Endovascular Treatment for Mild Stroke With Acute Anterior Circulation Large Vessel Occlusion
Trial Parameters
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Brief Summary
Exploring the Efficacy and Safety of Emergent Endovascular Treatment in Patients with Mild Ischemic Stroke Caused by Acute Anterior Circulation Large Vessel Occlusion based on Perfusion Imaging Screening
Eligibility Criteria
Inclusion Criteria 1. Age 18-80 years old; 2. Symptoms onset or last known well to randomization is within 24 hours. 3. Clinical diagnosis of acute ischemic stroke due to anterior circulation intracranial large vessel occlusion (LVO) (including intracranial internal carotid artery \[ICA\], middle cerebral artery \[MCA\] M1 segment, MCA M2 segment, with or without ipsilateral extracranial ICA occlusion) confirmed on Computerized tomography angiography (CTA) or Magnetic resonance imaging angiography (MRA) ; 4. Baseline NIHSS score \<6 before randomization (including cases with NIHSS ≥6 at onset but improves before randomization); 5. ASPECTS score ≥6 based on Non-contrast CT (NCCT) before randomization, and computerized tomography perfusion (CTP) or magnetic resonance imaging perfusion (MRP) imaging presented infarct core volume (relative cerebral blood flow (rCBF) \<30%/DWI-ADC\<620) ≤50ml, and mismatch volume (Tmax\>6 seconds volume - rCBF \<30% /DWI-ADC\<620) ≥50mL; 6. The patient or t