Unfavorable neurological long-term outcome despite eTICI 3 - What are the predictors?

Interventional stroke therapy has become standard treatment for patients with acute ischemic strokes. Complete reperfusion (eTICI 3) portrays the best possible technical outcome. The purpose of this study was to determine possible predictors for an unfavorable neurological long-term outcome (mRS 3-6) despite achieving the best possible treatment success. We evaluated 122 patients with stroke in the anterior circulation and complete reperfusion after mechanical thrombectomy (MT) between May 2010 and March 2020. We performed a binary logistic regression analysis with patient baseline data, stroke severity, comorbidities, premedication and treatment information as independent variables. 50 of the 122 patients included in our study showed a poor clinical outcome after 90 days (41 %). Multivariable logistic regression analysis showed that older age (p = 0.033), higher admission NIHSS (p=0.009), lower admission ASPECTS (p=0.005), a pre-existing cardiovascular disease (p=0.017), and multiple passes for complete reperfusion (p=0.030) had an independent impact on unfavorable outcome. Older age, higher NIHSS upon admission, lower ASPECTS upon admission, cardiovascular comorbidities and multiple passes for complete reperfusion are predictors for poor neurological long-term outcome despite complete reperfusion.

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Declaration of Competing Interest The authors declare that they have no competing interests regarding this article.