Aortic root diameter, main pulmonary artery diameter/aortic root diameter and pericardial fat volume as predictors of occlusive coronary artery disease.

The clinical relevance of aortic root diameter (ARD), main pulmonary artery diameter (MPAd), or pericardial fat volume (PFV) in the assessment of coronary artery disease (CAD) is largely unknown. We aimed to assess the relationship of PFV, ARD, MPAd, and MPAd/ARD ratio with occlusive CAD (stenosis >50%).This cross-sectional study included patients who had chest pain suggestive of CAD and underwent a 64-multislice multi-detector computed tomography angiography exam to exclude occlusive CAD presence.