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Comparisons have shown higher SNR and more lesions detected by vessel wall imaging when using 7\u00a0T compared with 3\u00a0T. The aim of this study was to investigate the vessel walls after stent retriever thrombectomy using high-resolution vessel wall imaging at 7\u00a0T.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>Seven patients with acute stroke caused by occlusion of the distal internal carotid artery (T-occlusion), or proximal medial cerebral artery, and treated by stent retriever thrombectomy with complete recanalization were included and examined by 7-T MRI within 2\u00a0days. The MRI protocol included a high-resolution black blood sequence with prospective motion correction (iMOCO), acquired before and after contrast injection. Flow measurements were performed in the treated and untreated M1 segments.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>All subjects completed the MRI examination. Image quality was independently rated as excellent by two neuroradiologists for all cases, and the level of motion artifacts did not impair diagnostic quality, despite severe motion in some cases. Contrast enhancement correlated with the deployment location of the stent retrievers. Flow data showed complete restoration of flow after treatment.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>Vessel wall imaging with prospective motion correction can be performed in patients following thrombectomy with excellent imaging quality at 7\u00a0T. We show that vessel wall contrast enhancement is the normal post-operative state and corresponds to the deployment location of the stent retriever.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00234-019-02242-9","type":"journal-article","created":{"date-parts":[[2019,6,25]],"date-time":"2019-06-25T13:52:28Z","timestamp":1561470748000},"page":"1145-1153","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Subacute vessel wall imaging at 7-T MRI in post-thrombectomy stroke patients"],"prefix":"10.1007","volume":"61","author":[{"given":"My","family":"Truong","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karin","family":"Markenroth Bloch","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mads","family":"Andersen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gunnar","family":"Andsberg","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Johannes","family":"T\u00f6ger","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1896-381X","authenticated-orcid":false,"given":"Johan","family":"Wass\u00e9lius","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2019,6,25]]},"reference":[{"issue":"3","key":"2242_CR1","doi-asserted-by":"publisher","first-page":"439","DOI":"10.1161\/CIRCRESAHA.116.308413","volume":"120","author":"VL Feigin","year":"2017","unstructured":"Feigin VL, Norrving B, Mensah GA (2017) Global burden of stroke. 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