CLIN CHEM LAB MED:血浆神经丝轻链与自发性脑出血后的死亡率有关?

2020-03-17 MedSci MedSci原创

神经丝轻链(neurofiber light chain, NfL)是一种可预测多种类型中枢神经系统损伤的神经特异性生物标志物。

神经丝轻链(neurofiber light chain, NfL)是一种可预测多种类型中枢神经系统损伤的神经特异性生物标志物。本研究旨在探讨自发性脑出血(ICH)后血浆NfL (pNfL)是否在早期升高,以及这种升高是否反映了疾病的严重程度和第30天的预后。

通过单分子阵列分析法对103名参比受试者(RS)以及入院时和随访24小时后获得的37例ICH患者的样本中的pNfL进行了定量。 主要结果是30天死亡率。 入院时的临床状况通过标准化评分系统进行评估。

研究结果显示,RS中的pNfL中位数为9.6(四分位范围[IQR] 6.2) pg/mL。入院时,ICH患者24小时pNfL值为19.8 (IQR 30.7) pg/mL,升高至35.9 (IQR 44.5) pg/mL (all, p < 0.001)。入院时,脑出血非存活者的pNfL高于存活者(119.2 [IQR 152.6] pg/mL vs. 15.7 [IQR 19.6] pg/mL, p < 0.01), 24小时随访也观察到这一差异(195.1 [IQR 73.9] pg/mL vs. 31.3 [IQR 27.8] pg/mL, p < 0.01)。入院时受试者工作特征曲线(ROC AUC)下区分第30天死亡率的面积显著(AUC = 0.83, 95%置信区间[CI]: 0.56-1.0), 24小时随访时增加(AUC = 0.93, 95% CI: 0.84-1.0)。无论入院时(OR = 4.52, 95% CI: 1.32-15.48)还是24小时随访后(OR = 9.52, 95% CI: 1.26-71.74), pNfL每四分位增加死亡的优势比(OR)均显著。

研究结果表明,pNfL与自发性脑出血后30天死亡率相关。

原始出处:

Claus Vinter Bodker Hviid,Tua Gyldenholm,Plasma neurofilament light chain is associated with mortality after spontaneous intracerebral hemorrhage

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    2020-03-19 sodoo
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