Table 1.
Patient and target lesion before coronary interventions
| Direct stenting (n=30) | Predilation stenting (n=30) | p Value | |
| Vessel treated | |||
| LAD | 13 (43%) | 15 (50%) | NS |
| LCx | 9 (30%) | 7 (23%) | NS |
| RCA | 8 (27%) | 8 (27%) | NS |
| IVUS mean diameter reference (mm) | 3.05 (0.5) | 2.82 (0.4) | 0.08 |
| Plaque eccentricity ratio | 3.62 (2.3) | 3.64 (3.2) | NS |
| Plaque composition | |||
| Soft | 17 (57%) | 12 (41%) | NS |
| Heterogeneous | 8 (27%) | 13 (43%) | NS |
| Dense | 5 (16%) | 5 (16%) | NS |
| Mean remodelling ratio | −5.2 (25) | 0.8 (35) | NS |
| Positive remodelling (n) | 9 | 12 | NS |
| Negative remodelling (n) | 21 | 18 | 0.02 |
| Number of balloon inflations | 1.9 (0.7) | 3.9 (1.1) | <0.001 |
| Mean diameter of stent used (mm) | 3.48 (0.4) | 3.23 (0.4) | 0.02 |
| Maximum BIP (atm) | 15.13 (3.18) | 12.4 (2.35) | 0.001 |
| Stent/artery ratio | 1.24 (0.13) | 1.23 (0.17) | NS |
Values are mean (SD) unless stated.
BIP, balloon inflation pressure; IVUS, intravascular ultrasound; LAD, left anterior descending coronary artery; LCx, left circumflex coronary artery; RCA, right coronary artery.