Real-world data report worse 3-month clinical outcomes in elderly patients with acute ischemic stroke (AIS) treated with mechanical thrombectomy (MT). The aim was to identify factors influencing clinical outcome in elderly patients with anterior circulation AIS treated with MT (±intravenous thrombolysis (IVT)). In a retrospective, monocentric study, analysis of prospectively collected data of 138 patients (≥80 years) was performed. IVT was an independent negative predictor (OR 0.356; 95% CI: 0.134-0.942) and female sex an independent positive predictor (OR 4.179, 95% CI: 1.300-13.438) of 3-month good clinical outcome (modified Rankin scale 0-2). Female sex was also an independent negative predictor of 3-month mortality (OR 0.244, 95% CI: 0.100-0.599). Other independent negative predictors of 3-month good clinical outcome were older age, lower pre-stroke self-sufficiency, more severe neurological deficit and longer procedural intervals. Mortality was also independently predicted by longer procedural interval and by the occurrence of symptomatic intracerebral hemorrhage (p < 0.05 in all cases). Our results demonstrated, that in patients aged ≥80 years with anterior circulation AIS undergoing MT (±IVT), IVT reduced the chance of 3-month good clinical outcome and female sex was associated with a greater likelihood of 3-month good clinical outcome and lower probability of 3-month mortality.

Department of Computing and Control Engineering University of Chemistry and Technology Prague Czech Republic CZ 166 28 Prague 6 Czech Republic

Department of Neurology Comprehensive Stroke Center Charles University Faculty of Medicine and University Hospital Sokolská 581 CZ 500 05 Hradec Králové Czech Republic

Department of Radiology Comprehensive Stroke Center Charles University Faculty of Medicine and University Hospital CZ 500 05 Hradec Králové Czech Republic

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