Table 2. Angiographic and procedural characteristics.
| Characteristic | Total (n = 100) | Unfractionated heparin (n = 50) | Bivalirudin (n = 50) |
|---|---|---|---|
| Sheath size (French) | 5.6 ± 0.5 | 5.5 ± 0.5 | 5.6 ± 0.5 |
| Radial approach, n (%) | 84 (84) | 39 (78)a | 45 (90)a |
| Single vessel disease, n (%) | 14 (14) | 7 (14) | 7 (14) |
| Double vessel disease, n (%) | 42 (42) | 22 (44) | 20 (40) |
| Triple vessel disease, n (%) | 34 (44.7) | 17 (44.7) | 17 (44.7) |
| Left main disease, n (%) | 7 (7) | 1 (2) | 6 (12) |
| Multivessel PCI, n (%) | 23 (23) | 13 (26) | 10 (20) |
| Number of treated lesions (n) | 123 | 63 | 60 |
| Calcified-treated lesions, n (%) | 52 (42.3) | 22 (34.9)a | 30 (50)a |
| Bifurcation-treated lesions, n (%) | 24 (19.5) | 12 (19) | 12 (20) |
| Ostial-treated lesions, n (%) | 12 (9.8) | 5 (7.9) | 7 (11.6) |
| Intervention on SVG, n (%) | 6 (4.8) | 2 (3.2) | 4(6.7) |
| Intervention on LM, n (%) | 1 (0.8) | 1 (1.6) | − |
| Intervention on LAD, n (%) | 54 (43.9) | 31 (49.2) | 23 (38.3) |
| Intervention on CX, n (%) | 35 (28.4) | 19 (30.1) | 16 (26.7) |
| Intervention on RCA, n (%) | 27 (21.9) | 10 (15.9) | 17 (28.3) |
| Stent usage, n (%) | 99 (80.5) | 52 (82.5) | 47 (78.3) |
| Bare metal stent usage, n (%) | 79 (79.8) | 40 (76.9) | 39 (82.9) |
| Drug eluting stent usage, n (%) | 20 (20.2) | 12 (23.1) | 8 (17) |
| Stent length (mm), mean ± SD | 14 ± 4.9 | 13.7 ± 4.8 | 14.4 ± 4.9 |
| Stent width (mm), mean ± SD | 3.1 ± 0.4 | 3 ± 0.4 | 3.3 ± 0.5 |
Abbreviations: CX, circumflex artery; LAD, left anterior descending; LM, left main; PCI, percutaneous coronary intervention; RCA, right coronary artery; SD, standard deviation; SVG, saphenous vein graft.
a
p < 0.05.