Table 2.
Procedural characteristics and outcomes of all study lesions, classified according to use of antegrade dissection re-entry.
| Variable | Overall | Antegrade Dissection Re-entry |
Non-Antegrade Dissection Re-entry |
|
|---|---|---|---|---|
|
Procedural
Characteristics and Outcomes |
n=1313 | n=458 | n=855 | p |
| IVUS used (%) | 37.6 | 50.2 | 30.8 | <0.001 |
| Stenting (%) | 88.7 | 84.3 | 91.0 | <0.001 |
| Number of stents* | 2.5±1.1 | 2.9±1.1 | 2.3±1.0 | <0.001 |
| Hemodynamic support (LVAD) (%) |
4.5 | 4.4 | 4.5 | 0.92 |
| Fluoroscopy time (min)* |
45.8 (27.3-75.2) | 58.1 (37.2-87.1) | 38.45 (23.7- 67.5) |
<0.001 |
| Patient air kerma dose (Gray)* |
3.5 (2-5.4) | 4.1 (2.6-6) | 3.0 (1.7-5.0) | <0.001 |
| Procedure time (min)* |
126 (85-186) | 156.5 (112.3- 216.8) |
111 (75-165) | <0.001 |
| Contrast volume (ml)* |
260 (200-360) | 310 (226-411) | 250 (180-320) | <0.001 |
| Technical success (%) |
90.1 | 86.9 | 91.8 | 0.005 |
| Procedural success (%) |
88.7 | 85.0 | 90.7 | 0.002 |
| MACE (%) | 2.4 | 2.9 | 2.2 | 0.42 |
| Death (%) | 0.4 | 0.4 | 0.4 | 0.88 |
| Myocardial infarction (%) |
1.0 | 0.9 | 1.1 | 0.74 |
| Stroke (%) | 0.3 | 0.0 | 0.5 | 0.14 |
| Emergency re-PCI (%) |
0.3 | 0.2 | 0.4 | 0.67 |
| Emergency CABG (%) |
- | - | - | - |
| Emergency pericardiocentesis (%) |
0.7 | 1.8 | 0.1 | <0.001 |
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).