Fig 12.tif (67.35 kB)
Volume reduction as from proposed method (PM) and measured pressure gradient (FFR measurement).
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posted on 2018-01-03, 18:38 authored by Francesca Galassi, Mohammad Alkhalil, Regent Lee, Philip Martindale, Rajesh K. Kharbanda, Keith M. Channon, Vicente Grau, Robin P. ChoudhuryOn the left, the regression line between the two methods. Dashed circle encloses positive FFR clinical outcomes; solid circle encloses negative FFR clinical outcomes. Dashed lines indicate that the cut-off of 0.8 in FFR corresponds to a cut-off of 0.77 in volume drop. On the right, the Bland-Altman plot. Reproducibility coefficient and % of mean values RPC (%) = 0.16% (20%); coefficient of variation CV = 10%. The solid line represents the mean of the differences.
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3 D reconstructionpracticeartery1.013 mm 22 D X-rayFFR3 D centrelineOptical Coherence TomographyNURBSmethodcontrol points1.837 mm 2assessmentluminal surface reconstruction2 D angiographic projections3 D modelsstenosis severity3 D boundary points0.213 mm 2OCTlesion3 D surface3 D luminal contours2 D vesselsanalysisNon-Uniform Rational B-Splinestenoses Objective Assessment
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