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Supplementary Material for: The safety and efficacy of emergency stenting during bridging therapy: A Single-Center Retrospective Study

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posted on 2023-09-15, 05:58 authored by Chen Z., Ying Y., Lu X., Sun S., Huang Q., Shao J., Li P., Chen L.
Introduction: To investigated the safety and efficacy of emergency stenting for patients with ischemic stroke treated with bridging therapy. Methods: Patients with onset of stroke who underwent bridging therapy were included in the two groups with emergency stenting (ESG) and without stenting (NSG). To avoid the bias due to confounding variables, subjects were further assigned in two groups using 1:1 propensity score matching (PSM). The safety outcomes include the incidence of intracranial hemorrhage (ICH), parenchymal hemorrhage type 2 (PH2), symptomatic intracranial hemorrhage (sICH), fatal hemorrhage, and mortality. The efficacy outcomes include successful recanalization, three-month favorable outcome (modified Rankin Scale [mRS]: 0–2). Results: 175 patients treated with bridging therapy were included in this study, with 52 patients in the ES group and 123 patients in the groups without ES, and with 30 patients in each group after PSM. No significant differences in the incidences of ICH, PH2, sICH, fatal hemorrhage, and mortality were found between the two groups with ES and without ES before and after PSM (P>0.05 for all groups). The analysis without PSM showed that the group with ES had a higher rate of successful recanalization (98.1% vs. 81.6%,P=0.041) than the group without ES, but no significant difference was seen (96.6% vs. 93.3%,P=0.554) between the two groups after PSM. There was no difference in favorable outcome between the two groups before and after matching as well (P>0.05). Conclusions: It is safe and effective for patients with onset of ischemic stroke to receive emergency stenting during bridging therapy, without increasing the risk of hemorrhagic transformation and mortality.

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