A thoughtful use of CT angiography among patients with prior coronary artery bypass grafts: more lights than shadows?

Coronary computed tomography (CCT) scans with 64 slices has already shown high sensitivity and specificity in the evaluation of coronary artery bypass grafts (CABG) (1). However, there is still debate in the literature regarding its effectiveness and reliability compared to invasive coronary angiography (CA) in the case of native vessels disease (2).