated in 59 patients. Ultrasound examination was performed on the Logiq E9 ultrasound machine (GE Healthcare, USA); convex 3.5 MHz and linear 10.0 MHz sensors were used. Results. To assess visceral obesity, the following measurements are recommended: the area of the lower perirenal adipose tissue (AT), the distance between the surface of the rectus abdominis muscle and the anterior wall of the aorta, the thickness of the epicardial and pericardial AT, as well as the elastography of the lower part of the perirenal AT. According to the results of the performed validation of ultrasound VAT measuring techniques, the accuracy of visceral obesity diagnosing in patients with arterial hypertension with the use of the boundary values of the lower part perirenal AT area made up 87.8%. The accuracy of visceral obesity diagnosing in patients with coronary heart disease, taking into account the boundary values of the epicardial AT thickness equalled 86.2%, and pericardial AT thickness amounted to 95.4%. Diagnosing of visceral obesity in patients with metabolic syndrome by measuring four ultrasound parameters (area of the lower part of perirenal AT, thickness of intraabdominal AT, epicardial and pericardial VAT) was carried out with an accuracy of 86.1%. Elastic modulus determination during elastography of the lower part of the perirenal AT using the boundary values, established for patients with metabolic syndrome, was performed with an accuracy of 91.5%.

scholarly journals Daily Consumption of Coffee and Eating Bread at Breakfast Time Is Associated with Lower Visceral Adipose Tissue and with Lower Prevalence of Both Visceral Obesity and Metabolic Syndrome in Japanese Populations: A Cross-Sectional Study

Nutrients ◽  
2020 ◽  
Vol 12 (10) ◽  
pp. 3090
Author(s):  
Teruhide Koyama ◽  
Mizuho Maekawa ◽  
Etsuko Ozaki ◽  
Nagato Kuriyama ◽  
Ritei Uehara
Keyword(s):  
Metabolic Syndrome ◽  
Adipose Tissue ◽  
Green Tea ◽  
Visceral Adipose Tissue ◽  
Coffee Consumption ◽  
Visceral Obesity ◽  
Tea Consumption ◽  
Daily Consumption ◽  
Cross Sectional ◽  
Visceral Adipose

Background: The study aimed to investigate the association between daily consumption of coffee or green tea, with and without habitual bread consumption for breakfast, and components and prevalence of metabolic syndrome in Japanese populations. Methods: The study population consisted of 3539 participants (1239 males and 2300 females). Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated using logistic regression analyses to evaluate the associations of daily coffee and green tea consumption with the prevalence of obesity, visceral obesity, and metabolic syndrome. Results: Coffee consumption was associated with significantly lower proportions of visceral obesity (OR: 0.746, CI: 0.588–0.947) and metabolic syndrome (OR: 0.706, CI: 0.565–0.882). On the other hand, green tea was not associated with visceral obesity (OR: 1.105, CI: 0.885–1.380) or metabolic syndrome (OR: 0.980, CI: 0.796–1.206). The combination of daily drinking coffee and eating bread at breakfast time was associated with significantly lower proportions of obesity (OR: 0.613, CI: 0.500–0.751) (p = 0.911 for interaction), visceral obesity (OR: 0.549, CI: 0.425–0.710) (p = 0.991 for interaction), and metabolic syndrome (OR: 0.586, CI: 0.464–0.741) (p = 0.792 for interaction). Conclusion: Coffee consumption was significantly associated with lower visceral adipose tissue and lower proportions of visceral obesity, but the same was not true for green tea consumption. Furthermore, in combination with coffee consumption, the addition of eating bread at breakfast time significantly lowered proportions of visceral obesity and metabolic syndrome, although there was no interaction between coffee and bread.

scholarly journals Obesity is the basis of metabolic syndrome

2021 ◽  
Vol 18 (2) ◽  
pp. 142-149
Author(s):  
A. F. Verbovoy ◽  
N. I. Verbovaya ◽  
Yu. A. Dolgikh
Keyword(s):  
Insulin Resistance ◽  
Metabolic Syndrome ◽  
Adipose Tissue ◽  
Subcutaneous Fat ◽  
Visceral Obesity ◽  
Cardiovascular Risks ◽  
The Metabolic Syndrome ◽  
Symptom Complex ◽  
Visceral Adipose ◽  
Positive Effect

