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Purpose
To investigate whether magnetic resonance imaging (MRI) cine‐derived dyssynchrony indices provide additional information compared to conventional tagged MRI (tMRI) acquisitions in heart failure patients undergoing cardiac resynchronization therapy (CRT).
Materials and Methods
Patients scheduled for CRT (n = 52) underwent preprocedure MRI including cine and tMRI acquisitions. Segmental strain...
Local contractility evaluation is a promising area of cardiovascular research. We propose strain (local deformation measure) calculation method based on 2d non-rigid image registration on CINE magnetic resonance imaging data. First we register pairs of consecutive images in time series then we apply the results to whole study. Presented 2d approach is stable and faster then 3d or 3d+t methods. We...
Local contractility evaluation is a promising area of cardiovascular research. We propose and validate strain calculation method based on Gabor filters used on tagged magnetic resonance images. We focus on longitudinal strain calculated from images of the heart in its long axis. We validate the results on studies of both a healthy volunteer and two cardiomiopathy patients.
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