Table 2 The lesion characteristics according to the standard procedure strategy by intravascular ultrasound evaluation
All n = 970 | POBA n = 246 | DCB n = 232 | BNS n = 231 | DES n = 70 | CS n = 112 | Spot n = 79 | |
|---|---|---|---|---|---|---|---|
Chronic total occlusion | 369 (38%) | 60 (24%) | 47 (20%) | 104 (45%) | 22 (31%) | 69 (62%) | 67 (85%) |
Popliteal alone | 56 (6%) | 30 (12%) | 23 (10%) | 3 (1%) | 0 (0%) | 0 (0%) | 0 (0%) |
Lesion length (mm) | 144 ± 102 | 110 ± 88 | 111 ± 81 | 131 ± 86 | 93 ± 66 | 268 ± 85 | 259 ± 61 |
Distal EEM* diameter(mm) | 6.3 ± 0.9 | 6.1 ± 1.0 | 6.2 ± 0.9 | 6.4 ± 0.9 | 6.6 ± 0.7 | 6.5 ± 1.0 | 6.1 ± 1.0 |
Distal lumen diameter(mm) | 4.9 ± 0.9 | 4.7 ± 1.0 | 4.9 ± 1.0 | 5.0 ± 0.9 | 5.3 ± 0.9 | 5.0 ± 0.9 | 4.7 ± 0.9 |
Calcification–None | 167 (17%) | 48 (20%) | 42 (18%) | 35 (15%) | 16 (23%) | 12 (11%) | 14 (18%) |
< 90° | 212 (22%) | 43 (17%) | 62 (27%) | 49 (21%) | 19 (27%) | 23 (21%) | 16 (20%) |
< 180° | 167 (17%) | 40 (16%) | 40 (17%) | 36 (16%) | 15 (21%) | 20 (18%) | 16 (20%) |
< 270° | 134 (14%) | 36 (15%) | 37 (16%) | 28 (12%) | 8 (11%) | 18 (16%) | 7 (9%) |
< 360° | 161 (17%) | 44 (18%) | 33 (14%) | 32 (14%) | 6 (9%) | 29 (26%) | 17 (22%) |
360° | 129 (13%) | 35 (14%) | 18 (8%) | 51 (22%) | 6 (9%) | 10 (9%) | 9 (11%) |
Subintimal route | 135 (14%) | 9 (4%) | 8 (3%) | 39 (17%) | 4 (6%) | 42 (38%) | 33 (42%) |
Dissection after PTA* | |||||||
None/Grade A/B1 | 468 (60%) | 155 (67%) | 134 (62%) | 101 (63%) | 22 (56%) | 18 (30%) | 38 (59%) |
Grade B2 | 205 (26%) | 65 (28%) | 65 (30%) | 41 (25%) | 10 (26%) | 12 (20%) | 12 (19%) |
Grade C1/C2 | 101 (13%) | 12 (5%) | 18 (8%) | 19 (12%) | 7 (18%) | 31 (51%) | 14 (22%) |
Missing data | 196 (20%) | 14 (6%) | 15 (6%) | 70 (30%) | 31 (44%) | 51 (46%) | 15 (19%) |