Table 1

Baseline characteristics of patients by thrombus migration or non-thrombus migration

CharacteristicsTM (N=71)Non-TM (N=556)P value
Age (IQR)66 (59–77)70 (61–76)0.321
Sex (male, %)45 (63.38)309 (55.58)0.332
Baseline NIHSS score (IQR)16 (12–21)17 (13–22)0.037
Medical history, n (%)
 Hypertension45 (63.38)331 (59.53)0.533
 Diabetes mellitus14 (19.72)105 (18.88)0.866
 Atrial fibrillation24 (33.80)267 (48.02)0.024
 Previous ischaemic stroke11 (15.49)75 (13.49)0.644
Cause of emboli, n (%)0.108
 Cardio embolic25 (35.21)255 (45.86)
 Intracranial atherosclerosis3 (4.23)41 (7.37)
 Ipsilateral extracranial11 (15.49)50 (8.99)
 Undetermined32 (45.07)210 (37.77)
Treatment with rtPA, n (%)50 (70.42)267 (48.02)<0.001
Procedure and median duration (minutes)
 Hospital admission to CT18 (7–28)21 (12–32)0.101
 CT to groin puncture72 (54–92)64 (47–86)0.063
 Onset to groin puncture202 (155–240)205 (160–250)0.717
 Onset to rtpa194 (142–232)183 (135–224)0.480
EVT procedure
 Groin puncture to recanalisation55 (38–85)63 (43–95)0.226
 First-pass recanalisation26 (38.24)265 (47.66)0.141
 Stroke onset to recanalisation271 (239, 320.5)275 (225, 329)0.911
eTICI on final angiogram, n (%)
 eTICI 310 (21.27)192 (36.23)0.040
 eTICI≥2b57 (83.82)449 (80.76)0.498
 Attempt times (N)1 (0.00–2.00)2 (1.00–3.00)<0.001
  • Data are n (%), mean (SD), or median (IQR).

  • First pass recanalisation: first attempt eTICI≥2b.

  • AF, atrial fibrillationeTICI, The expanded treatment in cerebral infarction; EVT, endovascular thrombectomy; NIHSS, National Institutes of Health Stroke Scale; rtPA, recombinant tissue plasminogen activator; TM, thrombus migration.