{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T20:30:16Z","timestamp":1778704216071,"version":"3.51.4"},"reference-count":30,"publisher":"Springer Science and Business Media LLC","issue":"2","license":[{"start":{"date-parts":[[2021,8,31]],"date-time":"2021-08-31T00:00:00Z","timestamp":1630368000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2021,8,31]],"date-time":"2021-08-31T00:00:00Z","timestamp":1630368000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/100009068","name":"Universit\u00e4t Bern","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100009068","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Clin Neuroradiol"],"published-print":{"date-parts":[[2022,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Background and Purpose<\/jats:title>\n                <jats:p>Randomized controlled trials have challenged the assumption that reperfusion success after mechanical thrombectomy varies depending on the retrieval techniques applied; however, recent analyses have suggested that acute ischemic stroke (AIS) patients showing susceptibility vessel sign (SVS) may respond differently. We aimed to compare different stent retriever (SR)-based thrombectomy techniques with respect to interventional outcome parameters depending on SVS status.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>We retrospectively reviewed 497 patients treated with SR-based thrombectomy for anterior circulation AIS. Imaging was conducted using a\u00a01.5\u202fT or 3\u202fT magnetic resonance imaging (MRI) scanner. Logistic regression analyses were performed to test for the interaction of SVS status and first-line retrieval technique. Results are shown as percentages, total values or adjusted odds ratio (aOR) with 95% confidence intervals (CI).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>An SVS was present in 87.9% (<jats:italic>n<\/jats:italic>\u202f=\u2009437) of patients. First-line SR thrombectomy was used to treat 293 patients, whereas 204 patients were treated with a\u00a0combined approach (COA) of SR and distal aspiration. An additional balloon-guide catheter (BGC) was used in 273 SR-treated (93.2%) and 89\u00a0COA-treated (43.6%) patients. On logistic regression analysis, the interaction variable of SVS status and first-line retrieval technique was not associated with first-pass reperfusion (aOR 1.736, 95% CI 0.491\u20136.136; <jats:italic>p<\/jats:italic>\u202f=\u20090.392), overall reperfusion (aOR 3.173, 95% CI 0.752\u201313.387; <jats:italic>p<\/jats:italic>\u202f=\u20090.116), periinterventional complications, embolization into new territories, or symptomatic intracerebral hemorrhage. The use of BGC did not affect the results.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>While previous analyses indicated that first-line SR thrombectomy may promise higher rates of reperfusion than contact aspiration in AIS patients with SVS, our data show no superiority of any particular SR-based retrieval technique regardless of SVS status.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00062-021-01079-1","type":"journal-article","created":{"date-parts":[[2021,8,31]],"date-time":"2021-08-31T10:02:49Z","timestamp":1630404169000},"page":"407-418","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Stent-Based Retrieval Techniques in Acute Ischemic Stroke Patients with and Without Susceptibility Vessel Sign"],"prefix":"10.1007","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5285-5922","authenticated-orcid":false,"given":"Nebiyat F.","family":"Belachew","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eike I.","family":"Piechowiak","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tomas","family":"Dobrocky","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas R.","family":"Meinel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arsany","family":"Hakim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Enrique A.","family":"Barvulsky","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jan","family":"Vynckier","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marcel","family":"Arnold","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David J.","family":"Seiffge","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Roland","family":"Wiest","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Urs","family":"Fischer","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jan","family":"Gralla","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Johannes","family":"Kaesmacher","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pasquale","family":"Mordasini","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2021,8,31]]},"reference":[{"key":"1079_CR1","doi-asserted-by":"crossref","unstructured":"Powers WJ, Rabinstein AA, Ackerson T, Adeoye OM, Bambakidis NC, Becker K, Biller J, Brown M, Demaerschalk BM, Hoh B, Jauch EC, Kidwell CS, Leslie-Mazwi TM, Ovbiagele B, Scott PA, Sheth KN, Southerland AM, Summers DV, Tirschwell DL. Guidelines for the Early Management of Patients With Acute Ischemic Stroke: 2019 Update to the 2018 Guidelines for the Early Management of Acute Ischemic Stroke: A Guideline for Healthcare Professionals From the American Heart Association\/American Stroke Association. Stroke. 2019;50:e344-e418. Erratum in: Stroke. 2019;50:e440\u20131.","DOI":"10.1161\/STR.0000000000000211"},{"key":"1079_CR2","doi-asserted-by":"publisher","first-page":"509","DOI":"10.1136\/neurintsurg-2020-016434","volume":"13","author":"M Mokin","year":"2021","unstructured":"Mokin M, Waqas M, Fifi J, De Leacy R, Fiorella D, Levy EI, Snyder K, Hanel R, Woodward K, Chaudry I, Rai AT, Frei D, Delgado Almandoz JE, Kelly M, Arthur AS, Baxter BW, English J, Linfante I, Fargen KM, Turk A, Siddiqui AH, Mocco J. Clot perviousness is associated with first pass success of aspiration thrombectomy in the COMPASS trial. 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Stroke. 2011;42:693\u20139.","journal-title":"Stroke"}],"container-title":["Clinical Neuroradiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00062-021-01079-1.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00062-021-01079-1\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00062-021-01079-1.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,6,10]],"date-time":"2022-06-10T13:21:23Z","timestamp":1654867283000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00062-021-01079-1"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,8,31]]},"references-count":30,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2022,6]]}},"alternative-id":["1079"],"URL":"https:\/\/doi.org\/10.1007\/s00062-021-01079-1","relation":{},"ISSN":["1869-1439","1869-1447"],"issn-type":[{"value":"1869-1439","type":"print"},{"value":"1869-1447","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,8,31]]},"assertion":[{"value":"27 May 2021","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"27 July 2021","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"31 August 2021","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"N.F.\u00a0Belachew, E.I.\u00a0Piechowiak, T.\u00a0Dobrocky, T.R.\u00a0Meinel, A.\u00a0Hakim, E.A.\u00a0Barvulsky, J.\u00a0Vynckier, M.\u00a0Arnold, D.J.\u00a0Seiffge, R.\u00a0Wiest and P.\u00a0Mordasini declare that they have no competing interests. U.\u00a0Fischer reports grants from Medtronic during the conduct of the study, and grants from Stryker and CSL Behring outside the submitted work. J.\u00a0Gralla is a\u00a0global principal investigator of STAR (Solitaire FR Thrombectomy for Acute Revascularisation), Clinical Event Committee member of the PROMISE study (Prospective, Multicenter, Observational, Single-Arm European Registry on the ACE Reperfusion Catheters and the Penumbra System in the Treatment of Acute Ischemic Stroke; Penumbra), and a\u00a0principal investigator and consultant for the SWIFT DIRECT study (Solitaire With the Intention for Thrombectomy Plus Intravenous tPA Versus DIRECT Solitaire Stent-Retriever Thrombectomy in Acute Anterior Circulation Stroke; Medtronic) and receives Swiss National Science Foundation grants for magnetic resonance imaging in stroke. J.\u00a0Kaesmacher reports grants from Swiss Academy of Medical Sciences\/Bangerter Foundation, Swiss Stroke Society, and Clinical Trial Unit Bern during the conduct of the study.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"Ethics approval was obtained from the local ethics committee prior to conducting this study. Consent to participate (include appropriate statements): patients included on 1 January 2015, or later gave written or oral consent regarding use of their data for research. The need for consent was waived according to national law and regulations of the local ethics committee for patients included before this date. Consent for publication: this manuscript presents no individual data. All figures showing patient imaging have been deidentified. Thus, <i>Clinical Neuroradiology<\/i> is granted the right to publish any and all data provided.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical standards"}}]}}