{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T10:54:31Z","timestamp":1791111271549,"version":"4.1.0"},"reference-count":27,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2013,11,12]],"date-time":"2013-11-12T00:00:00Z","timestamp":1384214400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2014,11]]},"abstract":"<jats:sec><jats:title>Purpose<\/jats:title><jats:p>To assess the image quality and diagnostic performance achieved by using supra\u2010aortic 3D\u2010TR\u2010CE\u2010k\u2010t BLAST MRA and a nondedicated body coil as compared with conventional CE\u2010MRA in patients with acute ischemic stroke.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>In this prospective study, 36 consecutive patients with a suspected acute ischemic stroke underwent both k\u2010t BLAST MRA and conventional CE\u2010MRA. Image quality was assessed using visual and quantitative criteria and the techniques were compared. Both techniques were compared for degree of visual and quantitative measurement of carotid stenosis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Delineation of vessel lumen and overall diagnostic confidence were significantly better with CE\u2010MRA, respectively 3.4\u2009\u00b1\u20090.5 and 3.3\u2009\u00b1\u20090.6 (mean score\u2009\u00b1\u2009SD), than with k\u2010t BLAST MRA, respectively 2.8\u2009\u00b1\u20090.4 and 2.9\u2009\u00b1\u20090.5 (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.02). SNR and CNR were significantly higher for k\u2010t BLAST MRA, respectively 33.5\u2009\u00b1\u200919.3 and 27.9\u2009\u00b1\u200919.3, than for CE\u2010MRA, respectively 25.7\u2009\u00b1\u200910 and 20.4\u2009\u00b1\u20098.4 (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.03). Intertechnique agreement was good for carotid stenosis characterization (\u03ba\u2009=\u2009.763). For the 14 relevant stenosis, stenosis measurements were highly correlated between techniques (0.96; <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.0001). The Bland\u2010Altman plot showed a low bias in assessment of the degree of stenosis (mean bias 2.1%\u2009\u00b1\u20097.7).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>k\u2010t BLAST MRA using a nondedicated coil offering and dynamic information was a effective diagnostic tool for detection and characterization of carotid stenosis.<jats:bold>J. Magn. Reson. Imaging 2014;40:1056\u20131063<\/jats:bold>. \u00a9 <jats:bold>2013 Wiley Periodicals, Inc<\/jats:bold>.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jmri.24466","type":"journal-article","created":{"date-parts":[[2013,11,13]],"date-time":"2013-11-13T05:11:11Z","timestamp":1384319471000},"page":"1056-1063","source":"Crossref","is-referenced-by-count":4,"title":["Supra\u2010aortic arteries: Three\u2010dimensional time\u2010resolved k\u2010t BLAST contrast\u2010enhanced MRA using a nondedicated body coil at 3 tesla in acute ischemic stroke"],"prefix":"10.1002","volume":"40","author":[{"given":"Jean\u2010Christophe","family":"Ferr\u00e9","sequence":"first","affiliation":[{"name":"CHU Rennes Department of Neuroradiology University Hospital of Rennes Rennes France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H\u00e9l\u00e8ne","family":"Raoult","sequence":"additional","affiliation":[{"name":"CHU Rennes Department of Neuroradiology University Hospital of Rennes Rennes 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