• Rahul R Karamchandani, Sagar Satyanarayana, Hongmei Yang, Gary Defilipp, Dale Strong, Jeremy B Rhoten, Nikhil M Patel, and Andrew W Asimos.
• Department of Neurology, Neurosciences Institute, Atrium Health, Charlotte, North Carolina, USA.
• J Neuroimaging. 2022 Sep 1; 32 (5): 860865860-865.

Background And PurposeThe Charlotte Large artery occlusion Endovascular therapy Outcome Score (CLEOS) and Totaled Health Risks in Vascular Events (THRIVE) predict functional outcomes after anterior circulation endovascular thrombectomy (EVT). We evaluated the performance of CLEOS and THRIVE in patients presenting with an acute basilar artery occlusion (BAO) treated with EVT.MethodsWe conducted a retrospective analysis of a health system's stroke registry. Patients presenting with an acute BAO treated with EVT and evaluated with pre-thrombectomy CT perfusion (CTP) from January 2017 to December 2021 were included. CLEOS = (5 × age) + (10 × National Institutes of Health Stroke Scale [NIHSS]) + Glucose - (150 × CTP cerebral blood volume index) and THRIVE (0-9 points) = age 60-79 years, 1 point; age ≥ 80 years, 2 points; NIHSS 11-20, 2 points; NIHSS ≥ 21, 4 points; hypertension, diabetes mellitus, atrial fibrillation, 1 point each. Multivariable logistic regression was performed for the ability of CLEOS and THRIVE to predict the primary outcome, modified Rankin Scale score 3-6.ResultsFifty-seven patients had mean age 66.6 (± 14.9) years and median NIHSS 15.5 (5-24). In the multivariable regression analysis, increased CLEOS was associated with significantly higher odds of a poor functional outcome (odds ratio [OR] = 1.0011, 95% confidence interval [CI]: 1.0003-1.0019, p = .008), whereas THRIVE was not (OR = 1.0326, 95% CI: 0.9478-1.1250, p = .466). CLEOS > 503 best predicted poor outcomes.ConclusionsA higher CLEOS score was associated with elevated odds of a poor 90-day functional outcome in our cohort of acute BAO patients treated with EVT.© 2022 American Society of Neuroimaging.

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