International journal of stroke : official journal of the International Stroke Society · 2025
Clinical and safety outcomes following endovascular treatment for large ischemic core stroke with Alberta Stroke Program Early Computed Tomography Score 3-5 in the 12-to 24-h time window.
СтатьяНаблюдательное исследованиеМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Nguyen Trung Quoc, Nguyen Khang Vinh, Tran Hang Thi Minh, Pham Binh Nguyen, Truong Anh Le Tuan, Le Thien Quang, Duong Hai Quang, Nguyen Trung Thanh, Do Binh Thi Thanh, Nguyen Lanh Chi, Ha Duc Tan, Nguyen Tran Tran Ngoc, Bach Dung Tri, Nguyen Nhi Thanh, Tran Vu Thanh, Le Tra Vu Son, Do Huy Quoc, Nguyen Huong Thi Bich, Huynh Huy Quoc, Dang Huy Quang, Chiem Duc Nguyen, Pham Thai Nguyen Thanh, Doan Hanh Thi My, Hoang Dinh Chau Bao, Ngo Trinh Thi Kim, Dang Hung Minh, Phan Bang, Chen Yimin, Nguyen Thanh N, Nguyen Thang Ba, Nguyen Thang Huy
Аннотация
INTRODUCTION: Although the efficacy and safety of endovascular treatment (EVT) for large-core ischemic stroke have been proven, most trials used perfusion imaging or included early-window patients, limiting generalizability to the late window, particularly in developing countries.
AIM: We aimed to evaluate the safety and functional outcomes of EVT in large-core stroke patients treated between 12 and 24 h (late window) from last known well (LKW).
METHODS: We conducted a prospective, multicenter observational study across four comprehensive stroke centers in Vietnam, enrolling consecutive patients who underwent EVT within 24 h of symptom onset between August 2023 and September 2024. Large core was defined by an Alberta Stroke Program Early CT Score (ASPECTS) of 3 to 5 on non-contrast computerized tomography (NCCT) or diffusion-weighted magnetic resonance imaging (DWI-MRI). Patients who underwent EVT within 12-24 h after LKW were compared to those treated before 12 h (early window). Primary and safety outcomes were independent ambulation (90-day modified Rankin scale (mRS) = 0-3) and symptomatic intracranial hemorrhage (sICH). Secondary outcomes were 90-day mRS 0-2, ordinal mRS, successful reperfusion (modified Thrombolysis in Cerebral Infarction score ⩾2b, early neurological deterioration (END)), and 90-day mortality.
RESULTS: Of 1872 patients receiving EVT, 343 with large ischemic cores (median age = 64.0 years, 33.8% female) were included, with 103 (30.0%) treated in the 12- to 24-h window. Compared to early-window patients, late-window patients had lower rates of intravenous thrombolysis (2.9% vs. 32.9%, p < 0.001), higher brain MRI use (51.5% vs. 16.2%, p < 0.001), and longer pre-treatment imaging-to-groin puncture times (106 vs. 77 min, p < 0.001). After adjusting for confounders, there were no significant differences in 90-day mRS 0-3 (56.3% vs. 55.0%, adjusted odds ratio (aOR) = 0.71, 95% confidence interval (CI) = 0.39-1.28, p = 0.26), ordinal mRS (aOR = 1.21, 95% CI = 0.78-1.90, p = 0.39), and sICH (aOR = 1.12, 95% CI = 0.32-3.50, p = 0.85). Other secondary outcomes were also similar.
CONCLUSION: In patients with anterior circulation large vessel occlusion stroke and low ASPECTS, EVT at 12-24 h versus <12 h from symptom onset showed no significant differences in clinical or safety outcomes. Larger trials are needed to confirm these findings, especially in developing regions.
AIM: We aimed to evaluate the safety and functional outcomes of EVT in large-core stroke patients treated between 12 and 24 h (late window) from last known well (LKW).
METHODS: We conducted a prospective, multicenter observational study across four comprehensive stroke centers in Vietnam, enrolling consecutive patients who underwent EVT within 24 h of symptom onset between August 2023 and September 2024. Large core was defined by an Alberta Stroke Program Early CT Score (ASPECTS) of 3 to 5 on non-contrast computerized tomography (NCCT) or diffusion-weighted magnetic resonance imaging (DWI-MRI). Patients who underwent EVT within 12-24 h after LKW were compared to those treated before 12 h (early window). Primary and safety outcomes were independent ambulation (90-day modified Rankin scale (mRS) = 0-3) and symptomatic intracranial hemorrhage (sICH). Secondary outcomes were 90-day mRS 0-2, ordinal mRS, successful reperfusion (modified Thrombolysis in Cerebral Infarction score ⩾2b, early neurological deterioration (END)), and 90-day mortality.
RESULTS: Of 1872 patients receiving EVT, 343 with large ischemic cores (median age = 64.0 years, 33.8% female) were included, with 103 (30.0%) treated in the 12- to 24-h window. Compared to early-window patients, late-window patients had lower rates of intravenous thrombolysis (2.9% vs. 32.9%, p < 0.001), higher brain MRI use (51.5% vs. 16.2%, p < 0.001), and longer pre-treatment imaging-to-groin puncture times (106 vs. 77 min, p < 0.001). After adjusting for confounders, there were no significant differences in 90-day mRS 0-3 (56.3% vs. 55.0%, adjusted odds ratio (aOR) = 0.71, 95% confidence interval (CI) = 0.39-1.28, p = 0.26), ordinal mRS (aOR = 1.21, 95% CI = 0.78-1.90, p = 0.39), and sICH (aOR = 1.12, 95% CI = 0.32-3.50, p = 0.85). Other secondary outcomes were also similar.
CONCLUSION: In patients with anterior circulation large vessel occlusion stroke and low ASPECTS, EVT at 12-24 h versus <12 h from symptom onset showed no significant differences in clinical or safety outcomes. Larger trials are needed to confirm these findings, especially in developing regions.