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- Kety Hsieh, Rajeev K Verma, Gerhard Schroth, Pascal P Gratz, Frauke Kellner-Weldon, Jan Gralla, Christoph Zubler, Pasquale Mordasini, Simon Jung, Heinrich P Mattle, and Marwan El-Koussy.
- From the Department of Diagnostic and Interventional Neuroradiology (K.H., R.K.V., G.S., P.P.G., F.K.-W., J.G., C.Z., P.M., M.E.-K.), and Department of Neurology (S.J., H.P.M.), University Hospital Bern, Switzerland. kety.hsieh@insel.ch.
- Stroke. 2014 Nov 1; 45 (11): 3430-2.
Background And PurposeThe aim of this prospective study was to assess vascular integrity after stent-retriever thrombectomy.MethodsDissection, contrast medium extravasation, and vasospasm were evaluated in 23 patients after thrombectomy with biplane or 3D-digital subtraction angiography and 3-Tesla vessel wall MRI.ResultsVasospasm was detected angiographically in 10 patients, necessitating intra-arterial nimodipine in 2 of them. Contrast extravasation, intramural hemorrhage, or iatrogenic dissection were not detected on multimodal MRI in any patient even after Y-double stent-retriever technique.ConclusionsOur findings suggest that clinically relevant vessel wall injuries occur rarely after stent-retriever thrombectomy.© 2014 American Heart Association, Inc.
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