Two-Layered Susceptibility Vessel Sign and High Overestimation Ratio on MRI Are Predictive of Cardioembolic Stroke

被引:12
作者
Bourcier, R. [1 ,2 ]
Derraz, I. [3 ,4 ]
Bracard, S. [3 ,4 ]
Oppenheim, C. [5 ]
Naggara, O. [5 ,6 ]
机构
[1] Univ Hosp Guillaume & Rene Laennec, Dept Neuroradiol, Nantes, France
[2] Univ Hosp Nancy, Dept Neuroradiol, Nancy, France
[3] Univ Paris 05, Dept Neuroradiol, Paris, France
[4] Univ Paris 05, INSERM, CIC Innovat Technol 1433, Paris, France
[5] St Anne Hosp, INSERM, U894, Paris, France
[6] Necker Enfants Malades, Pediat Radiol Dept, Paris, France
关键词
ISCHEMIC-STROKE; CLASSIFICATION; SUBTYPE;
D O I
10.3174/ajnr.A5865
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
In a prospective study among patients in the THRombectomie des Arteres 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.
引用
收藏
页码:65 / 67
页数:3
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