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Epicardial fat

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https://www.readbyqxmd.com/read/28916241/relationship-of-echocardiographic-epicardial-fat-thickness-and-epicardial-fat-volume-by-computed-tomography-with-coronary-artery-calcification-data-from-the-caesar-study
#1
Byung Jin Kim, Jung Gyu Kang, Sung Ho Lee, Jong Young Lee, Ki Chul Sung, Bum Soo Kim, Jin Ho Kang
BACKGROUND AND AIMS: No study has assessed the association between echocardiographic epicardial fat thickness (EFT) and computed tomography (CT)-based epicardial fat volume (EFV) and coronary artery calcification. The aim of this study is to evaluate the association between EFT and EFV and coronary artery calcification. METHODS: Among the 2,299 individuals enrolled in the CArdiometabolic risk, Epicardial fat, and Subclinical Atherosclerosis Registry (CAESAR) study, 2,276 (1,851 men; mean age 45 ± 8...
September 12, 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28914752/ct-attenuation-of-pericoronary-adipose-tissue-in-normal-versus-atherosclerotic-coronary-segments-as-defined-by-intravascular-ultrasound
#2
Mohamed Marwan, Michaela Hell, Annika Schuhbäck, Sören Gauss, Daniel Bittner, Tobias Pflederer, Stephan Achenbach
BACKGROUND: The factors influencing genesis of atherosclerosis at specific regions within the coronary arterial system are currently uncertain. Local mechanical factors such as shear stress as well as metabolic factors, including inflammatory mediators released from epicardial fat, have been proposed. We analyzed computed tomographic (CT) attenuation of pericoronary adipose tissue in normal versus atherosclerotic coronary segments as defined by intravascular ultrasound (IVUS). PATIENTS AND METHODS: We evaluated the data sets of 29 patients who were referred for invasive coronary angiography and in whom IVUS of 1 coronary vessel was performed for clinical reasons...
September 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28868898/the-tumour-suppressor-cdkn2a-p16-ink4a-regulates-adipogenesis-and-bone-marrow-dependent-development-of-perivascular-adipose-tissue
#3
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...
September 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28852208/assessing-genetic-and-environmental-influences-on-epicardial-and-abdominal-adipose-tissue-quantities-a-classical-twin-study
#4
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/28843368/echocardiographic-epicardial-adipose-tissue-thickness-is-associated-with-symptomatic-coronary-vasospasm-during-provocative-testing
#5
Susumu Nishio, Kenya Kusunose, Hirotsugu Yamada, Yukina Hirata, Takayuki Ise, Koji Yamaguchi, Shusuke Yagi, Takeshi Soeki, Tetsuzo Wakatsuki, Michio Shimabukuro, Masataka Sata
BACKGROUND: Epicardial adipose tissue (EAT) is the ectopic visceral fat surrounding the heart, which plays an important role in atherosclerosis of the coronary arteries via endothelial damage. Several studies have also suggested that vasospasm with angina (VSA) causes endothelial dysfunction in the coronary arteries. The aim of this study was to evaluate the thickness of EAT in the anterior interventricular groove (EAT-AIG) using echocardiography in patients who had no obstructive coronary artery disease and were suspected of having VSA...
August 23, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28837682/cardiac-computed-tomography-derived-epicardial-fat-volume-and-attenuation-independently-distinguish-patients-with-and-without-myocardial-infarction
#6
Amir Abbas Mahabadi, Bastian Balcer, Iryna Dykun, Michael Forsting, Thomas Schlosser, Gerd Heusch, Tienush Rassaf
BACKGROUND AND OBJECTIVE: Epicardial adipose tissue (EAT) volume is associated with coronary plaque burden and adverse events. We aimed to determine, whether CT-derived EAT attenuation in addition to EAT volume distinguishes patients with and without myocardial infarction. METHODS AND RESULTS: In 94 patients with confirmed or suspected coronary artery disease (aged 66.9±14.7years, 61%male) undergoing cardiac CT imaging as part of clinical workup, EAT volume was retrospectively quantified from non-contrast cardiac CT by delineation of the pericardium in axial images...
