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Epicardial adipose tissue and obesity

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https://www.readbyqxmd.com/read/29198416/sleep-disordered-breathing-and-epicardial-adipose-tissue-in-patients-with-heart-failure
#1
V Parisi, S Paolillo, G Rengo, R Formisano, L Petraglia, F Grieco, C D'Amore, S Dellegrottaglie, C Marciano, N Ferrara, D Leosco, P P Filardi
BACKGROUND AND AIMS: Sleep-disordered breathing (SDB) is common in patients with heart failure (HF), contributes to the progression of cardiac disease, and is associated with adverse prognosis. Previous evidence indicates that epicardial adipose tissue (EAT) is independently associated with sleep apnea in obese individuals. We explored the relationship between SDB and EAT in HF patients. METHODS AND RESULTS: EAT thickness was assessed by echocardiography in 66 patients with systolic HF undergoing nocturnal cardiorespiratory monitoring...
October 13, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/29075334/association-of-body-mass-index-and-visceral-fat-with-aortic-valve-calcification-and-mortality-after-transcatheter-aortic-valve-replacement-the-obesity-paradox-in-severe-aortic-stenosis
#2
Jennifer Mancio, Paulo Fonseca, Bruno Figueiredo, Wilson Ferreira, Monica Carvalho, Nuno Ferreira, Pedro Braga, Alberto Rodrigues, Antonio Barros, Ines Falcao-Pires, Adelino Leite-Moreira, Vasco Gama Ribeiro, Nuno Bettencourt
BACKGROUND: Previous studies showed that metabolic syndrome is associated with aortic valve calcification (AVC) and poor outcomes in aortic stenosis (AS). However, if these associations change and how body fat impacts the prognosis of patients in late stage of the disease have been not yet explored. AIMS: To determine the association of body mass index (BMI) and visceral fat with AVC and mortality after transcatheter aortic valve replacement (TAVR). METHODS: This was a prospective cohort of 170 severe AS patients referred to TAVR...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/29050981/evolutional-change-in-epicardial-fat-and-its-correlation-with-myocardial-diffuse-fibrosis-in-heart-failure-patients
#3
Cho-Kai Wu, Hao-Yuan Tsai, Mao-Yuan M Su, Yi-Fan Wu, Juey-Jen Hwang, Jiunn-Lee Lin, Lian-Yu Lin, Jien-Jiun Chen
OBJECTIVES: The aim of this study was to characterize the characteristics of epicardial fat (EAT) in different stage heart failure (HF) patients and its relationship between cardiac fibrosis. BACKGROUND: EAT is visceral adipose tissue that possesses inflammatory properties. Inflammation and obesity are associated with cardiac fibrosis, but the relationship between cardiac fibrosis and EAT is unknown. METHODS: EAT volume was measured using cardiac magnetic resonance imaging (CMR) in 180 subjects: 58 patients with systolic HF, 63 patients with HF and preserved ejection fraction, and 59 patients without HF...
September 4, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28974326/relationships-between-periventricular-epicardial-adipose-tissue-accumulation-coronary-microcirculation-and-left-ventricular-diastolic-dysfunction
#4
Koki Nakanishi, Shota Fukuda, Atsushi Tanaka, Kenichiro Otsuka, Haruyuki Taguchi, Kenei Shimada
BACKGROUND: Obesity is related to left ventricular (LV) diastolic dysfunction, although its pathophysiological mechanism remains unclear. Epicardial adipose tissue (EAT) is an ectopic fat with paracrine effects on coronary circulation and myocardium. We hypothesized that left ventricle-specific (periventricular) EAT may deteriorate diastolic function by impairing coronary microcirculation. METHODS: In protocol 1, 74 patients without obstructive narrowing of the left anterior descending artery on multidetector computed tomography (MDCT) underwent coronary flow reserve (CFR) examination to evaluate the relationship between EAT and coronary microcirculation...
