Table 2.
Angiographic and procedural characteristics
| Characteristic | Patients receiving CB-PTA (n=18) |
|---|---|
| Location of initial CAS | |
| Cervical ICA | 16 (88.9) |
| Distal CCA | 1 (5.6) |
| Proximal ECA | 1 (5.6) |
| Stenotic degree after initial CAS (%) | 30.0±0.2 |
| Time interval from initial CAS to ISR (d) | 390 (325–666) |
| Symptomatic ISR | 4 (22.2) |
| Calcification of grade 2 or 3 | 12 (66.7) |
| Stenotic degree of ISR (%) | |
| Before the procedure | 79.2±0.1 |
| After the procedure | 34.7±0.1 |
| Requirement for additional stenting | 2 (11.1) |
| Periprocedural complication | 0 (0) |
Values are presented as number (%), mean±standard deviation, or median (interquartile range).
CB-PTA, cutting balloon-percutaneous transluminal angioplasty; CAS, carotid artery stenting; ICA, internal carotid artery; CCA, common carotid artery; ECA, external carotid artery; ISR, in-stent restenosis.