Abstract
Background Ebstein’s anomaly consists of varying degrees of tricuspid dysplasia and displacement into the right ventricular (RV) cavity, along with changes in ventricular function predominantly affecting the RV. Measuring alterations in contraction pattern and dyssynchrony may provide insights into ventricular performance in this disease. We sought to quantify right and left ventricular (RV and LV) deformation and dyssynchrony in a cohort of patients with Ebstein’s anomaly in comparison with normal controls using cardiovascular magnetic resonance myocardial feature tracking (CMR-FT).
Highlights
Ebstein’s anomaly consists of varying degrees of tricuspid dysplasia and displacement into the right ventricular (RV) cavity, along with changes in ventricular function predominantly affecting the RV
Intraventricular dyssynchrony (IntraVD) was calculated as the difference between the segments with the longest and shortest TPK divided by the global TPK value of the respective ventricle: (IntraVD) = TPKlongest-TPKshortest/TPK global
The ratio of global TPKRV and TPKLV was measured as interventricular dyssynchrony (InterVD)
Summary
Quantification of intra and inter-ventricular dyssynchrony in Ebstein’s anomaly using cardiovascular magnetic resonance myocardial feature tracking. Michael Steinmetz1*, Sophie-Charlotte Alt, Shelby Kutty, Jan M Sohns, Christina Unterberg-Buchwald, Thomas Paul, Gerd Hasenfuss, Joachim Lotz, Pablo Lamata, Andreas Schuster. From 17th Annual SCMR Scientific Sessions New Orleans, LA, USA. From 17th Annual SCMR Scientific Sessions New Orleans, LA, USA. 16-19 January 2014
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