Table II.
Procedural outcomes
| Variable | Overall (n=521) |
In-stent restenosis (n=57) |
Primary lesions (n=464) |
P |
|---|---|---|---|---|
| Successful approach | ||||
| Antegrade wiring (%) | 41.1 | 35.3 | 41.8 | |
| Antegrade dissection and re-entry (%) |
27.4 | 33.3 | 26.7 | 0.93 |
| Retrograde (%) | 31.4 | 31.4 | 31.4 | |
| Stenting in successful | ||||
| cases (%) | 97.7 | 96.1 | 97.9 | 0.55 |
| Total stents implanted (N) | 1,181 | 111 | 1,070 | N/A |
| DES (%) | 99.8 | 100.0 | 99.7 | N/A |
| BMS (%) | 0.2 | 0.0 | 0.2 | N/A |
| Stents per patient (N) | 2.6 ± 1.1 | 2.4 ± 1.0 | 2.6 ± 1.1 | 0.08 |
| Fluoroscopy time (min) | 41 (26-65) | 34 (21-70) | 41 (27-65) | 0.47 |
| Contrast volume (mL) | 260 (195-370) | 230 (175-344) | 265 (200-375) | 0.09 |
| Air Kerma Radiation dose (Gray) |
3.79 (2.19 - 5.83) |
3.32 (1.92- 5.77) |
3.87 (2.20- 5.87) |
0.34 |
| Dose Area Product Fluoroscopy dose (Gray- cm2) |
270 (158-413) | 240 (138-369) | 285 (161-427) | 0.26 |
| Technical Success (%) | 92.1 | 89.4 | 92.5 | 0.43 |
| Procedural Success (%) | 89.8 | 86.0 | 90.3 | 0.31 |
| MACE(%) | 2.3 | 3.5 | 2.2 | 0.63 |
Values are mean ± standard deviation or median (interquartile range).
BMS: bare metal stents; DES: drug-eluting stents; MACE: major adverse cardiac effects