Table 2 Angiographic characteristics and treatment characteristics at first clinical ISR presentation
Parameter | Total | ACS cohort | Non-ACS cohort | P value |
|---|---|---|---|---|
ISR characteristics | (n = 210) | (n = 129) | (n = 81) | |
ISR type | 0.961 | |||
I. Focal | 134 (63.8%) | 84 (65.1%) | 50 (61.7%) | |
II. Diffuse | 23 (11.0%) | 14 (10.9%) | 9 (11.1%) | |
III. Proliferative | 10 (4.7%) | 6 (4.7%) | 4 (4.9%) | |
IV. Complete | 43 (20.5%) | 25 (19.4%) | 18 (22.2%) | |
ISR vessel | 0.203 | |||
Left anterior descending | 112 (53.3%) | 62 (48.1%) | 50 (61.7%) | |
Left circumflex artery | 49 (23.3%) | 33 (25.6%) | 16 (19.8%) | |
Right coronary artery | 47 (22.4%) | 32 (24.8%) | 15 (18.5%) | |
Left main | 2 (1.0%) | 2 (1.6%) | 0 (0.0%) | |
Proximal ISR location | 113 (53.8%) | 68 (52.7%) | 45 (55.6%) | 0.776 |
Disease burden | (n = 191) | (n = 118) | (n = 73) | 0.715 |
Single-vessel disease | 72 (37.7%) | 42 (35.6%) | 30 (41.1%) | |
Double-vessel disease | 67 (35.1%) | 42 (35.6%) | 25 (34.2%) | |
Triple-vessel disease | 52 (27.2%) | 34 (28.8%) | 18 (24.7%) | |
Treatment plan | (n = 191) | (n = 118) | (n = 73) | 0.620 |
Medical therapy | 37 (19.4%) | 24 (20.3%) | 13 (17.8%) | |
CABG | 50 (26.2%) | 33 (28.0%) | 17 (23.3%) | |
PCI | 104 (54.5%) | 61 (51.7%) | 43 (58.9%) | |
Details of PCI | ||||
Procedural success | 101 (97.1%) | 59 (96.7%) | 42 (97.7%) | 1.000 |
PCI type | 0.082 | |||
POBA | 21 (20.2%) | 16 (26.2%) | 5 (11.6%) | |
DCB | 11 (10.6%) | 4 (6.6%) | 7 (16.3%) | |
New DES | 72 (69.2%) | 41 (67.2%) | 31 (72.1%) | |
No. of stents | 1.14 ± 0.35 | 1.16 ± 0.37 | 1.12 ± 0.33 | 0.608 |
Stent length | 29.7 ± 11.0 | 32.0 ± 12.9 | 26.4 ± 6.4 | 0.045 |
Stent diameter | 3.03 ± 0.40 | 3.00 ± 0.36 | 3.08 ± 0.45 | 0.451 |
Adjunct Devices | ||||
Rotablation | 2 (1.9%) | 2 (3.3%) | 0 (0.0%) | 0.342 |
Cutting or NC balloon | 24 (23.1%) | 13 (21.3%) | 11 (25.6%) | 0.390 |
IVUS guidance | 25 (24.0%) | 13 (21.3%) | 12 (27.9%) | 0.292 |