Abstract
Background Cardiovascular Magnetic Resonance myocardial feature tracking (CMR-FT) is a quantitative technique tracking tissue voxel motion on standard steady-state free precession (SSFP) cine images to assess ventricular myocardial deformation. The importance of left atrial (LA) deformation assessment is increasingly recognized and can be assessed with echocardiographic speckle tracking. However atrial deformation quantification has never previously been demonstrated with CMR. We sought to determine the feasibility and reproducibility of CMR-FT for quantitative LA strain and strain rate (SR) analysis.
Highlights
Cardiovascular Magnetic Resonance myocardial feature tracking (CMR-FT) is a quantitative technique tracking tissue voxel motion on standard steady-state free precession (SSFP) cine images to assess ventricular myocardial deformation
left atrial (LA) longitudinal strain and strain rate (SR) parameters were derived from SSFP cine images using dedicated CMR-FT software (2D CPA MR, TomTec, Germany)
In all subjects LA strain and SR parameters could be derived from SSFP images
Summary
Johannes T Kowallick2,3*, Shelby Kutty, Frank Edelmann, Amedeo Chiribiri, Adriana Villa, Michael Steinmetz, Jan M Sohns, Wieland Staab, Nuno Bettencourt, Christina Unterberg-Buchwald, Gerd Hasenfuss, Joachim Lotz, Andreas Schuster
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