Table 4 Procedure-related complications according to collateral channel wiring time.
Shorter CCW group (< 25 min, n = 191) | Longer CCW group (≥ 25 min, n = 157) | p value | |
|---|---|---|---|
Total procedure time | 142.0 ± 55.4 | 166.8 ± 60.5 | < 0.001 |
Procedure time excluding CCW time§ | 127.2 ± 55.3 | 125.8 ± 60.8 | 0.83 |
Technical success | 176 (92.1) | 129 (82.2) | 0.005 |
Procedural success | 166 (86.9) | 117 (74.5) | 0.003 |
In-hospital major adverse events | 9 (4.7) | 12 (7.6) | 0.25 |
In-hospital death | 0 | 0 | NA |
Periprocedural MI* | 5 (2.6) | 11 (7.0) | 0.052 |
Urgent CABG or PCI | 1 (0.5) | 2 (1.3) | 0.59 |
In-hospital CVA | 1 (0.5) | 0 | > 0.99 |
Contrast-induced nephropathy** | 6 (3.1) | 5 (3.2) | > 0.99 |
CC-related complications | |||
Cardiac tamponade | 0 | 1 (0.6) | 0.45 |
Pericardial effusion | 0 | 3 (1.9) | 0.09 |
CC perforation | 6 (3.1) | 26 (16.6) | < 0.001 |
CC hematoma (dye staining at myocardium) | 2 (1.0) | 8 (5.1) | 0.048 |