November 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28922364/association-of-epicardial-adipose-tissue-with-serum-level-of-cystatin-c-in-type-2-diabetes
#5
Tomomi Murai, Noriko Takebe, Kan Nagasawa, Yusuke Todate, Riyuki Nakagawa, Rieko Nakano, Mari Hangai, Yutaka Hasegawa, Yoshihiko Takahashi, Kunihiro Yoshioka, Yasushi Ishigaki
OBJECTIVE: Accumulation of epicardial adipose tissue (EAT) is considered to be a cardiovascular risk factor independent from visceral adiposity, obesity, hypertension and diabetes. We explored the parameters related to EAT accumulation, aiming to clarify the novel pathophysiological roles of EAT in subjects with type 2 diabetes (T2DM). METHODS: We examined the laboratory values, including cystatinC, and surrogate markers used for evaluating atherosclerosis. EAT was measured as the sum of the adipose tissue area, obtained by plain computed tomography scans in 208 subjects with T2DM but no history of coronary artery disease...
2017: PloS One
https://www.readbyqxmd.com/read/28877159/association-between-25-hydroxyvitamin-d-and-epicardial-adipose-tissue-in-chinese-non-obese-patients-with-type-2-diabetes
#6
Xiong Chen, Wenjun Wu, Luyin Wang, Yujuan Shi, Feixia Shen, Xuemei Gu, Zhijun Jia
BACKGROUND Epicardial adipose tissue (EAT) is recognized as a useful indicator for type 2 diabetes mellitus (T2DM) and obesity. However, studies on the association between vitamin D status and EAT thickness in type 2 diabetes (T2D) are limited. In this study, we aimed to evaluate the association of vitamin D (Calcifediol) status and EAT thickness (EATT) in Chinese non-obese patients with T2D. MATERIAL AND METHODS A cross-sectional study was performed among 167 non-obese T2D Chinese patients and 82 non-diabetic patients, who are age- and gender-matched during the winter months...
September 6, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28868898/the-tumour-suppressor-cdkn2a-p16-ink4a-regulates-adipogenesis-and-bone-marrow-dependent-development-of-perivascular-adipose-tissue
#7
Kristiaan Wouters, Yann Deleye, Sarah A Hannou, Jonathan Vanhoutte, Xavier Maréchal, Augustin Coisne, Madjid Tagzirt, Bruno Derudas, Emmanuel Bouchaert, Christian Duhem, Emmanuelle Vallez, Casper G Schalkwijk, François Pattou, David Montaigne, Bart Staels, Réjane Paumelle
The genomic CDKN2A/B locus, encoding p16(INK4a) among others, is linked to an increased risk for cardiovascular disease and type 2 diabetes. Obesity is a risk factor for both cardiovascular disease and type 2 diabetes. p16(INK4a) is a cell cycle regulator and tumour suppressor. Whether it plays a role in adipose tissue formation is unknown. p16(INK4a) knock-down in 3T3/L1 preadipocytes or p16(INK4a) deficiency in mouse embryonic fibroblasts enhanced adipogenesis, suggesting a role for p16(INK4a) in adipose tissue formation...
November 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28856556/association-between-echocardiographic-epicardial-adipose-tissue-and-e-e-ratio-in-obese-adults
#8
Leire Moreno-Galdós, Joaquín Barba-Cosials, Jorge M Núñez-Córdoba
No abstract text is available yet for this article.
August 30, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28852208/assessing-genetic-and-environmental-influences-on-epicardial-and-abdominal-adipose-tissue-quantities-a-classical-twin-study
#9
A L Jermendy, M Kolossvary, Z D Drobni, A D Tarnoki, D L Tarnoki, J Karady, S Voros, H J Lamb, B Merkely, G Jermendy, P Maurovich-Horvat
BACKGROUND/OBJECTIVE: Various adipose tissue compartments play an important role in the development of cardiometabolic diseases. The quantity of different fat compartments is influenced by genetic and environmental factors. The aim of our study was to evaluate the magnitude of genetic and environmental effects on epicardial, subcutaneous and visceral adipose tissue (EAT, SAT and VAT) quantities in a cohort of adult twin pairs. SUBJECTS/METHODS: In this cross-sectional study we investigated adult twins (57 monozygotic [MZ] and 33 dizygotic [DZ] same-gender twin pairs; 180 twin subjects)...
August 30, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28762019/epicardial-adipose-tissue-as-a-metabolic-transducer-role-in-heart-failure-and-coronary-artery-disease
#10
REVIEW
Vaibhav B Patel, Saumya Shah, Subodh Verma, Gavin Y Oudit
Obesity and diabetes are strongly associated with metabolic and cardiovascular disorders including dyslipidemia, coronary artery disease, hypertension, and heart failure. Adipose tissue is identified as a complex endocrine organ, which by exerting a wide array of regulatory functions at the cellular, tissue and systemic levels can have profound effects on the cardiovascular system. Different terms including "epicardial," "pericardial," and "paracardial" have been used to describe adipose tissue deposits surrounding the heart...
