Table 2.
Evaluation of segments by conventional coronary angiography, contrast-enhanced coronary cardiovascular magnetic resonance angiography (CE-CCMRA) and dual-source coronary computed tomography angiography (CCTA)
| Artery | No. of Segments ≥ 1.5 mm on x-ray | No. of Assessable Segments on CE-CCMRA (%) | No. of Assessable Segments on DS-CCTA (%) |
|---|---|---|---|
| LM | 51 | 51 (100%) | 51 (100%) |
| LAD | |||
| Proximal | 51 | 50 (98%) | 51 (100%) |
| Middle | 51 | 49 (96%) | 51 (100%) |
| Distal | 48 | 43 (90%) | 46 (96%) |
| Diagonal branches | 56 | 43 (77%) | 50 (89%) |
| LCX | |||
| Proximal | 51 | 50 (98%) | 51 (100%) |
| Distal | 41 | 34 (83%) | 37 (90%) |
| Marginal branches | 61 | 39 (64%) | 53 (87%) |
| RCA | |||
| Proximal | 51 | 50 (98%) | 51 (100%) |
| Middle | 51 | 49 (96%) | 51 (100%) |
| Distal | 49 | 46 (94%) | 47 (96%) |
| PDA/PL | 93 | 74 (80%) | 80 (86%) |
| Total | 654 | 578 (88%) | 619 (95%) |
DS-CCTA dual-source coronary computed tomography angiography, CE-CCMRA contrast-enhanced coronary cardiovascular magnetic resonance angiography, LAD left anterior descending coronary artery, LCX left circumflex coronary artery, LM left main coronary artery, PDA/PL posterior descending artery/posterolateral branch, CAG conventional coronary angiography, RCA right coronary artery, CE contrast-enhanced