Mechanical Thrombectomy and Final Infarct Volume in Medium or Distal Vessel Occlusion Stroke

What is the outcome of endovascular treatment (EVT) in addition to best medical treatment (BMT) compared with BMT alone on the volume of brain tissue at risk preserved in patients with a medium or distal vessel occlusion stroke?In this post hoc analysis of a randomized clinical trial including 447 patients, the likelihood of achieving a good imaging outcome was higher in the EVT plus BMT group compared with the BMT alone group. The good imaging outcome was associated with less dependency and disability at 90 days in both treatment groups.These findings suggest that imaging-based end points may improve the assessment of the treatment outcomes of EVT in patients with medium- or distal-vessel occlusion stroke.

Corresponding Author: Aikaterini Anastasiou, MD, Department of Diagnostic and Interventional Neuroradiology, University Hospital Basel, Petersgraben 4, 4031 Basel, Switzerland (aikaterini.anastasiou@usb.ch).

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