November 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28761018/dynamic-thiol-disulphide-homeostasis-as-a-novel-indicator-of-oxidative-stress-in-obese-children-and-its-relationship-with-inflammatory-cardiovascular-markers
#11
Bahri Elmas, Mehmet Karacan, Pınar Dervişoğlu, Mustafa Kösecik, Şükriye Pınar İşgüven, Ceylan Bal
OBJECTIVE: Childhood obesity is an important cause of cardiovascular risk with chronic inflammation. Oxidative stress may contribute to the pathogenesis of obesity-related cardiovascular pathologies. We aimed to evaluate thiol/disulphide homeostasis as a novel and sensitive marker of oxidative stress and to evaluate its relationship with some inflammatory and cardiovascular markers in obese children. METHODS: In this case-controlled study, 65 children with exogenous obesity and 64 healthy children, as a control group, were included...
July 25, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28699484/immune-response-to-native-lipoproteins-induces-visceral-obesity-and-aortic-wall-injury-in-rats-the-role-of-testosterone
#12
Kseniya Fomina, Liubov Beduleva, Igor Menshikov, Marina Marina Anikaeva, Daria Suntsova, Alexandr Sidorov, Elena Stolyarova
OBJECTIVES: The underlying mechanism of atherosclerosis and visceral obesity remains unknown. The purpose of this study was to test the hypothesis that atherosclerosis and visceral obesity are caused by an immune response to native plasma lipoproteins, and the atherogenic and adipogenic effects of the antibodies to native lipoproteins stem from the androgen deficiency that is created. METHODS: Wistar rats were immunized with native human (nh) low-density (LDL) or high-density lipoproteins (HDL)...
July 11, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/28687077/joint-analysis-of-left-ventricular-expression-and-circulating-plasma-levels-of-omentin-after-myocardial-ischemia
#13
Louis A Saddic, Sarah M Nicoloro, Olga T Gupta, Michael P Czech, Joshua Gorham, Stanton K Shernan, Christine E Seidman, Jon G Seidman, Sary F Aranki, Simon C Body, Timothy P Fitzgibbons, Jochen D Muehlschlegel
BACKGROUND: Omentin-1, also known as Intelectin-1 (ITLN1), is an adipokine with plasma levels associated with diabetes, obesity, and coronary artery disease. Recent studies suggest that ITLN1 can mitigate myocardial ischemic injury but the expression of ITLN1 in the heart itself has not been well characterized. The purpose of this study is to discern the relationship between the expression pattern of ITLN1 RNA in the human heart and the level of circulating ITLN1 protein in plasma from the same patients following myocardial ischemia...
July 7, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28664417/epicardial-adipose-tissue-at-the-heart-of-the-obesity-complications
#14
Valeria Guglielmi, Paolo Sbraccia
In recent years, the anatomic and functional contiguity of epicardial adipose tissue (EAT) to myocardium and coronary arteries has gained increasing interest for its potential pathogenetic role in obesity-related cardiac diseases. Besides its known and attributed biochemical cardioprotective properties, it is becoming evident that, in metabolic disease states, EAT-secreted bioactive molecules may play an important role in the pathogenesis of coronary artery disease and cardiac arrhythmias. EAT-derived inflammatory cytokines and reactive oxidative species may, indeed, play a part in the development of a local proatherogenic milieu by paracrine and vasocrine mechanisms of interaction...
June 29, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28640441/adipose-tissue-derived-omentin-1-function-and-regulation
#15
Takuya Watanabe, Kaho Watanabe-Kominato, Yui Takahashi, Miho Kojima, Rena Watanabe
Omentin-1, also known as intelectin-1, is a recently identified novel adipocytokine of 313 amino acids, which is expressed in visceral (omental and epicardial) fat as well as mesothelial cells, vascular cells, airway goblet cells, small intestine, colon, ovary, and plasma. The level of omentin-1 expression in (pre)adipocytes is decreased by glucose/insulin and stimulated by fibroblast growth factor-21 and dexamethasone. Several lines of experimental evidence have shown that omentin-1 plays crucial roles in the maintenance of body metabolism and insulin sensitivity, and has anti-inflammatory, anti-atherosclerotic, and cardiovascular protective effects via AMP-activated protein kinase/Akt/nuclear factor-κB/mitogen-activated protein kinase (ERK, JNK, and p38) signaling...
