Table 2.
Lesion characteristics and procedural data.
| Variable | Patients, n (%) | <25 mm lesion length, n (%) | ≥25 mm lesion length, n (%) | p value | |
|---|---|---|---|---|---|
| Number of lesions | 127 (100%) | 58 (45.7%) | 69 (54.3%) | — | |
| Target vessel | LAD | 37 (29.1%) | 15 (25.9%) | 22 (31.9%) | 0.005 |
| LCx | 35 (27.6%) | 24 (41.4%) | 11 (15.9%) | ||
| RCA | 55 (43.3%) | 19 (32.8%) | 36 (52.2%) | ||
| Graft | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | ||
| Multivessel disease | 1-vessel | 103 (81.1%) | 46 (79.3%) | 57 (82.6%) | 0.298 |
| 2-vessels | 22 (17.3%) | 10 (17.2%) | 12 (17.4%) | ||
| 3-vessels | 2 (1.6%) | 2 (3.4%) | 0 (0.0%) | ||
| Thrombus burden | 10 (7.9%) | 5 (8.6%) | 5 (7.2%) | 0.775 | |
| Diffuse vessel disease | 83 (65.4%) | 32 (55.2%) | 51 (73.9%) | 0.027 | |
| Calcification | 54 (42.4%) | 24 (41.4%) | 30 (43.5%) | 0.812 | |
| Ostial lesion | 9 (7.1%) | 5 (8.6%) | 4 (5.8%) | 0.537 | |
| Bifurcations | 8 (6.3%) | 5 (8.6%) | 3 (4.3%) | 0.324 | |
| In-stent restenosis | 12 (9.4%) | 1 (1.7%) | 11 (15.9%) | 0.006 | |
| Severe tortuosity | 17 (13.4%) | 7 (12.1%) | 10 (14.5%) | 0.689 | |
| AHA/ACC type B2/C lesion | 121 (95.3%) | 52 (89.7%) | 69 (100.0%) | 0.006 | |
| Reference diameter (mm) | 2.76 ± 0.40 | 2.7 ± 0.4 | 2.8 ± 0.4 | 0.059 | |
| Lesion length (mm) | 26.8 ± 13.1 | 16.9 ± 4.5 | 35.2 ± 11.9 | <0.001 | |
| DESs used | 160 (100%) | 65 (40.6%) | 95 (59.4%) | — | |
| DES per patient | 1.8 ± 1.3 | 1.4 ± 1.2 | 2.1 ± 1.4 | 0.008 | |
| DES diameter (mm) | 2.7 ± 0.4 | 2.7 ± 0.4 | 2.7 ± 0.4 | 0.690 | |
| DES length (mm) | 29.4 ± 15.8 | 20.3 ± 8.4 | 36.9 ± 16.5 | <0.001 | |
| DES inflation pressure (atm) | 14.3 ± 3.4 | 14.5 ± 3.2 | 14.2 ± 3.5 | 0.638 | |
| Final result (% stenosis) | 4.9 ± 11.3 | 5.7 ± 14.6 | 4.3 ± 7.7 | 0.478 | |
| Overall technical success per lesion | 126 (99.2%) | 58 (100.0%) | 68 (98.6%) | 0.357 | |