Table 2.
Culprit lesion characteristics assessed by angiography and intravascular ultrasound
| Variables | Rupture | Non-rupture | P value |
|---|---|---|---|
| n | 49 | 95 | |
| Angiographic analysis | |||
| Culprit lesion | 0.694 | ||
| LM | 2 (2.6) | 5 (5.3) | |
| LAD | 20 (34.2) | 38 (40.4) | |
| LCX | 9 (15.8) | 16 (16.0) | |
| RCA | 18 (47.4) | 36 (38.3) | |
| Lesion location | 0.579 | ||
| Ostial | 2(2.6) | 6 (6.4) | |
| Proximal | 18 (34.2) | 33 (35.1) | |
| Mild | 23 (52.6) | 44 (46.8) | |
| Distal | 6 (10.5) | 12 (11.7) | |
| 3-vessel disease | 21 (42.9) | 33 (34.7) | 0.340 |
| IVUS analysis | |||
| EEM CSA (mm2) | 20.9 ± 6.4 | 19.4 ± 5.4 | 0.106 |
| Lumen CSA (mm2) | 4.3 ± 1.4 | 4.2 ± 1.0 | 0.585 |
| P&M CSA (mm2) | 16.6 ± 5.9 | 15.1 ± 5.4 | 0.164 |
| Plaque burden (%) | 78.6 ± 8.0 | 76.8 ± 8.3 | 0.209 |
| Length (mm) | 19.0 ± 5.4 | 18.6 ± 6.8 | 0.688 |
| Volume (mm3) | 135.7 ± 55.3 | 127.4 ± 58.5 | 0.402 |
| Remodeling index | 1.01 ± 0.15 | 0.97 ± 0.17 | 0.196 |
Data are given as number (percentage) for categorical variables and mean ± standard deviation
LM left main coronary artery, LAD left anterior descending coronary artery, LCX left circumflex coronary artery, RCA right coronary artery, IVUS intravascular ultrasound, EEM external elastic membrane, CSA cross-sectional areas, P&M plaque plus media