Results of Clinical Studies

Fig. 25.1

Per-patient diagnostic performance (sensitivity, specificity, and nondiagnostic rate) of coronary CT angiography in native coronary vessels, when compared with conventional coronary angiography as the reference (gold) standard. Results were obtained using all published studies on this topic. Error bars represent 95% confidence intervals. Please note that because this figure represents per-patient results, direct comparison with the following figures (per-graft and per-stent results) is not possible

25.2 Coronary Artery Bypasses

Assessing coronary arterial and venous bypass grafts is an important application of CT in some patients (e.g., patients with recurrent chest pain and equivocal stress results). Numerous single-center studies have addressed the diagnostic performance of CT in coronary artery bypass grafts, and we have summarized the results as per-graft sensitivity and specificity in Figs. 25.2 and 25.3.

Fig. 25.2

Per-graft diagnostic performance (sensitivity, specificity) of coronary CT angiography in detecting coronary artery bypass graft occlusion, when compared with conventional coronary angiography as the reference (gold) standard. Results were obtained using all published studies on this topic. Error bars represent 95% confidence intervals