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The Cutoff Values of Epicardial Fat in Metabolic Syndrome, Cardiovascular Risk Factors, Coronary and Carotid Stenosis | OMICS International
ISSN: 2167-0943
Journal of Metabolic Syndrome
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The Cutoff Values of Epicardial Fat in Metabolic Syndrome, Cardiovascular Risk Factors, Coronary and Carotid Stenosis

Leonardo Roever* and Resende ES
Federal University of Uberlandia, Department of Clinical Research, Uberlandia, Brazil
*Corresponding Author : Leonardo Roever
Federal University of Uberlandia, Department of Clinical Research Leonardo S Roever-Borges
MHS Av. Para, 1720 – Bairro Umuarama Uberlandia, MG -CEP 38400-902, Brazil
Tel: +553488039878
E-mail: [email protected]
Received: July 28, 2015; Accepted: July 30, 2015; Published: August 03, 2015
Citation: Roever L and Resende ES (2015) The Cutoff Values of Epicardial Fat in Metabolic Syndrome, Cardiovascular Risk Factors, Coronary and Carotid Stenosis. J Metabolic Synd 4:e116. doi: 10.4172/2167-0943.1000e116
Copyright: © 2015 Roever L et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Epicardial fat (EF) is an important role in inflammation and CVD. EF is identified in space between the outer wall of the myocardium and the visceral layer of the pericardium, and its thickness was measured perpendicularly on the free wall of the right ventricle at end-systole in three cardiac cycles [1-3].

Iacobellis et al. studied 246 subjects, 58% had MetS showed with median values of EF thickness of 9.5 (men) and 7.5 mm (women), significantly higher than those found in subjects without MetS (P < 0.001). The ROC analysis showed that EF thickness of 9.5 and 7.5 mm maximize the sensitivity and specificity to predict MetS. EF thickness of 9.5 mm was associated with insulin resistance [4].

Mookadam et al. demonstrated that EF>5 mm was associated with left atrial enlargement, in a cross-sectional study of 97 patients [5].

Pierdomenico et. al. studied 174 Caucasian hypertensive patients, aged ≥40 years, with (BM) <25 kg/mand waist circumference (WC)<102 cm in men and 88 cm in women, MetS was present 12% patients. EF was significantly higher in patients with MetS than in those without MetS (4.0±0.8 vs. 2.5 ± 0.9 mm, P<0.01). The ROC curve analysis showed that EF significantly improved prediction of MetS when added to BMI and WC. The ROC curve for EF alone indicated that the cutoff value of 3.1 mm had the best performance in predicting MetS(100% sensitivity and 79% specificity) [6].

Chumakova et al. studied the influence of EF thickness and WC on the risk of coronary atherosclerosis in obese patients with CHD (138 men, 55.47 ± 9.07 years and BMI 35.2 ± 5.2 kg/m2). The ROC analysis reveals that EF thickness is more informative in diagnosing significant stenosis (≥70%) (sensitivity 80.4%, specificity– 67.6%; cut-off value=6 mm) [7].

Cetin et al. studied the relationship of echocardiographic EF thickness with carotid intima-media thickness, in patients with type 2 diabetes mellitus. A cutoff high risk EF thickness value of 6.3 mm showed a sensitivity (72,5%) and specificity (71.7%), respectively, for the prediction of subclinical carotid atherosclerosis [8]. 

Cabrera-Rego et al. reported a cross-sectional study on 239 patients with suspected disorders of carbohydrate metabolism. EF thickness ≥4.9 mm evidenced 85% sensitivity and 75% specificity to predict insulin resistance, with an area under the ROC curve of 0.815 (95% CI 0.759-0.871). EF had a significant an i association with insulin resistance and a significant correlation with carotid intima-media thickness in the group of patients with HOMA-IR >2.6 [9].

Knowledge of the cutoff thickness of epicardial fat can detect metabolic changes in patients with cardiovascular risk factors and coronary and carotid stenosis.

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