Susceptibility vessel sign on MRI predicts better clinical outcome in patients with anterior circulation acute stroke treated with stent retriever as firstline strategy

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TitreSusceptibility vessel sign on MRI predicts better clinical outcome in patients with anterior circulation acute stroke treated with stent retriever as firstline strategy
Type de publicationJournal Article
Year of Publication2019
AuteursBourcier R, Ben Hassen W, Soize S, Roux P, Labreuche J, Kyheng M, Tisserand M, Rosso C, Blanc R, Piotin M, Derraz I, Boulouis G, Oppenheim C, Desal H, Bracard S, Lapergue B, Naggara O, Bonafe A, Leclerc X, Agrinier N, Bakchine S, Baronnet F, Beaumont M, Bejot Y, Berge J, Bintner M, Bourcier R, Cho THee, Clarencon F, Cogez J, Cordonnier C, Denier C, Derelle ALaure, Detante O, Faivre A, Ferrier A, Gimenez L, Godard S, Guillon B, Houdart E, Lapergue B, Musacchio M, Naggara O, Neau JPhilippe, Obadia M, Pasco-Papon A, Piotin M, Pierot L, Raoult H, Richard S, Ricolfi F, Ronziere T, Saliou G, Sibon I, Soize S, Sedat J, Stapf C, Suissa L, Tisserand M, Turjman F, Velasco S, Michel P, Raphael B, Hocine R, Mickael M, Robert F, Philippe DJean, Bertrand L, Georges R, Arturo C, Federico DMaria, Francis T, Benjamin G, Emile LPaul, Roberto R, Charbel M, Suzana S, Vincent C, Alain B, Omer E, Gregory G, Cyril D, Serge B, Romain T, Laure DAnne, Rene A, Hubert D, Romain B, Benjamin D-D, Jerome B, Xavier B, Gregoire M, Julien L, Investigators ASTERTHRACE
JournalJOURNAL OF NEUROINTERVENTIONAL SURGERY
Volume11
Pagination328-333
Date PublishedAPR
Type of ArticleArticle
ISSN1759-8478
Résumé

Background S usceptibility vessel sign (SVS) can be a useful MRI biomarker of an occlusion but its relationship with clinical outcomes of acute ischemic stroke (AIS) is yet to be fully elucidated. Objective To investigate SVS in relation to the clinical outcomes after mechanical thrombectomy using a stent retriever (SR) as first-line approach in patients with AIS. Material and methods We included patients with a first-line SR approach for anterior AIS from the the Contact Aspiration vs Stent Retriever for Successful Revascularization (ASTER) and THRombectomie des Arte`res CErebrales (THRACE) trials when both baseline imaging of SVS and 90-day modified Rankin Scale (mRS) scores were available. Patients were assigned to two groups based on the presence of an SVS (independent core laboratory), and the overall distributions of the mRS score at 90 days (shift analysis) and clinical independence (mRS score <= 2) were compared. Results 217 patients were included and SVS was diagnosed in 76.0% of cases (n=165, 95% CI 70.4% to 81.7%). After adjustment for potential confounders, SVS+ was significantly associated with 90-day mRS improvement (adjusted common OR=2.75; 95% CI 1.44 to 5.26) and favorable outcome (adjusted common OR=2.76; 95% CI 1.18 to 6.45). Conclusion Based on results for patients of the ASTER and THRACE trials receiving first-line SR treatment, SVS was associated with lower disability at 3 months. Large prospective studies using MRI-based thrombus evaluation are warranted.
DOI10.1136/neurintsurg-2018-014217