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Two-Layered Susceptibility Vessel Sign and High Overestimation Ratio on MRI Are Predictive of Cardioembolic Stroke.
Bourcier, R; Derraz, I; Bracard, S; Oppenheim, C; Naggara, O.
Affiliation
  • Bourcier R; From the Department of Neuroradiology (R.B.), University Hospital Guillaume et René Laennec, Nantes, France romain.bourcier2@gmail.com.
  • Derraz I; Department of Neuroradiology (R.B.), University Hospital of Nancy, Nancy, France.
  • Bracard S; Department of Neuroradiology and Institut National de la Santé et de la Recherche Médicale CIC 1433 Innovation Technologique (I.D., S.B.), Université Paris-Descartes, Paris, France.
  • Oppenheim C; Department of Neuroradiology and Institut National de la Santé et de la Recherche Médicale CIC 1433 Innovation Technologique (I.D., S.B.), Université Paris-Descartes, Paris, France.
  • Naggara O; Institut National de la Santé et de la Recherche Médicale U894 (C.O., O.N.), Sainte-Anne Hospital, Paris, France.
AJNR Am J Neuroradiol ; 40(1): 65-67, 2019 01.
Article in En | MEDLINE | ID: mdl-30442692
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.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Magnetic Resonance Imaging / Stroke / Neuroimaging Type of study: Clinical_trials / Diagnostic_studies / Observational_studies / Prognostic_studies / Risk_factors_studies Limits: Aged / Female / Humans / Male / Middle aged Language: En Journal: AJNR Am J Neuroradiol Year: 2019 Document type: Article Affiliation country: Country of publication:
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Magnetic Resonance Imaging / Stroke / Neuroimaging Type of study: Clinical_trials / Diagnostic_studies / Observational_studies / Prognostic_studies / Risk_factors_studies Limits: Aged / Female / Humans / Male / Middle aged Language: En Journal: AJNR Am J Neuroradiol Year: 2019 Document type: Article Affiliation country: Country of publication: