Intravascular ultrasound results.
| Before PCI | Immediately after PCI | p Value | 98 mins after PCI | *p Value | |
|---|---|---|---|---|---|
| CSA, cross sectional area; EEM, external elastic membrane; I+M, intima plus media; MLA, minimum lumen area. | |||||
| *Significance between results immediately after PCI versus 98 minutes after PCI. | |||||
| Proximal stent edge (mm2) | |||||
| Lumen CSA | 4.4 (1.5) | 7.5 (1.7) | 0.0001 | 6.6 (1.6) | 0.01 |
| Stent CSA | 9.3 (2.8) | 9.8 (2.8) | 0.02 | 10.1 (3.1) | 0.93 |
| EEM CSA | 18.3 (4.4) | 19.4 (4.8) | 0.02 | 18.9 (4.5) | 0.02 |
| I+M CSA | 13.9 (4.3) | 11.7 (4.2) | 0.0004 | 13.4 (4.3) | 0.002 |
| Stent MLA site (mm2) | |||||
| Lumen CSA | 1.9 (0.5) | 7.2 (1.9) | <0.0001 | 5.0 (1.4) | <0.0001 |
| Stent CSA | 8.9 (2.2) | 9.5 (2.5) | <0.01 | 9.3 (2.3) | 0.12 |
| EEM CSA | 18.4 (5.0) | 19.3 (4.8) | 0.01 | 18.8 (4.6) | <0.01 |
| I+M CSA | 16.9 (5.1) | 11.9 (3.5) | <0.0001 | 14.4 (4.2) | <0.0001 |
| Distal stent edge (mm2) | |||||
| Lumen CSA | 3.4 (1.6) | 7.3 (1.8) | 0.0001 | 6.4 (1.7) | 0.03 |
| Stent CSA | 8.8 (2.8) | 9.6 (2.5) | <0.01 | 9.2 (2.8) | 0.44 |
| EEM CSA | 17.7 (5.3) | 18.8 (5.9) | <0.01 | 18.5 (5.8) | 0.05 |
| I+M CSA | 14.3 (5.0) | 11.0 (4.3) | 0.0001 | 11.4 (4.5) | 0.06 |