Table 2. Angiographic characteristics of patients undergoing CART.
| Variables | n=45 |
|---|---|
| CTO vessel | |
| Left anterior descending | 13 (28.9) |
| Circumflex | 10 (22.2) |
| Right coronary | 22 (48.9) |
| Moderate/severe proximal tortuosity | 30 (66.7) |
| Proximal cap ambiguity | 42 (93.3) |
| Blunt stump | 42 (93.3) |
| Length >20 mm | 43 (95.6) |
| Tortuosity | 20 (44.4) |
| Moderate/severe calcification | 43 (95.6) |
| Retry | 13 (28.9) |
| In-stent CTO | 11 (24.4) |
| J-CTO score | 3.6±0.9 |
| J-CTO score ≥2 | 44 (97.8) |
| PROGRESS-CTO anatomical score | 1.9±0.7 |
| PROGRESS-CTO MACE score | 4.8±0.7 |
| PROGRESS-CTO death score | 3.0±0.7 |
| PROGRESS-CTO pericardiocentesis score | 3.8±0.5 |
| PROGRESS-CTO MI score | 1.8±0.7 |
| PROGRESS-CTO perforation score | 4.6±0.5 |
| Data are presented as n (%) or mean±standard deviation. CART: controlled antegrade and retrograde subintimal tracking; CTO: chronic total occlusion; J-CTO: Multicentre CTO Registry of Japan; MACE: major adverse cardiac events; MI: myocardial infarction; PROGRESS-CTO: Prospective Global Registry for the Study of Chronic Total Occlusion Intervention | |