Table 3.
Technical approach and procedural outcomes comparison between first attempt and reattempted procedures.
| Variable | First-Attempt PCI n = 480 | Reattempted PCI n = 47 | p-Value |
|---|---|---|---|
| Approach | |||
| Antegrade | 412 (85.8) | 31 (66) | |
| Retrograde | 62 (12.9) | 14 (29.8) | |
| ADR | 3 (0.6) | 1 (2.1) | 0.005 |
| ADR+retrograde | 2 (0.4) | 1 (2.1) | |
| ADR+retrograde+antegrade | 1 (0.2) | 0 (0) | |
| Procedure time (min) | 150.1 ± 72.3 | 197 ± 83.9 | <0.001 |
| Fluoroscopy time (min) | 68.7 ± 43 | 97.7 ± 55.4 | <0.001 |
| Contrast medium | 252.9 ± 90.6 | 271 ± 104.5 | 0.19 |
| IVUS | 131 (27.3) | 23 (48.9%) | 0.002 |
| Technical success | 383 (79.8) | 36 (76.6) | 0.6 |
| In-hospital death | 3 (0.6%) | 0 (0) | NS |
| Perforation | 3 (0.6%) | 0 (0) | NS |
| MVC | 3 (0.6%) | 0 (0) | NS |
| MI | 11 (2.3) | 0 (0) | 0.6 |
ADR: ategrade dissection reentry; IVUS: intravascular ultrasound; MI: myocardial infarction; MVC: major vascular complication; PCI: percutaneous coronary intervention.