June 18, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28629772/impact-of-the-cardiovascular-system-associated-adipose-tissue-on-atherosclerotic-pathology
#16
REVIEW
Dimitry A Chistiakov, Andrey V Grechko, Veronika A Myasoedova, Alexandra A Melnichenko, Alexander N Orekhov
Cardiac obesity makes an important contribution to the pathogenesis of cardiovascular disease. One of the important pathways of this contribution is the inflammatory process that takes place in the adipose tissue. In this review, we consider the role of the cardiovascular system-associated fat in atherosclerotic cardiovascular pathology and a non-atherosclerotic cause of coronary artery disease, such as atrial fibrillation. Cardiovascular system-associated fat not only serves as the energy store, but also releases adipokines that control local and systemic metabolism, heart/vascular function and vessel tone, and a number of vasodilating and anti-inflammatory substances...
August 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28624865/bone-marrow-fat-contributes-to-insulin-sensitivity-and-adiponectin-secretion-in-premenopausal-women
#17
Federica Ermetici, Silvia Briganti, Alessandra Delnevo, Paola Cannaò, Giovanni Di Leo, Stefano Benedini, Ileana Terruzzi, Francesco Sardanelli, Livio Luzi
PURPOSE: Bone marrow fat is a functionally distinct adipose tissue that may contribute to systemic metabolism. This study aimed at evaluating a possible association between bone marrow fat and insulin sensitivity indices. METHODS: Fifty obese (n = 23) and non-obese (n = 27) premenopausal women underwent proton magnetic resonance spectroscopy to measure vertebral bone marrow fat content and unsaturation index at L4 level. Abdominal visceral, subcutaneous fat, and epicardial fat were also measured using magnetic resonance imaging...
June 17, 2017: Endocrine
https://www.readbyqxmd.com/read/28605281/re-plasminogen-activator-inhibitor-1-and-pericardial-fat-in-individuals-with-type-2-diabetes-mellitus-by-bayomi-et-al-metab-syndr-relat-disord-2017-15-269-275
#18
Angelo Avogaro
Plasminogen activator inhibitor-1 (PAI-1) is a member of the serine protease inhibitor (serpin) superfamily, which inactivates tissue plasminogen activator (tPA); therefore, increased level of PAI-1 antigen counteracts the anticoagulant effect of tPA and facilitates the fibrin clot formation. Plasma PAI-1 antigen and activity levels are associated with increased body mass index and with features of the insulin resistance syndrome like obesity and diabetes. Visceral adipose tissue produces more PAI-1 than subcutaneous adipose tissue: This increased production of PAI-1 from the visceral adipose tissue is one important link between visceral obesity and cardiovascular disease...
August 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28582523/the-interplay-between-adipose-tissue-and-the-cardiovascular-system-is-fat-always-bad
#19
Ioannis Akoumianakis, Charalambos Antoniades
Obesity is a risk factor for cardiovascular disease (CVD). However, clinical research has revealed a paradoxically protective role for obesity in patients with chronic diseases including CVD, suggesting that the biological 'quality' of adipose tissue (AT) may be more important than overall AT mass or body weight. Importantly, AT is recognised as a dynamic organ secreting a wide range of biologically active adipokines, microRNAs, gaseous messengers, and other metabolites that affect the cardiovascular system in both endocrine and paracrine ways...
July 1, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28498891/adipose-tissue-depots-and-inflammation-effects-on-plasticity-and-resident-mesenchymal-stem-cell-function
#20
Lina Badimon, Judit Cubedo
Adipose tissue (AT) is a highly heterogeneous organ. Beside the heterogeneity associated to different tissue types (white, brown, and 'brite') and its location-related heterogeneity (subcutaneous, visceral, epicardial, and perivascular, etc.), AT composition, structure, and functionality are highly dependent on individual-associated factors. As such, the pro-inflammatory state associated to the presence of obesity and other cardiovascular risk factors (CVRFs) directly affects AT metabolism. Furthermore, the adipose-derived stem cells (ASCs) that reside in the stromal vascular fraction of AT, besides being responsible for most of the plasticity attributed to AT, is an additional source of heterogeneity...
July 1, 2017: Cardiovascular Research
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