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Epicardial fat

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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...
June 1, 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
#12
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...
June 10, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28730800/optimizing-the-role-of-transthoracic-echocardiography-to-improve-the-cardiovascular-risk-stratification-the-dream-of-subclinical-coronary-artery-disease-detection
#13
Giovanni Benfari, Andrea Rossi, Giulia Geremia, Giulia Vinco, Carlo Zivelonghi, Aldo D Milano, Leonardo Gottin, Flavio L Ribichini, Francesco Onorati, Giuseppe Faggian
Detecting coronary artery disease at a subclinical level has always been a challenging task for cardiologists. Various non-invasive echocardiographic approaches such as measurements of left ventricular hypertrophy, diastolic function, left atrial enlargement, valve sclerosis and calcification, epicardial fat thickness, and pulse wave velocity have been proposed to integrate the available risk-charts. The present review is a collection of evidence that supports the role of the above mentioned features in cardiac risk stratification, summarizing the state of the art in non-invasive echocardiographic coronary risk assessment...
July 21, 2017: Minerva Medica
https://www.readbyqxmd.com/read/28722134/location-variations-and-predictors-of-epicardial-fat-mapping-using-multi-detector-computed-tomography-to-assist-epicardial-ventricular-tachycardia-ablation
#14
Mariaileen Sourwine, Jean Jeudy, Brian Miller, Rama Vunnam, Hasan Imanli, Olurotimi Mesubi, Martine Etienne-Mesubi, Vincent See, Stephen Shorofsky, Timm Dickfeld
BACKGROUND: A significant number of ventricular tachycardia circuits are located close to the epicardial surface and are amendable to epicardial ablation. Epicardial fat often interferes with substrate mapping and ablation, though little is known regarding the distribution of fat and its fluctuation with the cardiac cycle. METHODS: We studied 40 patients who underwent a 64-slice MDCT in order to describe patterns of epicardial fat distribution, variation during cardiac cycle and clinical predictors of epicardial fat...
July 19, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28721155/clinical-importance-of-epicardial-adipose-tissue
#15
Eszter Nagy, Adam L Jermendy, Bela Merkely, Pal Maurovich-Horvat
Different visceral fat compartments have several systemic effects and may play a role in the development of both insulin resistance and cardiovascular diseases. In the last couple of years special attention has been paid to the epicardial adipose tissue (EAT), which can be quantified by non-invasive cardiac imaging techniques. The epicardial fat is a unique fat compartment between the myocardium and the visceral pericardium sharing a common embryologic origin with the visceral fat depot. Epicardial adipose tissue has several specific roles, and its local effects on cardiac function are incorporated in the complex pathomechanism of coronary artery disease...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28715069/impact-of-diabetes-on-association-between-epicardial-fat-thickness-and-extent-and-complexity-of-coronary-artery-disease-in-patients-with-non-st-elevation-myocardial-infarction
#16
Taner Seker, Caner Turkoglu, Hazar Harbalıoglu, Mustafa Gur
BACKGROUND: Epicardial fat thickness (EFT) is associated with increased cardio metabolic risk. Recent studies have suggested that there is a strong relationship between diabetes and EFT. Although the relationship between EFT and coronary artery disease (CAD) is well known, the possible impact of diabetes on the relationship between EFT and extent and complexity of CAD was not fully investigated. AIM: We aimed to investigate the relationship between EFT and extent and complexity of CAD in patients with non-ST elevation myocardial infarction (NSTEMI) with and without diabetes...
July 17, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28708046/analysis-of-mtnr1b-gene-polymorphisms-in-relationship-with-irs2-gene-variants-epicardial-fat-thickness-glucose-homeostasis-and-cognitive-performance-in-the-elderly
#17
Gianluigi Mazzoccoli, Mariangela Pia Dagostino, Giulia Paroni, Davide Seripa, Filomena Ciccone, Filomena Addante, Giovanni Favuzzi, Elvira Grandone, Roberto Avola, Tommaso Mazza, Caterina Fusilli, Antonio Greco, Salvatore De Cosmo
ABSTARCT Genome-wide association studies pinpointed common variants in or near the MTNR1B gene encoding MT2 melatonin receptor to be strongly associated with fasting glucose levels. IRS2 gene polymorphisms impact insulin resistance and epicardial fat (EF) thickness, which in turn is correlated with visceral adiposity, cognitive ability and risk for metabolic plus cardiovascular disease. We aimed to discover the interactions between MTNR1B and IRS2 gene polymorphisms, insulin sensitivity, EF thickness and cognitive performance in the elderly...
July 14, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28699484/immune-response-to-native-lipoproteins-induces-visceral-obesity-and-aortic-wall-injury-in-rats-the-role-of-testosterone
#18
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/28670756/epicardial-fat-thickness-is-associated-with-aortic-intima-media-thickness-in-patients-without-clinical-manifestation-of-atherosclerotic-cardiovascular-disease
#19
Armağan Acele, Ahmet O Baykan, Gülhan Yüksel Kalkan, Emel Çeliker, Mustafa Gür
BACKGROUND: Although the relationship between epicardial fat thickness (EFTh) and coronary atherosclerosis is well established, this relation in the early periods of atherosclerosis has not been fully demonstrated. On the other hand, thoracic aortic intima-media thickness (IMT) rather than carotid IMT was reported as an earlier marker of preclinical atherosclerosis. OBJECTIVE: We aimed to assess the relationship between thoracic aortic IMT and EFTh in patients undergoing transesophageal echocardiography (TEE) examination for different indications...
July 3, 2017: Echocardiography
https://www.readbyqxmd.com/read/28664417/epicardial-adipose-tissue-at-the-heart-of-the-obesity-complications
#20
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
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