Carotid intima-media thickness in patients with cardiac syndrome X and its association with high circulating levels of asymmetric dimethylarginine

CSX patients had higher plasma ADMA levels and C-IMT values than the controls, reflecting the presence of subclinical atherosclerosis. These findings suggest that, besides endothelial dysfunction, presence of atherosclerosis may also contribute to the etiopathogenesis of the CSX phenomenon.