Three-dimensional analysis of regional left ventricular endocardial curvature from cardiac magnetic resonance images

Left ventricular (LV) remodeling is usually assessed using changes in LV volume, while disregarding regional changes that may occur independently of volume. We hypothesized that 3D analysis of regional endocardial curvature could provide useful information on localized remodeling. Cardiac magnetic r...

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Bibliographic Details
Main Authors: Maffessanti, F, Caiani, E G, Nesser, H J, Niel, J, Steringer-Mascherbauer, R, Lang, R M, Mor-Avi, V
Format: Conference Proceeding
Language:English
Subjects:
Cardiology
Image reconstruction
Image segmentation
Motion segmentation
Shape
Surface reconstruction
Three dimensional displays
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Summary:Left ventricular (LV) remodeling is usually assessed using changes in LV volume, while disregarding regional changes that may occur independently of volume. We hypothesized that 3D analysis of regional endocardial curvature could provide useful information on localized remodeling. Cardiac magnetic resonance (CMR) images were acquired in 44 patients: 14 normal controls (NL), 15 with dilated cardiomyopathy (DCM), and 15 ischemic heart disease (IHD). LV endocardial surface was reconstructed throughout the cardiac cycle and used to calculate for each point the curvedness, normalized by instantaneous LV size (C n ). Normalized curvedness was compared between groups of segments: NL (N=401), DCM (N=255) and IHD (N=92). While in NL segments, C n values were comparable in basal and mid-ventricular segments, they were higher in the apical segments (p
ISSN:0276-6574
2325-8853