Effect of Collaterals on Clinical Presentation, Baseline Imaging, Complications, and Outcome in Acute Stroke.
E M FanouJesse KnightR I AvivS-P HojjatS P SymonsL ZhangMax WintermarkPublished in: AJNR. American journal of neuroradiology (2015)
Collateral circulation is an independent predictor of all outcomes, but the magnitude of significance varies, greater in patients who were recanalization negative versus recanalization positive. Total ischemic volume assessment is complementary to collateral score in many cases.