To Use Perfusion Imaging or Not in Patient Selection for Late Window Endovascular Thrombectomy?

The DAWN (Clinical Mismatch in the Triage of Wake up and Late Presenting Strokes Undergoing Neurointervention with Trevo Thrombectomy Procedure)1 and DEFUSE-3 (Endovascular Therapy Following Imaging Evaluation for Ischemic Stroke 3)2 established the efficacy of endovascular thrombectomy (EVT) in selected patients presenting with a large vessel occlusion (LVO) in the anterior circulation and suspected symptom onset within the late window (last …