2017: PloS One
https://www.readbyqxmd.com/read/28822806/pericardial-adipose-and-aromatase-a-new-translational-target-for-aging-obesity-and-arrhythmogenesis
#7
Gabriel B Bernasochi, Wah Chin Boon, Claire L Curl, Upasna Varma, Salvatore Pepe, Marianne Tare, Laura J Parry, Evdokia Dimitriadis, Stephen B Harrap, Chrishan J Nalliah, Jonathan M Kalman, Lea M D Delbridge, James R Bell
A correlation exists between the extent of pericardial adipose and atrial fibrillation (AF) risk, though the underlying mechanisms remain unclear. Selected adipose depots express high levels of aromatase, capable of converting androgens to estrogens - no studies have investigated aromatase occurrence/expression regulation in pericardial adipose. The Women's Health Initiative reported that estrogen-only therapy in women elevated AF incidence, indicating augmented estrogenic influence may exacerbate cardiac vulnerability...
October 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28817459/relation-between-epicardial-fat-and-subclinical-atherosclerosis-in-asymptomatic-individuals
#8
Rami M Abazid, Osama A Smettei, Mohammad Obadah Kattea, Sawsan Sayed, Hanaa Saqqah, Adel M Widyan, Maksymilian P Opolski
PURPOSE: Excessive quantity of epicardial adipose tissue (EAT) is considered a risk factor for coronary artery disease (CAD). There are limited data, however, on the relationship between the quality of EAT and CAD. We investigated the association between the density and volume of EAT and subclinical CAD defined by positive coronary artery calcification (CAC), using computed tomography (CT). MATERIALS AND METHODS: We reviewed 609 consecutive CT scans of patients with a mild to moderate risk for CAD to assess the EAT volume, which was measured manually by tracing the parietal pericardial sac on axial images...
August 16, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28811999/quantitative-analysis-of-epicardial-fat-volume-effects-of-scanning-protocol-and-reproducibility-of-measurements-in-non-contrast-cardiac-ct-vs-coronary-ct-angiography
#9
Luigia D'Errico, Francesco Salituri, Marco Ciardetti, Riccardo Favilla, Alessandro Mazzarisi, Giuseppe Coppini, Carlo Bartolozzi, Paoli Marraccini
BACKGROUND: Several studies have focused on the role of epicardial fat in the pathogenesis of cardiovascular disease (CVD). The main purpose of the study was to evaluate a computerized method for the quantitative analysis of epicardial fat volume (EFV) by non-contrast cardiac CT (NCT) for coronary calcium scan and coronary CT angiography (coronary CTA). METHODS: Thirty patients (61±12.5 years, 73% male, body mass index (BMI) =25.9±6.3 kg/m(2)) referred to our Institution for suspected coronary artery disease (CAD) underwent NCT and coronary CTA...
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28808885/the-association-of-epicardial-fat-volume-with-coronary-characteristics-and-clinical-outcome
#10
Kohichiro Iwasaki, Norio Urabe, Atsushi Kitagawa, Toshihiko Nagao
Recent studies have demonstrated the relationship between epicardial fat volume (EFV) and coronary atherosclerosis, but their association is modest at best. Our purpose is to elucidate the association of epicardial fat with coronary characteristics and clinical outcome. We performed coronary computed tomographic angiography in 651 patients and divided them into three groups according to tertiles of EFV; low-tertile (n = 215), 36-123 ml; middle-tertile (n = 218), 124-165 ml; high-tertile (n = 218), 166-489 ml...
