CCL2 and atrial fibrillation: We performed an analysis of the IL‐6 and MCP1 inflammation‐related gene mRNA expression levels in paired SAT and EAT SVC from 12 patients (69 ± 9 years old, body mass index (BMI): 28.75 ± 3.84 kg/m2, 50% with coronary artery disease (CAD), 16.7% with type 2 diabetes mellitus (T2DM), 66.7% hypertensive, 8.3% with heart failure (HF) and 33.3% with AF).