Abstract Background and aims: Alterations in epicardial adipose tissue (EAT) biology (i.e.
increased fat thickness and inflammation) have been described in coronary artery disease
(CAD) patients. In addition to its classic role in the regulation of calcium-phosphate homeostasis,
vitamin D may exert immune-regulatory and anti-inflammatory effects. Whether EAT inflammation
may be linked to vitamin D deficiency is still unknown