Table 2.
Procedural and Lesion Characteristics*
| Total (N=1020) | Direct stenting (N=672) | Stenting with pre-dilation (N=348) | P value | |
|---|---|---|---|---|
| Procedures | 1099 | 704 | 395 | - |
| Treated lesions | 1.26±0.49 | 1.23±0.47 | 1.30±0.50 | 0.027 |
|
Timing of procedure Elective Urgent Emergent |
886 (80.6) 211 (19.2) 2 (0.2) |
577 (82.0) 126 (17.9) 1 (0.1) |
309 (78.2) 85 (21.5) 1 (0.3) |
0.311 |
| PCI of left main | 15 (1.3) | 5 (0.7) | 10 (2.5) | 0.013 |
| PCI of left anterior descending | 371 (33.8) | 232 (33.0) | 139 (35.2) | 0.452 |
| PCI of left circumflex | 334 (30.4) | 215 (30.5) | 119 (30.1) | 0.886 |
| PCI of right coronary artery | 458 (41.7) | 290 (41.2) | 168 (42.5) | 0.666 |
| PCI of other vessels | 30 (2.7) | 22 (3.1) | 8 (2.0) | 0.283 |
| AHA/ACC type B2 or C lesion | 487 (44.3) | 223 (31.7) | 264 (66.8) | <0.001 |
| Total occlusion | 166 (15.1) | 53 (7.5) | 113 (28.6) | <0.001 |
| Ostial lesion | 24 (2.2) | 16 (2.3) | 8 (2.0) | 0.788 |
| Bifurcation | 96 (8.7) | 46 (6.5) | 50 (12.7) | 0.001 |
| Calcification | 90 (8.2) | 46 (6.5) | 44 (11.1) | 0.008 |
| Tortuosity | 255 (23.2) | 181 (25.7) | 74 (18.7) | 0.009 |
| Long lesion | 261 (23.7) | 118 (16.8) | 143 (36.2) | <0.001 |
| Small vessel disease | 438 (39.9) | 238 (33.8) | 200 (50.6) | <0.001 |
| Skylor™ stents | 1292 | 818 | 474 | - |
| Skylor™ stents per procedure | 1.18±0.45 | 1.16±0.44 | 1.20±0.46 | 0.253 |
| Skylor™ stent diameter | 3.03±0.43 | 3.09±0.43 | 2.93±0.39 | <0.001 |
| Skylor™ stent length | 19.5±10.3 | 17.9±9.1 | 22.5±11.4 | <0.001 |
| Post-dilation | 54 (4.9) | 28 (4.0) | 26 (6.6) | 0.055 |
| Intravascular ultrasound | 1 (0.1) | 1 (0.1) | 0 | 1.0 |
| Procedural success | 1083 (98.5) | 695 (98.7) | 388 (98.2) | 0.512 |
| Glycoprotein IIb/IIIa inhibitors | 1013 (92.2) | 654 (92.9) | 359 (90.9) | 0.233 |
| Intra-aortic balloon pump | 0 | 0 | 0 | 1.0 |
| Dual antiplatelet therapy at discharge | 1016 (99.6) | 640 (99.4) | 376 (100) | 0.126 |
| Duration of dual antiplatelet therapy (months) | 13.3±5.9 | 13.3±5.9 | 13.4±5.7 | 0.762 |
*
reported as n (%) or mean±standard deviation; AHA/ACC=American College of Cardiology/American Heart Association; PCI=percutaneous coronary intervention