Table 4.
Procedural characteristics and outcomes of lesions approached with antegrade-only techniques, classified according to use of antegrade dissection re-entry.
| Variable | Overall | Antegrade Dissection Re-entry |
AWE-only | |
|---|---|---|---|---|
|
Procedural
Characteristics and Outcomes |
n=767 | n=248 | n=519 | p |
| IVUS used (%) | 10.7 | 12.3 | 9.9 | 0.38 |
| Stenting (%) | 91.7 | 89.7 | 92.6 | 0.18 |
| Number of stents* | 2.3±1.0 | 2.7±1.0 | 2.1±1.0 | <0.001 |
| Hemodynamic support (LVAD) (%) |
2.3 | 1.1 | 2.8 | 0.22 |
| Fluoroscopy time (min)* | 31.8 (20.1- 46.6) |
41.7 (28.4- 58.4) |
27.1 (17.8- 38.4) |
<0.001 |
| Patient air kerma dose (Gray)* |
2.6(1.6-4.2) | 3.1 (2.1-4.7) | 2.3 (1.4-3.9) | <0.001 |
| Procedure time (min)* | 100(67.5- 135.5) |
121 (98-159) | 87 (60-124) | <0.001 |
| Contrast volume (ml)* | 245 (180- 318.3) |
280 (210-363) | 225 (170-300) | <0.001 |
| Technical success (%) | 93.7 | 92.7 | 94.2 | 0.43 |
| Procedural success (%) | 93.3 | 91.8 | 94.1 | 0.23 |
| MACE (%) | 1.1 | 2.1 | 0.6 | 0.12 |
| Death (%) | 0.1 | 0.4 | 0 | 0.32 |
| Myocardial infarction (%) | 0.3 | 0.8 | 0 | 0.10 |
| Stroke (%) | 0.3 | 0 | 0.4 | >0.99 |
| Emergency re-PCI (%) | 0.1 | 0 | 0.2 | >0.99 |
| Emergency CABG (%) | - | - | - | - |
| Emergency pericardiocentesis (%) |
0.03 | 0.8 | 0 | 0.10 |
CABG, coronary artery bypass graft surgery; IVUS, intravascular ultrasound; LVAD, left ventricular assist device; kerma, kinetic energy released per unit mass; MACE, major adverse cardiovascular events; PCI, percutaneous coronary intervention
*
mean±standard deviation or median (interquartile range).