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<p>To evaluate whether endovascular thrombectomy (EVT) combined with best medical management (BMM) is more effective than BMM alone in treating mild stroke patients (National Institutes of Health Stroke Scale score &lt; 6) with large vessel occlusion (LVO). A multicentric retrospective cohort of patients with LVO and mild stroke within 24&#xa0;h from symptom onset was included. Patients were divided into the primary EVT (EVT<sub>pri</sub>) group and the primary BMM (BMM<sub>pri</sub>) group according to the treatment strategy. Functional outcomes were compared after propensity score matching. Additionally, adjusted logistic regression analysis was used to assess the association between treatment strategy and functional outcomes. Finally, 419 patients were included, with 137 receiving EVT<sub>pri</sub> and 282 receiving BMM<sub>pri</sub>. After propensity score matching (EVT<sub>pri</sub>, 126 vs. BMM<sub>pri,</sub> 126), baseline characteristics were balanced between the two groups. No significant difference was observed in 3-month functional independence (modified Rankin Scale [mRS] 0–2, 78.6% vs. 76.2%. In the overall cohort, EVT<sub>pri</sub> was not associated with functional independence (adjusted odds ratio [aOR], 0.87; 95% confidence interval [CI], 0.43–1.47). However, patients in the EVT<sub>pri</sub> group were more likely to experience symptomatic intracranial hemorrhage (aOR, 1.27; 95% CI, 1.05–1.89). Subgroup analysis revealed that EVT<sub>pri</sub> was significantly associated with functional independence in vertebrobasilar occlusion subgroup (aOR, 1.78; 95% CI, 1.20–3.90). Our findings did not support the systematic use of EVT for mild stroke with LVO, except in cases of vertebrobasilar occlusion, which may represent a subgroup where EVT<sub>pri</sub> could provide significant benefits.</p>

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Thrombectomy in Stroke Patients with Large Vessel Occlusion and Mild Symptoms: Insights from a Multicenter Observational Study

  • 期刊论文

  • 发表日期：

    2025年3月4日

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  • Kai Qiu,
  • Yu Hang,
  • Penghua Lv,
  • Ying Liu,
  • Mingchao Li,
  • Liandong Zhao,
  • Qijin Zhai,
  • Jinan Chen,
  • Zhenyu Jia,
  • Yuezhou Cao,
  • Linbo Zhao,
  • Haibin Shi,
  • Sheng Liu

摘要

To evaluate whether endovascular thrombectomy (EVT) combined with best medical management (BMM) is more effective than BMM alone in treating mild stroke patients (National Institutes of Health Stroke Scale score < 6) with large vessel occlusion (LVO). A multicentric retrospective cohort of patients with LVO and mild stroke within 24 h from symptom onset was included. Patients were divided into the primary EVT (EVTpri) group and the primary BMM (BMMpri) group according to the treatment strategy. Functional outcomes were compared after propensity score matching. Additionally, adjusted logistic regression analysis was used to assess the association between treatment strategy and functional outcomes. Finally, 419 patients were included, with 137 receiving EVTpri and 282 receiving BMMpri. After propensity score matching (EVTpri, 126 vs. BMMpri, 126), baseline characteristics were balanced between the two groups. No significant difference was observed in 3-month functional independence (modified Rankin Scale [mRS] 0–2, 78.6% vs. 76.2%. In the overall cohort, EVTpri was not associated with functional independence (adjusted odds ratio [aOR], 0.87; 95% confidence interval [CI], 0.43–1.47). However, patients in the EVTpri group were more likely to experience symptomatic intracranial hemorrhage (aOR, 1.27; 95% CI, 1.05–1.89). Subgroup analysis revealed that EVTpri was significantly associated with functional independence in vertebrobasilar occlusion subgroup (aOR, 1.78; 95% CI, 1.20–3.90). Our findings did not support the systematic use of EVT for mild stroke with LVO, except in cases of vertebrobasilar occlusion, which may represent a subgroup where EVTpri could provide significant benefits.