August 14, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28808841/prognostic-significance-of-myocardial-energy-expenditure-and-myocardial-efficiency-in-patients-with-heart-failure-with-reduced-ejection-fraction
#11
Mehmet S Cetin, Elif H Ozcan Cetin, Ugur Canpolat, Hatice Sasmaz, Ahmet Temizhan, Sinan Aydogdu
In heart failure with reduced ejection fraction (HFrEF) patients, myocardial blood flow (MBF), myocardial energy expenditure (MEE), myocardial efficiency has been poorly evaluated because of the necessity of invasive procedures in the determination of these parameters. Transthoracic echocardiography (TTE) can provide reliable data for MEE, MBF (via coronary sinus (CS) flows). Also, myocardial efficiency can be evaluated by the MEE to MBF ratio. We aim to assess MBF, MEE and energy efficiency and the prognostic value of these parameters in HFrEF...
August 14, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28798020/unipolar-endocardial-voltage-mapping-in-the-right-ventricle-optimal-cutoff-values-correcting-for-computed-tomography-derived-epicardial-fat-thickness-and-their-clinical-value-for-substrate-delineation
#12
Jeroen Venlet, Sebastiaan R D Piers, Gijsbert F L Kapel, Marta de Riva, Philippe F G Pauli, Rob J van der Geest, Katja Zeppenfeld
BACKGROUND: Low endocardial unipolar voltage (UV) at sites with normal bipolar voltage (BV) may indicate epicardial scar. Currently applied UV cutoff values are based on studies that lacked epicardial fat information. This study aimed to define endocardial UV cutoff values using computed tomography-derived fat information and to analyze their clinical value for right ventricular substrate delineation. METHODS AND RESULTS: Thirty-three patients (50±14 years; 79% men) underwent combined endocardial-epicardial right ventricular electroanatomical mapping and ablation of right ventricular scar-related ventricular tachycardia with computed tomographic image integration, including computed tomography-derived fat thickness...
August 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28796027/heart-fat-in-hiv-marker-or-mediator-of-risk
#13
Jonathan Buggey, Chris T Longenecker
PURPOSE OF REVIEW: The review aims to summarize the literature describing the clinical impact of cardiac fat depots in patients with HIV infection. RECENT FINDINGS: People living with HIV (PLHIV) have accelerated rates of cardiovascular disease, and are prone to the development of ectopic fat deposition. Specifically, PLHIV have higher volumes of epicardial and intracardiac fat quantified by noninvasive imaging. Higher volumes of epicardial fat may be related to antiretroviral therapy duration and chronic inflammation, independently of other measures of body adiposity such as BMI...
August 8, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28770033/epicardial-fat-thickness-is-correlated-with-vagal-hyperactivity-in-patients-with-neurally-mediated-syncope
#14
Kyoung Im Cho, Young Soo Lee, Byong Kyu Kim, Bong Joon Kim, Kee Sik Kim
BACKGROUND: Epicardial fat tissue has unique endocrine and paracrine functions that affect the cardiac autonomic system. The head-up tilt test (HUTT) is a simple non-invasive measurement that assesses autonomic nervous system dysfunction. We investigated the association between epicardial fat thickness (EFT) and autonomic neural tone, such as vagal tone. METHODS: A total of 797 consecutive patients (mean age 46.5 years, male: 45.7%) who underwent HUTT and echocardiography between March 2006 and June 2015 were enrolled...
June 2017: Journal of Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28763398/cardiovascular-fat-in-women-at-midlife-effects-of-race-overall-adiposity-and-central-adiposity-the-swan-cardiovascular-fat-study
#15
Carrie Hanley, Karen A Matthews, Maria M Brooks, Imke Janssen, Matthew J Budoff, Akira Sekikawa, Suresh Mulukutla, Samar R El Khoudary
OBJECTIVES: Cardiovascular fat (CF) is associated with greater coronary heart disease (CHD) risk. Postmenopausal women have greater CF volumes than premenopausal women, and the association between specific CF depot volumes and CHD risk is more pronounced after menopause. Race, central adiposity, and visceral adiposity are important factors that could impact CF volumes. Whether racial differences in CF volumes and in their associations with central (visceral fat [VAT]) and general adiposity (body mass index [BMI]) exist in midlife women have not been addressed before...
