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EXPRESS: ASPECTS-based selection for late endovascular treatment: a retrospective two-site cohort study
International Journal of Stroke ( IF 6.7 ) Pub Date : 2021-03-31 , DOI: 10.1177/17474930211009806
Stefania Nannoni 1 , Johannes Kaesmacher 2, 3 , Federico Ricciardi 1 , Davide Strambo 1 , Vincent Dunet 4 , Steven Hajdu 4 , Guillaume Saliou 4 , Pasquale Mordasini 2 , Arsany Hakim 2 , Marcel Arnold 5 , Jan Gralla 2 , Urs Fischer 5 , Patrik Michel 1
Affiliation  

Introduction

The DAWN trial demonstrated the effectiveness of late endovascular treatment (EVT) in acute ischemic stroke (AIS) patients selected on the basis of a clinical-core mismatch. We explored in a real-world sample of EVT patients if a clinical-ASPECTS (Alberta Stroke Program Early CT Score) mismatch was associated with an outcome benefit after late EVT.

Methods

We retrospectively analysed all consecutive AIS patients admitted 6-24 hours after last proof of good health in two stroke centres, with initial National Institutes of Health Stroke Scale (NIHSS) ≥10 and an internal carotid artery or M1 occlusion. We defined clinical-ASPECTS mismatch as NIHSS≥10 and ASPECTS≥7, or NIHSS≥20 and ASPECTS≥5. We assessed the interaction between clinical-ASPECTS mismatch positive and negative patients and late EVT, using ordinal shift analysis of the 3-month modified Rankin Scale and adjusting for multiple confounders.

Results

The included 337 patients had a median age of 73 years (IQR=61-82), admission NIHSS of 18 (15-22) and baseline ASPECTS of 7 (5-9). Out of 196 (58.2%) patients showing clinical-ASPECTS mismatch, 146 (74.5%) underwent late EVT. Among 141 (41.8%) mismatch negative patients, late EVT was performed in 72 (51.1%) patients. In the adjusted analysis, late EVT was significantly associated with a better outcome in the presence of clinical-ASPECTS mismatch (adjusted Odd Ratio, aOR=2.83; 95% confidence interval, CI: 1.48-5.58) but not in its absence (aOR=1.32; 95%CI: 0.61-2.84). The p-value for the interaction term between clinical-ASPECTS mismatch and late EVT was 0.073.

Conclusions

In our retrospective two-site analysis, late EVT seemed effective in the presence of a clinical-ASPECTS mismatch, but not in its absence. If confirmed in randomized trials, this finding could support the use of an ASPECTS-based selection for late EVT decisions, obviating the need for advanced imaging.



中文翻译:

EXPRESS:基于 ASPECTS 的晚期血管内治疗选择:一项回顾性双中心队列研究

介绍

DAWN 试验证明了晚期血管内治疗 (EVT) 在根据临床核心不匹配选择的急性缺血性卒中 (AIS) 患者中的有效性。我们在 EVT 患者的真实世界样本中探索了临床 ASPECTS(艾伯塔省卒中计划早期 CT 评分)不匹配是否与晚期 EVT 后的结果益处相关。

方法

我们回顾性分析了所有连续 AIS 患者在两个中风中心最后一次证明身体健康后 6-24 小时入院,初始美国国立卫生研究院中风量表 (NIHSS) ≥ 10 和颈内动脉或 M1 闭塞。我们将临床-ASPECTS 不匹配定义为 NIHSS ≥ 10 和 ASPECTS ≥ 7,或 NIHSS ≥ 20 和 ASPECTS ≥ 5。我们评估了临床 ASPECTS 错配阳性和阴性患者与晚期 EVT 之间的相互作用,使用 3 个月改良 Rankin 量表的序数移位分析并调整多个混杂因素。

结果

纳入的 337 名患者的中位年龄为 73 岁(IQR=61-82),入院 NIHSS 为 18(15-22),基线 ASPECTS 为 7(5-9)。在显示临床 ASPECTS 不匹配的 196 名 (58.2%) 患者中,146 名 (74.5%) 接受了晚期 EVT。在 141 名 (41.8%) 错配阴性患者中,72 名 (51.1%) 患者进行了晚期 EVT。在调整后的分析中,在存在临床-ASPECTS 不匹配的情况下,晚期 EVT 与更好的结果显着相关(调整后的奇数比,aOR=2.83;95% 置信区间,CI:1.48-5.58)但不存在时(aOR= 1.32;95% CI:0.61-2.84)。临床 ASPECTS 不匹配与晚期 EVT 之间交互作用项的 p 值为 0.073。

结论

在我们的回顾性两点分析中,晚期 EVT 在存在临床 ASPECTS 不匹配时似乎有效,但在不匹配时无效。如果在随机试验中得到证实,这一发现可以支持使用基于 ASPECTS 的选择来进行晚期 EVT 决策,从而消除对高级成像的需求。

更新日期:2021-03-31
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