Angiographic and procedural characteristics
| Characteristic | n (%) |
|---|---|
| Location | |
| Left anterior descending | 42 (45) |
| Left circumflex | 13 (14) |
| Right coronary artery | 31 (33) |
| Saphenous vein graft | 7 (8) |
| De novo/restenosis | 79/14 |
| Chronic total occlusion | 10 (11) |
| Modified ACC/AHA lesion type | |
| A | 12 (13) |
| B1 | 19 (20) |
| B2 | 49 (53) |
| C | 13 (14) |
| Reference vessel size | |
| < 2.5 mm | 11 (12) |
| 2.5–2.99 mm | 36 (39) |
| 3.0–3.49 mm | 30 (32) |
| 3.5–3.99 mm | 16 (17) |
| Stent type and number | |
| Gianturco-Roubin | 37 (31) |
| Wiktor | 55 (46) |
| Palmaz-Schatz | 27 (23) |
| Multiple stents | 26 (28) |
| Mean (SD) reference diameter (mm) | 2.96 (0.50) |
| Mean (SD) lesion length (mm) | 14.3 (10.1) |
| Mean (SD) minimal lumen diameter (mm) | |
| Before stenting | 0.53 (0.46) |
| After stenting | 2.81 (0.61) |
| Mean (SD) diameter stenosis (%) | |
| Before stenting | 80.8 (16.7) |
| After stenting | 6.4 (12.9) |
| Mean (SD) maximum inflation pressure (atm) | 13.5 (2.9) |
| Balloon:vessel ratio | 1.12 (0.18) |
ACC/AHA, American College of Cardiology/American Heart Association.