Table 2.
Lesions and procedural characteristics
| Chronic (n = 56) | Acute (n = 118) | P | |
|---|---|---|---|
| No dissections | 0.007 | ||
| Single | 52 (92.9) | 89 (75.4) | |
| Additional | 4 (7.1) | 29 (24.6) | |
| Localized at the renal artery area | 4 (100) | 29 (100.0) | |
| Simultaneously repair | 0 | 1 (3.6) | |
| Distance of dissection to LSCA, cm | 2.49 ± 2.09 | 2.23 ± 1.36 | 0.387 |
| Diameter of false lumen, mm | 38.67 ± 5.69 | 26.83 ± 4.77 | 0.001 |
| Time from onset of symptom to procedure, d | 23.29 ± 6.21 | 4.83 ± 3.65 | <0.001 |
| Stent number, n | 1.13 ± 0.20 | 1.76 ± 0.87 | 0.103 |
| Stent diameter, mm | 36.45 ± 4.34 | 36.64 ± 2.68 | 0.725 |
| Stent length, mm | 130.84 ± 40.59 | 136.11 ± 40.83 | 0.427 |
| Coronary angiography, n (%) | 38 (67.86) | 84 (71.19) | 0.257 |
| 1-vessel disease | 6 (10.8) | 20 (16.9) | 0.203 |
| LAD lesion | 3 (5.4) | 20 (16.9) | 0.046 |
| Multivessel disease | 0 | 8 (6.8) | 0.088 |
| PCI at same stage, n (%) | 3 (5.4) | 8 (6.8) | 1.000 |
| Renal artery occlusion, n (%) | 4 (7.1) | 11 (9.3) | 0.777 |
| Iliac/femoral artery occlusion, n (%) | 0 | 9 (7.6) | 0.059 |
| LSCA occlusion, n (%) | 3 (5.4) | 8 (6.8) | 1.000 |
Abbreviations: LSCA, left subclavian artery; LAD, left anterior descending artery; PCI, percutaneous coronary intervention.