Metabolic syndrome is a symptom complex that is based on visceral obesity and insulin resistance. Its prevalence is quite high, which is a big problem, since this condition increases the risk of developing cardiovascular diseases and mortality from them. Metabolic syndrome includes, in addition to abdominal obesity, arterial hypertension, disorders of carbohydrate, lipid and purine metabolism. Visceral adipose tissue plays a key role in the formation of insulin resistance and other components of the metabolic syndrome. This is due to the fact that abdominal fat, in contrast to subcutaneous fat, synthesizes pro-inflammatory cytokines, as well as adipokines — adipose tissue hormones that are involved in the formation of insulin resistance, affect carbohydrate and fat metabolism and the cardiovascular system. These include leptin, adiponectin, resistin, apelin and others. Some adipokines have an adverse effect on metabolism and increase cardiovascular risks, while others, on the contrary, have a positive effect. Taking into account their role in the development of the components of the metabolic syndrome, the possibilities of a therapeutic effect on the hormones of adipose tissue to improve metabolic processes and prevent complications associated with it are discussed.

scholarly journals The contribution of omental adipose tissue to adipokine concentrations in patients with the metabolic syndrome

2007 ◽  
Vol 30 (5) ◽  
pp. 192 ◽  
Author(s):  
Giovanni Tarantino ◽  
Roberto Lobello ◽  
Francesco Scopacasa ◽  
Franco Contaldo ◽  
Fabrizio Pasanisi ◽  
...  
Keyword(s):  
Metabolic Syndrome ◽  
Adipose Tissue ◽  
Venous Blood ◽  
Visceral Obesity ◽  
Systemic Circulation ◽  
Central Adiposity ◽  
Omental Adipose Tissue ◽  
The Metabolic Syndrome ◽  
Visceral Adipose ◽  
Endothelial Growth Factor

Purpose: To examine differences in peripheral vascular endothelial growth factor (VEGF), interleukin-6 (IL6) and cortisol concentrations between patients with both visceral obesity and metabolic syndrome, and lean controls. In a subsample of metabolic patients underwent abdominal surgery, the adipokine concentrations were measured in venous blood from the omentum to determine information on some processes of synthesis. Methods: Forty-two healthy lean controls and 46 overweight-obese patients with central adiposity and stigmata of metabolic syndrome were studied. In a subsample of 11 metabolic patients undergoing non-bariatric surgery, blood samples from omental and peripheral veins were taken intraoperatively to determine VEGF, IL6 and cortisol concentrations. Results: Median levels (range) of peripheral VEGF and IL6 were higher in patients than in controls [31.5 (3-112) pg/mL vs 21.35 (9-41.9) pg/mL (P < 0.05) and 5.50 (1.40-13) pg/mL vs 1.15 (0.3-1) pg/mL (P < 0.0001)]. On the other hand, concentrations of VEGF and IL6 from the omental and peripheral veins were similar in the surgery sub-group. Peripheral cortisol concentrations were not higher in patients than in controls, nor were omental concentrations different from the peripheral. Omental and peripheral VEGF and cortisol values were correlated, whereas no association was found between omental and peripheral IL6. Conclusions: In the presence of abdominal obesity, VEGF and IL6 concentrations are increased in the systemic circulation. The contribution of visceral adipose tissue to circulating levels of VEGF and IL6 was modest.

Correction of morphofunctional disorders with grapes polyphenols in rats with experimental metabolic syndrome

2018 ◽  
pp. 43-48
Author(s):  
Ю.И. Шрамко ◽  
А.В. Кубышкин ◽  
А.А. Давыдова ◽  
И.И. Фомочкина ◽  
Л.Л. Алиев ◽  
...  
Keyword(s):  
Metabolic Syndrome ◽  
Adipose Tissue ◽  
Visceral Adipose Tissue ◽  
Normal Structure ◽  
Hepatic Tissue ◽  
Standard Diet ◽  
Grape Polyphenols ◽  
Morphological Studies ◽  
Visceral Adipose ◽  
Experimental Group