July 31, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28762019/epicardial-adipose-tissue-as-a-metabolic-transducer-role-in-heart-failure-and-coronary-artery-disease
#16
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...
July 31, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28758421/pcsk9-deficiency-results-in-increased-ectopic-fat-accumulation-in-experimental-models-and-in-humans
#17
Andrea Baragetti, Gloria Balzarotti, Liliana Grigore, Fabio Pellegatta, Uliano Guerrini, Giuseppina Pisano, Anna L Fracanzani, Silvia Fargion, Giuseppe D Norata, Alberico L Catapano
Background Proprotein convertase subtilisin kexin type 9 (PCSK9) regulates low-density lipoprotein and very low-density lipoprotein receptor expression in several tissues. Here we evaluated whether PCSK9 may modulate the handling of triglycerides in the liver and peripheral tissues. Methods Subjects from the PLIC cohort were genotyped for the loss-of-function PCSK9 R46L variant and characterized for clinical and biochemical parameters, total and android fat mass, hepatic steatosis and epicardial fat thickness...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28752137/echocardiographic-epicardial-fat-thickness-measurement-a-new-screening-test-for-subclinic-atherosclerosis-in-patients-with-inflammatory-bowel-diseases
#18
Kamil Ozdil, Zuhal Caliskan, Nursen Keles, Oguzhan Ozturk, Ahmet Selami Tekin, Resul Kahraman, Levent Doganay, Kenan Demircioglu, Yusuf Yilmaz, Mustafa Caliskan
OBJECTIVE: Inflammatory bowel diseases (IBD) consist of a number of chronic inflammatory diseases. Inflammatory process is known to be involved in all stages of atherosclerosis. Early atherosclerosis is reflected by increased levels of carotid artery intima media thickness (c-IMT) and high-sensitivity C-reactive protein (hs-CRP). Epicardial fat thickness (EFT) strongly influences both the formation and progression of atherosclerosis. Recent studies have demonstrated a relationship between c-IMT and hs-CRP levels and the risk of atherosclerosis in patients with IBD...
2017: Northern Clinics of Istanbul
https://www.readbyqxmd.com/read/28739186/epicardial-fat-thickness-correlates-with-p-wave-duration-left-atrial-size-and-decreased-left-ventricular-systolic-function-in-morbid-obesity
#19
A Fernandes-Cardoso, M Santos-Furtado, J Grindler, L A Ferreira, J L Andrade, M A Santo
BACKGROUND AND AIM: Epicardial fat (EF) is increased in obesity and has important interactions with atrial and ventricular myocardium. Most of the evidence in this scenario can be confused by the presence of comorbidities such as hypertension, diabetes and dyslipidemia, which are very common in this population. The influence of EF on atrial remodeling and cardiac function demands further investigation on morbidly obese without these comorbidities. METHODS AND RESULTS: We prospectively recruited 20 metabolically healthy morbidly obese and 20 normo-weights controls...
August 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28739185/novel-atherogenic-pathways-from-the-differential-transcriptome-analysis-of-diabetic-epicardial-adipose-tissue
#20
COMPARATIVE STUDY
V Camarena, D Sant, M Mohseni, T Salerno, M L Zaleski, G Wang, G Iacobellis
BACKGROUND AND AIM: To evaluate the epicardial adipose tissue (EAT) transcriptome in comparison to subcutaneous fat (SAT) in coronary artery disease (CAD) and type 2 diabetes (T2DM). METHODS AND RESULTS: SAT and EAT samples were obtained from subjects with T2DM and CAD (n = 5) and those without CAD with or without T2DM (=3) undergoing elective cardiac surgery. RNA-sequencing analysis was performed in both EAT and SAT. Gene enrichment analysis was conducted to identify pathways affected by the differentially expressed genes...
August 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
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