Table 3. Adverse Events.
| Events | No./Total (%) | |
|---|---|---|
| First-Line Contact Aspiration (n = 192) |
First-Line Stent Retriever (n = 189) |
|
| All-cause mortality at 3 mo | 35/181 (19.3) | 35/182 (19.2) |
| Intracranial hemorrhage at 24 ha,b | 87/188 (46.3) | 85/188 (46.2) |
| Hemorrhagic infarction | 58/188 (30.9) | 49/188 (26.6) |
| Type 1c | 23/188 (12.2) | 24/188 (13.0) |
| Type 2d | 35/188 (18.6) | 25/188 (13.6) |
| Parenchymal hematoma | 24/188 (12.8) | 33/188 (17.4) |
| Type 1e | 17/188 (9.0) | 19/188 (10.3) |
| Type 2f | 7/188 (3.7) | 14/188 (7.6) |
| Intraventricular hemorrhage | 6/188 (3.2) | 2/184 (1.1) |
| Remote intracranial hemorrhage | 1/188 (0.5) | 1/184 (0.5) |
| Symptomatic intracranial hemorrhage at 24 h | 10/188 (5.3) | 12/188 (6.5) |
| Procedure-related adverse eventsb | 31/192 (16.2) | 30/189 (15.9) |
| Embolization in a new vascular territory | 7/192 (3.7) | 5/189 (2.7) |
| Arterial perforation | 5/192 (2.6) | 3/189 (1.6) |
| Arterial dissection | 5/192 (2.6) | 2/189 (1.1) |
| Vasospasm | 5/192 (2.6) | 12/189 (6.4) |
| Subarachnoid hemorrhage | 13/188 (6.9) | 13/188 (7.1) |
| New ischemic stroke in a different vascular territory | 10/188 (5.3) | 16/188 (8.5) |
a
Assessed by core laboratory.
b
Patients with multiple events of one type were counted once.
c
Isolated petechiae in infarcted tissue without mass effect.
d
Confluent petechiae in infarcted tissue without mass effect.
e
Hemorrhage in <30% of the infarcted area with mild space-occupying effect.
f
Hemorrhage in >30% of the infarcted area with significant space-occupying effect.