Comparison of Quantitative Coronary Angiography With Intracoronary Ultrasound. Can Quantitative Coronary Angiography Accurately Estimate the Severity of a Luminal Stenosis

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dc.contributor.authorBourantas, C. V.en
dc.contributor.authorTweddel, A. C.en
dc.contributor.authorPapafaklis, M. I.en
dc.contributor.authorKarvelis, P. S.en
dc.contributor.authorFotiadis, D. I.en
dc.contributor.authorKatsouras, C. S.en
dc.contributor.authorMichalis, L. K.en
dc.date.accessioned2015-11-24T17:32:39Z
dc.date.available2015-11-24T17:32:39Z
dc.identifier.issn0003-3197-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/13762
dc.rightsDefault Licence-
dc.subjectbiplane angiographyen
dc.subjectintracoronary ultrasounden
dc.subjectquantitative coronary angiographyen
dc.subjectintravascular ultrasounden
dc.subjectin-vivoen
dc.subject3-dimensional reconstructionen
dc.subjectvalidationen
dc.subjectmorphologyen
dc.subjectarteriesen
dc.subjectsegmentsen
dc.subjectdiseaseen
dc.subjectlesionsen
dc.subjectimagesen
dc.titleComparison of Quantitative Coronary Angiography With Intracoronary Ultrasound. Can Quantitative Coronary Angiography Accurately Estimate the Severity of a Luminal Stenosisen
heal.abstractIn this study we investigated the accuracy of monoplane and biplane quantitative coronary angiography in estimating the luminal dimensions, Using intracoronary Ultrasound as gold standard. Biplane angiography and intracoronary ultrasound were performed in 24 arterial segments. The end-diastolic intracoronary ultrasound Frames Were manually selected and segmented. In 2 end-diastolic X ray projections, quantitative coronary angiography was performed and a novel methodology was applied to register the segmented frames onto the processed angiographic images. The luminal areas determined by quantitative coronary angiography in 1 (monoplane) and 2 projections (mean) were compared with those determined 1)), intracoronary ultrasound. The obtained correlation coefficients for the monoplane and mean estimations were 0.69 +/- 0.12 and 0.77 +/- 0.08, respectively. It would appear that by increasing the angle between the biplane projections, the correlation between intracoronary ultrasound and mean estimations improves. Our results provide evidence that orthogonal biplane angiography is more reliable and should be preferred to assess luminal dimensions.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryDoi 10.1177/0003319708317338-
heal.identifier.secondary<Go to ISI>://000265432300005-
heal.identifier.secondaryhttp://ang.sagepub.com/content/60/2/169.full.pdf-
heal.journalNameAngiologyen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate2009-
heal.publisherSage Pub.en
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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