Table 3.
Interventional outcome in patients with tandem occlusions according to extracranial treatment modality.
| PTA only (n = 9) |
Acute stenting (n = 98) |
Deferred stenting (n = 14) |
P | |
|---|---|---|---|---|
| INTERVENTIONAL | ||||
| Age, years | 70 (IQR 65–86) | 71 (IQR 63–78) | 67 (IQR 55–76) | 0.254 |
| Sex, female | 44.4% (4/9) | 24.5% (24/98) | 21.4% (3/14) | 0.377 |
| Admission NIHSS | 11 (IQR 7–18) | 17 (IQR 12–20) | 18 (IQR 15–20) | 0.094 |
| Procedure time | 71 (IQR 51–121) | 92 (IQR 66–120) | 75 (IQR 49–95) | 0.269 |
| Number of maneuvers | 1 (IQR 1–2) | 1 (IQR 1–3) | 3 (IQR 2–3) | 0.048 |
| Intracranial final TICI 2b/3 | 77.8% (7/9) | 69.4% (68/98) | 71.4% (10/14) | 0.932 |
| Complications | 0.398 | |||
| - None - Dissection - Perforation - Other |
- 77.8% (7/9) - 11.1% (1/9) - 11.1% (1/9) - 0% (0/9) |
- 88.8% (87/98) - 8.2% (8/98) - 2.0% (2/98) - 0% (0/98) |
- 100% (14/14) - 0% (0/14) - 0% (0/14) - 0% (0/14) |
|
| Infarct in previously unaffected territories | 0% (0/9) | 8.2% (8/98) | 7.1% (1/14) | 1.000 |
| sICH | 0% (0/9) | 12.2% (12/98) | 7.1% (1/14) | 0.739 |
| aICH | 22.2% (2/9) | 31.6% (31/98) | 21.4% (3/14) | 0.694 |
| Acute in-stent thrombosis during extracranial treatment | 9.2% (9/98) | 0% (0/14) | ||
| ICA patency at end of procedure | 100% (9/9) | 98.0% (96/98) | 100% (14/14) | 1.000 |
| ICA occlusion at day 7 after extracranial procedure | 33.3% (3/9) | 10.3% (10/98) | 7.1% (1/14) | 0.127 |
| 90-day mRS | 3 (1–4) | 3 (1–5) | 2 (0–3) | 0.059 |
| 90-day mRS ≤ 2 | 37.5% (3/8) | 39.6% (38/96) | 64.3% (9/14) | 0.231 |
| 90-day mortality | 0% (0/8) | 24.0% (23/96) | 0% (0/14) | 0.025 |