MRI 上的双层易损血管征和高估比可预测心源性卒中。
Two-Layered Susceptibility Vessel Sign and High Overestimation Ratio on MRI Are Predictive of Cardioembolic Stroke.
机构信息
From the Department of Neuroradiology (R.B.), University Hospital Guillaume et René Laennec, Nantes, France
Department of Neuroradiology (R.B.), University Hospital of Nancy, Nancy, France.
出版信息
AJNR Am J Neuroradiol. 2019 Jan;40(1):65-67. doi: 10.3174/ajnr.A5865. Epub 2018 Nov 15.
Abstract
In a prospective study among patients in the THRombectomie des Artères Cerebrales trial, we analyzed the diagnostic accuracy of 2 imaging biomarkers, the 2-layered susceptibility vessel sign and a high overestimation ratio, obtained on pretreatment brain T2* sequences, to identify cardioembolic stroke etiology (107/260 patients). In combination, these 2 biomarkers, on 1.5T or 3T systems (159 and 101 patients, respectively), demonstrated high specificity (0.77 at 1.5T and 1 at 3T) and their simultaneous presence is highly associated with cardioembolism.
摘要
在 THRombectomie des Artères Cerebrales 试验中的患者的前瞻性研究中，我们分析了 2 种影像学生物标志物（双层磁敏感血管征和高估比）的诊断准确性，这些标志物是在预处理脑 T2*序列上获得的，用于确定心源性卒中的病因（260 例患者中的 107 例）。这两种生物标志物在 1.5T 或 3T 系统上（分别为 159 例和 101 例）联合使用时，特异性很高（1.5T 时为 0.77，3T 时为 1），并且它们同时存在与心源性栓塞高度相关。
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