alexa Threshold values of high-risk echocardiographic epicardial fat thickness.
Diabetes & Endocrinology

Diabetes & Endocrinology

Journal of Metabolic Syndrome

Author(s): Iacobellis G, Willens HJ, Barbaro G, Sharma AM

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Abstract OBJECTIVE: Echocardiographic epicardial adipose tissue is a new index of cardiac and visceral adiposity with great potential as a diagnostic tool and therapeutic target. In this study, we sought to provide threshold values of echocardiographic epicardial fat thickness associated with metabolic and anthropometric risk factors. METHODS AND PROCEDURES: Epicardial fat thickness was measured in 246 consecutive white subjects (120 women, 126 men, median age 46 years (30-65), median BMI 32 kg/m(2) (22-52), median waist circumference 100.5 cm (85-140)), who underwent routine transthoracic echocardiogram for standard clinical indications. Metabolic syndrome (MetS), Insulin resistance, BMI, and waist circumference categories were identified and epicardial fat was calculated. RESULTS: Among 246 subjects, 58\% had MetS. These subjects showed median values of epicardial fat thickness of 9.5 and 7.5 mm (in men and women, respectively), significantly higher than those found in subjects without MetS (no MetS) (P < 0.001). Receiver operating characteristics (ROC) analysis showed that epicardial fat thickness of 9.5 and 7.5 mm maximize the sensitivity and specificity to predict MetS, in men and women, respectively. In separate analyses, median epicardial fat thickness values of 9.5 and 7.5 mm were cutoff points associated with high abdominal fat in men and women, respectively. When insulin sensitivity was considered separately, epicardial fat thickness of 9.5 mm was associated with insulin resistance. DISCUSSION: Median values of 9.5 and 7.5 mm should be considered the threshold values for high-risk echocardiographic epicardial fat thickness in white men and women, respectively. Echocardiographic epicardial fat measurement may be of help for cardiometabolic risk stratification and therapeutic interventions targeting the fat. This article was published in Obesity (Silver Spring) and referenced in Journal of Metabolic Syndrome

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