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Serum neurofilament light chain levels are associated with stroke severity and functional outcome in patients undergoing endovascular therapy for large vessel occlusion
Journal of the Neurological Sciences ( IF 3.6 ) Pub Date : 2021-09-01 , DOI: 10.1016/j.jns.2021.118063
Jan Rahmig 1 , Katja Akgün 2 , Erik Simon 1 , Matthias Gawlitza 3 , Christian Hartmann 1 , Timo Siepmann 1 , Lars-Peder Pallesen 1 , Jessica Barlinn 1 , Volker Puetz 1 , Tjalf Ziemssen 2 , Kristian Barlinn 1
Affiliation  

Background

We aimed to analyze serum neurofilament light chain (sNfL) levels in patients undergoing endovascular therapy (EVT) for anterior circulation large vessel occlusion (acLVO).

Methods

Prospective study of consecutive patients with acLVO receiving EVT (12/2020–01/2021). sNfL was serially measured prior to and at 30-min, 6-h, 12-h, 24-h, 48-h and 7-days following EVT. ANOVA and Spearman correlation were run to assess sNfL levels (ie, absolute values) and ΔsNfL levels (ie, absolute values subtracted by baseline value) and their association with clinical (ie, NIHSS), imaging (ie, ASPECTS) surrogates of stroke severity as well as functional outcome (ie, mRS) at 90-days.

Results

175 sNfL samples were retrieved from 25 patients. While there were no differences among serial sNfL levels in the first 12-h post-EVT, a constant increase was observed afterwards (maximum day 7, median: 383 [IQR, 209–907] pg/mL, p < 0.001). ΔsNfL showed a constant increase from 30-min measurement onwards peaking after 7 days (median 363.5 [IQR, 114.3–851.1] pg/mL). sNfL levels at 7 days correlated with ASPECTS post-EVT (r = −0.59, p < 0.001), NIHSS at discharge (r = −0.50, p = 0.011) and mRS at 90-days (r = 0.45, p = 0.027).

Conclusions

Serum NFL may complement established clinical and imaging predictors of treatment response and functional outcome in stroke patients undergoing EVT for acLVO.



中文翻译:

大血管闭塞血管内治疗患者的血清神经丝轻链水平与卒中严重程度和功能结果相关

背景

我们旨在分析因前循环大血管闭塞 (acLVO) 而接受血管内治疗 (EVT) 的患者的血清神经丝轻链 (sNfL) 水平。

方法

连续接受 EVT 的 acLVO 患者的前瞻性研究 (12/2020–01/2021)。在 EVT 之前和之后的 30 分钟、6 小时、12 小时、24 小时、48 小时和 7 天,连续测量 sNfL。运行方差分析和 Spearman 相关性以评估 sNfL 水平(即绝对值)和 ΔsNfL 水平(即绝对值减去基线值)及其与临床(即 NIHSS)、影像学(即 ASPECTS)替代中风严重程度的关联以及 90 天的功能结果(即 mRS)。

结果

从 25 名患者中检索了 175 个 sNfL 样本。虽然在 EVT 后的前 12 小时内连续 sNfL 水平没有差异,但随后观察到持续增加(最大第 7 天,中位数:383 [IQR,209-907] pg/mL,p  < 0.001)。ΔsNfL 显示从 30 分钟测量开始持续增加,7 天后达到峰值(中值 363.5 [IQR,114.3–851.1] pg/mL)。7 天的 sNfL 水平与 EVT 后的 ASPECTS(r  = -0.59,p  < 0.001)、出院时的 NIHSS(r  = -0.50,p  = 0.011)和 90 天的 mRS(r  = 0.45,p  = 0.027)相关.

结论

血清 NFL 可以补充对接受 acLVO 进行 EVT 的卒中患者的治疗反应和功能结果的既定临床和影像预测指标。

更新日期:2021-09-03
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