Table 2.
Procedural characteristics and clinical outcomes for patients stratified by ENI status.
| All | ENI– | ENI+ | p -value | |
|---|---|---|---|---|
| Number of patients | 61 (100%) | 37 (61%) | 24 (39%) | |
| Mechanical thrombectomy | ||||
| Admission mothership (%) | 33 (54%) | 16 (43%) | 17 (71%) | 0.085 |
| Type of anesthesia | 0.524 | |||
| General anesthesia (%) | 55 (90%) | 32 (87%) | 23 (96%) | |
| Conscious sedation (%) | 4 (7%) | 3 (8%) | 1 (4%) | |
| CS then GA (%) | 2 (3%) | 2 (5%) | 0 (0%) | |
| Technique | 0.415 | |||
| Contact aspiration (%) | 20 (33%) | 10 (27%) | 10 (42%) | |
| Stent-retriever (%) | 14 (23%) | 8 (22%) | 6 (25%) | |
| Combined (%) | 27 (44%) | 19 (51%) | 8 (33%) | |
| Number of passes (median, IQR) | 2 (1–3) | 2 (1–3) | 2 (1–3) | 0.512 |
| Procedural complication (%) | 8 (13%) | 7 (19%) | 1 (4%) | 0.132 |
| mTICI ≥ 2b (%) | 48 (79%) | 28 (76%) | 20 (83%) | 0.746 |
| mTICI ≥ 2c (%) | 23 (38%) | 12 (32%) | 11 (46%) | 0.419 |
| Times | ||||
| Puncture to recanalization delay in min (median, IQR) | 47 (25–70) | 49 (27–74) | 45 (24–61) | 0.268 |
| Onset to recanalization delay in min (median, IQR) | 290 (225–330) | 310 (242–330) | 238 (194–314) | 0.069 |
| Early outcomes | ||||
| Day 1 NIHSS (median, IQR) | 5 (2–10) | 9 (6–15) | 1 (1–4) | <0.0001 |
| NIHSS shift (median, IQR) | −3 (−11 to 0) | −2 (−3 to 2) | −12 (−14 to −9) | <0.0001 |
| Day 1 hemorrhagic transformation (%) | 19 (31%) | 12 (32%) | 7 (29%) | 1.000 |
| ECASS PH-Type (%) | 8 (13%) | 4 (11%) | 4 (17%) | 0.533 |
| Final stroke volume, mL (median, IQR) | 16.3 (6.6–37.1) | 19.6 (14–48.3) | 8 (5–19.9) | 0.001 |
| Stroke progression, mL (median, IQR) | 12 (5.6–27.9) | 18 (8.6–37) | 5.9 (4.2–13.3) | 0.001 |
| Long-term (3 months) outcomes | ||||
| mRS 0–1 (%) | 24 (39%) | 6 (16%) | 18 (75%) | <0.0001 |
| mRS 0–2 (%) | 36 (59%) | 16 (43%) | 20 (83%) | 0.019 |
| Mortality (%) | 5 (8%) | 5 (14%) | 0 (0%) | 0.147 |
Significant p-values highlighted in bold.