Цель работы состояла в изучении влияния полифенолов винограда на органы-мишени при экспериментальном метаболическом синдроме у крыс. Методы. В течение 12 недель полифенолы винограда применялись у крыс линии Вистар. Все крысы находились на стандартном рационе. Животные были разделены на 6 групп: 1-я контрольная получала питьевую воду; 2-я контрольная и все 4 экспериментальные - 2,5% раствор фруктозы в качестве питья. 1-я экспериментальная группа дополнительно получала препарат «Фэнокор» с суммарным содержанием полифенолов 181,53 г/дм, 2-я экспериментальная - виноматериал с суммарным содержанием полифенолов 1,73 г/дм; 3-я экспериментальная - виноматериал с суммарным содержанием полифенолов 4,33 г/дм и 4-я экспериментальная - виноматериал с суммарным содержанием полифенолов 8,58 г/дм. После окончания опыта у крыс проводили морфологические исследования висцеральной жировой ткани, тканей миокарда и печени. Результаты. Анализ результатов показал, что применение полифенольных продуктов переработки винограда в концентрациях 181,53 г/дм при моделировании метаболического синдрома приводило к минимизации морфофункциональных нарушений в висцеральной жировой ткани (уменьшение интенсивности лимфоплазмоцитарной инфильтрации), миокарде (мышечные волокна имели типичное строение и адипоциты между ними встречались лишь очагово) и печени (имелись лишь слабые очаговые дистрофические изменения гепатоцитов). Заключение. Результаты работы свидетельствуют о возможности применения виноматериалов с наибольшей концентрацией полифенолов и препарата «Фэнокор» в коррекции и профилактике поражений при метаболическом синдроме. The aim of this work was to study the effect of grape polyphenols on target organs in rats with experimental metabolic syndrome. Methods. Grape polyphenols were used in Wistar rats for 12 weeks. All rats received a standard diet. The animals were divided into 6 groups: group 1, control, received drinking water; group 2, the second control, and four experimental groups received a 2.5% fructose solution for drinking. The first experimental group additionally received a drug, Fenocor, containing polyphenols at 181.53 g/dm; the second experimental group - wine material containing polyphenols at 1,73 g/dm; the third experimental group - wine material containing polyphenols at 4,33 g/dm; and the fourth experimental group - wine material containing polyphenols at 8,58 g/dm. At the end of experiment, morphological studies of visceral adipose tissue, myocardial tissue, and hepatic tissue were performed. Results. The treatment of rats with experimental metabolic syndrome with grape polyphenolic products at a concentration of 181.53 g/dm minimized morphological and functional disorders in visceral adipose tissue (intensity of lymphoplasmocytic infiltration was decreased), myocardium (muscle fibers had normal structure with only occasional adipocytes between them), and liver (only slight focal degenerative changes were observed in hepatocytes). Conclusion. The study indicated a possibility of using wine materials with the highest concentration of polyphenols and the drug Fenocor for correction and prevention of damages in metabolic syndrome.

scholarly journals Elevated serum uric acid is a facilitating mechanism for insulin resistance mediated accumulation of visceral adipose tissue

2020 ◽  
Author(s):  
Luisa Fernández-Chirino ◽  
Neftali Eduardo Antonio-Villa ◽  
Arsenio Vargas-Vázquez ◽  
Paloma Almeda-Valdés ◽  
Donají Gómez-Velasco ◽  
...  
Keyword(s):  
Insulin Resistance ◽  
Adipose Tissue ◽  
Uric Acid ◽  
Serum Uric Acid ◽  
Visceral Adipose Tissue ◽  
Visceral Obesity ◽  
Causal Mechanism ◽  
Mediation Analyses ◽  
Bidirectional Relationship ◽  
Visceral Adipose

BACKGROUND: Serum uric acid (SUA) has a relationship with cardiometabolic conditions such as insulin resistance (IR) and visceral adipose tissue (VAT) accumulation. Here, we aimed to clarify the nature of this relationship and the underlying causality mechanism. METHODS: We conducted a population-based cross-sectional study comprising 8,504 subjects joining both NHANES 2003-2004 and 2011-2012 cycles and ENSANUT Medio Camino 2016. We performed mixed effects linear regression models using HOMA2-IR, adipoIR, and METS-VF as indicators of IR and VAT accumulation. Furthermore, we performed mediation analyses to assess a potential causal mechanism and ROC curves to establish cut-off points for identification of IR and visceral obesity using SUA. Finally, with an additional dataset comprised of 226 subjects with both euglycemic hyperinsulinemic clamp (EHC) and dual X-ray absorptiometry (DXA) measurements for IR and VAT accumulation, we performed a network of confirmatory mediation analyses. RESULTS:We found that SUA has a mediating role inside the bidirectional relationship between IR and visceral obesity, and it is part of an underlying causality mechanism which includes adiponectin. The proportion of the mechanism mediated by SUA is greater when stated that IR (in either peripheral or adipose tissue) leads to VAT accumulation (14.90%[13.20%-17.00%] and 15.54%[13.61% - 18.00%] to 4.88%[3.06%-7.00%] and 8.13%[5.91% - 10.00%]) instead of the opposite direction. This result was confirmed by mediation analyses using gold-standard measurements. CONCLUSIONS:Elevated SUA acts as mediator inside the bidirectional relationship between IR andVAT accumulation. Its role appears to be larger when considering adipose tissue IR as the promoter for VAT accumulation.

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