Table 1

Baseline characteristics, procedural and clinical outcomes for the overall DAO population

MCA–M2
(n=350)
MCA–M3
(n=25)
ACA
(n=10)
PCA
(n=22)
Baseline characteristics % (n)
 Age (years), mean±SD69.1±13.566.7±13.965.9±12.866.2±14.3
 Female53.7 (188)48 (12)30 (3)45.5 (10)
 Hypertension75.4 (264)72 (18)88.9 (8/9)77.3 (17)
 Atrial fibrillation35.5 (124/349)32 (8)33.3 (3/9)22.7 (5)
 Diabetes mellitus23.5 (82/349)32 (8)22.2 (2/9)31.8 (7)
 Previous ICAD0.0 (0/349)0.0 (0)0.0 (0/9)0.0 (0)
 Baseline NIHSS score, median (IQR)13(8–18)11.5(7–15)17.5(12–20)14.0(8–16)
 Pre-morbid mRS 0–186.7 (300/346)95.8 (23/24)80 (8)90.5 (19/21)
 IV-tPA use52.9 (185)48 (12)66.7 (6/9)50 (11)
 TLSW to puncture (hours), median (IQR)4.1 (2.8–6.4)5.2 (2.9–7.8)2.6 (2.2–5.0)4.7 (3.5–10.7)
 Time from puncture to device deployment (minutes), median (IQR)24.0 (17.0–36.0)27.0 (16.5–40.0)26.0 (14.0–35.0)32.0 (21.0–40.0)
 Total procedural duration (minutes), mean±SD54.3±30.863.9±27.449.3±30.361.4±33.2
 Trevo 3×20 mm41.7% (144/345)80.0% (20/25)60.0% (6/10)31.8% (7/22)
 Trevo 4×20 mm43.2% (149/345)16.0% (4/25)40.0% (4/10)31.8% (7/22)
 Trevo 4×30 mm11.0% (38/345)4.0% (1/25)0.0% (0/10)31.8% (7/22)
 Trevo 6×25 mm4.1% (14/345)0.0% (0/25)0.0% (0/10)4.6% (1/22)
 Intermediate catheter47.0% (164/349)40.0% (10/25)70.0% (7/10)59.1% (13/22)
 Intra-arterial lytics52.9% (185/350)48.0% (12/25)66.7% (6/9)50.0% (11/22)
 Number of device passes, median (IQR)1(1–2)2(1–2)1(1–2)1(1–2)
 General anesthesia46.6% (163/350)36.0% (9/25)30 (3)54.6 (12)
Procedural and clinical outcomes % (n)
 mTICI 2b–3 (Overall)92.3% (323/350)92.0% (23/25)100% (10)100% (22)
 mTICI 2b–3 (IV tPA use)93.0% (172/185)83.3% (10/12)100% (6/6)100% (11/11)
 mTICI 2b–3 (no IV tPA use)91.5% (151/165)100% (13/13)100% (3/3)100% (11/11)
 mTICI 3 (overall)53.7% (188)60% (15/25)80.0% (8)63.6% (14)
 mTICI 3 (IV tPA use)52.4% (97/185)41.7% (5/12)66.7% (4/6)63.6% (7/11)
 mTICI 3 (No IV tPA use)55.2% (91/165)76.9% (10/13)100.0% (3/3)63.6% (7/11)
 RNI44.8% (151/337)58.3 (14/24)50 (5)52.4 (11/21)
 sICH (overall)1.7% (6/350)4% (1/25)0.0% (0)0.0% (0)
 sICH (IV tPA use)0.5% (1/185)8.3% (1/12)0.0% (0/6)0.0% (0/11)
 sICH (no IV tPA use)3.0% (5/165)0.0% (0/13)0.0% (0/3)0.0% (0/11)
 Vessel perforation0.4% (1/247)5% (1/20)0.0% (0)0.0% (0)
 Emboli to new territory2% (7/350)8.0% (2/25)0.0% (0)0.0% (0)
 90-day mRS 0–264.9% (226/348)72.0% (18/25)50.0% (5)59.1% (13)
 90- day mRS 0–2 (overall)*68.7% (222/323)73.9% (17/23)62.5% (5)57.1% (12/21)
 90-day mRS 0–2 (IV tPA use)*63.4% (116/183)75.0% (9/12)50.0% (3/6)54.6% (6/11)
 90-day mRS 0–2 (no IV tPA use)*66.7% (110/165)69.2% (9/13)33.3% (1/3)63.6% (7/11)
 90-day mortality14.3% (50)16.0% (4)20.0% (2)9.1% (2)
 90-day mortality (IV tPA use)12.4% (23/185)16.7% (2/12)16.7% (1/6)18.2% (2/11)
 90-day mortality (No IV tPA use)16.4% (27/165)15.4% (2/13)33.3% (1/3)0.0% (0/11)
  • *Subsetted to only pre-stroke mRS 0–2.

  • ACA, anterior cerebral artery; IV-tPA, intravenous tissue plasminogen activator; MCA, middle cerebral artery; mRS, modified Rankin Scale; mTICI, modified Thrombolysis In Cerebral Infarction; NIHSS, National Institute of Health Stroke Scale; PCA, posterior cerebral artery; RNI, rapid neurological improvement; SAE, serious adverse event; sICH, symptomatic intracerebral hemorrhage; TLSW, time last seen well.