Table 2 Lesion characteristics
All (n = 27) | GLIMGLIN | P | ||
|---|---|---|---|---|
Success (n = 13) | Failure (n = 14) | |||
Angiography findings | ||||
Lesion length (cm) | 23.6 ± 8.0 | 23.3 ± 7.5 | 23.9 ± 8.8 | 0.73 |
CTO length (cm) | 16.1 ± 8.9 | 15.6 ± 8.4 | 16.6 ± 9.7 | 0.80 |
CTO < 5 cm | 4 (14.8) | 2 (15.4) | 2 (14.3) | 0.98 |
CTO 5 ~ 15 cm | 9 (33.3) | 5 (38.5) | 4 (28.6) | 0.06 |
CTO > 15 cm | 14 (51.9) | 6 (46.2) | 8 (57.1) | 0.58 |
Proximal RVD | 5.9 ± 0.9 | 6.3 ± 0.8 | 5.5 ± 0.9 | 0.02* |
Distal RVD | 5.6 ± 0.6 | 5.9 ± 0.5 | 5.4 ± 0.6 | 0.02* |
PACSS grade | ||||
0 | 12 (44.4) | 8 (61.5) | 4 (28.6) | 0.09 |
1 | 4 (14.8) | 1 (7.7) | 3 (21.4) | 0.33 |
2 | 5 (18.5) | 1 (7.7) | 4 (28.6) | 0.17 |
3 | 2 (7.4) | 1 (7.7) | 1 (7.1) | 0.96 |
4 | 4 (14.8) | 2 (15.4) | 2 (14.3) | 0.94 |
Below-the-knee run-off | ||||
0 | 4 (14.8) | 2 (15.4) | 2 (14.3) | 0.94 |
1 | 5 (18.5) | 4 (30.8) | 1 (7.1) | 0.12 |
2 | 11 (40.7) | 4 (30.8) | 7 (50.0) | 0.32 |
3 | 7 (25.9) | 3 (23.1) | 4 (28.6) | 0.75 |
IVUS findings | ||||
Complete true lumen passage | 22 (81.5) | 13 (100) | 9 (64.3) | 0.02* |
Proximal EEM | 39.1 ± 9.6 | 39.1 ± 11.1 | 39.0 ± 8.4 | 0.88 |
Distal EEM | 29.6 ± 9.7 | 29.3 ± 9.0 | 29.8 ± 10.6 | 0.92 |
Calcium angle | ||||
0 ~ 90° | 8 (29.6) | 5 (38.5) | 3 (21.4) | 0.34 |
91 ~ 180° | 5 (18.5) | 4 (30.8) | 1 (7.1) | 0.12 |
181 ~ 270° | 8 (29.6) | 2 (15.4) | 6 (42.9) | 0.13 |
271 ~ 360° | 6 (22.2) | 2 (15.4) | 4 (28.6) | 0.42 |
Calcium angle > 180° | 14 (51.9) | 4 (30.8) | 10 (71.4) | 0.04* |