Assessment of visceral adipose tissue in patients with coronary artery disease using bioelectrical impedance analysis

Aim. To study visceral adipose tissue (VAT) content in patients with coronary artery disease (CAD) using the bioimpedance analysis, to identify metabolic disorders associated with visceral obesity, and to determine the role of individual risk factors in the formation of coronary artery lesions using modern statistical methods.

Material and methods. A total of 152 patients were examined (women, 66; men, 86). The median age of patients was 63 [55;69] years. This observational study assessed anthropometric parameters, such as height, weight, body mass index, waist circumference, whole-body fat percentage, and specifically VAT mass, as well as the relationship of these parameters with blood levels of triglycerides, high-density lipoprotein cholesterol (HDL-C) and glucose. Height was measured using a metal height meter RM-1 “Diakoms”. Weight, body mass index, wholebody fat percentage, and VAT mass were measured using the Omron BF-508 body composition monitor (Omron, Japan). Epicardial adipose tissue (EAT) thickness was assessed using two-dimensional echocardiography on a Philips Sonos 5500 ultrasound system (Germany).

Results. Bioimpedance analysis revealed a higher VAT content in patients with CAD compared with those without CAD (14 [11;18]% vs 13 [10;14,5]%, respectively (p=0,025)). During the ROC analysis, cut-off values for VAT ≥15% and EAT ≥7,5 mm were identified, associated with a higher risk of CAD. In multivariate analysis, only HDL-C levels were significantly associated with CAD, while at the same time, univariate analysis demonstrated the significance of VAT and EAT in predicting CAD.

Conclusion. The results showed that an increased VAT content and low HDL-C level is associated with the presence of CAD.

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