Table 2 Angiographic and procedural characteristics of the patients
|
Total n = 59 |
ELCA group n = 21 |
Non-ELCA group n = 38 | p value | |
|---|---|---|---|---|
| Lesion location | ||||
| Left anterior descending (%) | 27 (45.8) | 14 (66.7) | 13 (34.2) | |
| Left circumflex (%) | 10 (16.9) | 2 (9.5) | 8 (21.1) | |
| Right coronary artery (%) | 22 (37.3) | 5 (23.8) | 17 (44.7) | 0.056 |
| Multiple vessel disease (%) | 55 (93.2) | 20 (95.2) | 35 (92.1) | 1.000 |
| Syntax score | 19.4 ± 7.6 | 21.9 ± 3.3 | 18.7 ± 8.3 | 0.141 |
| J-CTO score | 1.87 ± 0.81 | 2.57 ± 0.79 | 1.67 ± 0.70 | 0.007 |
| Treatment with DCB (%) | 49 (83.1) | 16 (76.2) | 33 (86.8) | 0.306 |
| Treatment with DES (%) | 26 (44.1) | 13 (61.9) | 13 (34.2) | 0.040 |
| IVUS | 12 (20.3) | 5 (23.8) | 7 (18.4) | 0.739 |
| OCT | 1 (1.7) | 1 (4.8) | 0 (0) | 0.356 |
| Before intervention | ||||
| Lesion length (mm) | 33.5 ± 11.3 | 36.4 ± 13.2 | 32.7 ± 10.7 | 0.363 |
| Reference lumen diameter (mm) | 2.79 ± 0.54 | 3.08 ± 0.52 | 2.72 ± 0.52 | 0.059 |
| After intervention | ||||
| Minimum lumen diameter (mm) | 1.90 ± 0.63 | 2.36 ± 0.29 | 1.78 ± 0.64 | < 0.001 |
| Percentage diameter stenosis | 32.9 ± 17.5 | 24.5 ± 9.09 | 35.1 ± 18.6 | 0.048 |
| Procedure success (%) | 44 (75.9) | 18 (85.7) | 26 (70.3) | 0.187 |
| Fluoroscopic time (min) | 37.3 ± 20.9 | 30.4 ± 16.4 | 39.2 ± 21.7 | 0.400 |
| Contrast volume (mL) | 230.4 ± 58.4 | 254.2 ± 52.6 | 223.7 ± 58.8 | 0.146 |