CT Perfusion Imaging of Acute Stroke: The Need for Arrival Time, Delay Insensitive, and Standardized Postprocessing Algorithms?

HomeRadiologyVol. 254, No. 1 PreviousNext REVIEWS AND COMMENTARYEDITORIALCT Perfusion Imaging of Acute Stroke: The Need for Arrival Time, Delay Insensitive, and Standardized Postprocessing Algorithms?Angelos A. Konstas , Michael H. LevAngelos A. Konstas , Michael H. LevAuthor Affiliations1From the Department of Radiology, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114.Address correspondence to A.A.K. (e-mail: [email protected]).Angelos A. Konstas Michael H. LevPublished Online:Dec 14 2009https://doi.org/10.1148/radiol.09091610MoreSectionsFull textPDF ToolsAdd to favoritesCiteTrack CitationsPermissionsReprints ShareShare onFacebookXLinked In AbstractThe study by Kudo et al has demonstrated that software with delay-sensitive deconvolution algorithms overestimate penumbra (ie, mean transit time or cerebral blood flow lesion volume), and consequently final infarct volume, whereas penumbra estimated with delay-insensitive software, and/or with software that used the maximum slope technique, correlates well with final infarct volume.© RSNA, 2009References1 Kudo K, Sasaki M, Yamada K, et al.. Differences in CT perfusion maps generated by different commercial software: quantitative analysis by using identical source data of acute stroke patients. Radiology 2010;254(1):200–209. Link, Google Scholar2 Saver JL, Gornbein J, Grotta J, et al.. 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Crossref, Medline, Google ScholarArticle HistoryReceived August 26, 2009; revision requested September 10; revision received September 22; final version accepted September 23.Published online: Dec 14 2009Published in print: Jan 2010 FiguresReferencesRelatedDetailsCited ByStandardizing the estimation of ischemic regions can harmonize CT perfusion stroke imagingDaanPeerlings, EdwinBennink, Jan W.Dankbaar, Birgitta K.Velthuis, Bart J.Emmer, Jan W.Hoving, Charles B. L. M.Majoie, Henk A.Marquering, Henkvan Voorst, Hugo W. A. 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