• World Neurosurg · May 2023

    The Charlotte Large Artery Occlusion Endovascular Therapy Outcome Score Predicts Poor Outcomes 1-Year After Endovascular Thrombectomy.

    • Rahul R Karamchandani, Sagar Satyanarayana, Hongmei Yang, Jeremy B Rhoten, Dale Strong, Nikhil M Patel, Jonathan D Clemente, Gary Defilipp, Joe D Bernard, William R Stetler, Jonathan M Parish, and Andrew W Asimos.
    • Department of Neurology, Neurosciences Institute, Atrium Health, Charlotte, North Carolina, USA. Electronic address: Rahul.Karamchandani@atriumhealth.org.
    • World Neurosurg. 2023 May 1; 173: e415e421e415-e421.

    ObjectiveWe evaluated the ability of several outcome prognostic scales to predict poor 1-year outcomes and mortality after endovascular thrombectomy.MethodsIn this retrospective analysis from the stroke registry of a large integrated health system, consecutive patients presenting from August 2020 to September 2021 with an anterior circulation large-vessel occlusion stroke treated with endovascular thrombectomy were included. Multivariable logistic regression was performed to determine the ability of each scale to predict the primary outcome (1-year modified Rankin Scale [mRS] score of 4-6) and the secondary outcome (1-year mortality). Area under the curve analyses were performed for each scale.ResultsIn 237 included patients (mean age 68 [±15] years; median National Institutes of Health Stroke Scale score 16 [11-21]), poor 1-year outcomes were present in 116 patients (49%) and 1-year mortality was 34%. The CLEOS (Charlotte Large Artery Occlusion Endovascular Therapy Outcome Score), which incorporates age, baseline National Institutes of Health Stroke Scale score, initial glucose level, and computed tomography perfusion cerebral blood volume index, had a significant association with poor 1-year outcomes (per 25-point increase; odds ratio, 1.0134; P = 0.02). CLEOS and PRE (Pittsburgh Response to Endovascular Therapy) were both significantly associated with 1-year mortality. Area under the curve values were comparable for CLEOS, PRE, Houston Intra-Arterial Therapy 2, and Totaled Health Risks in Vascular Events to predict 1-year mRS score 4-6 and mortality. Only 1 of 18 patients with CLEOS ≥690 had a 1-year mRS score of 0-3.ConclusionsCLEOS can predict poor 1-year outcomes and mortality for patients with anterior circulation large-vessel occlusion using prethrombectomy variables.Copyright © 2023 Elsevier Inc. All rights reserved.

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