ArticleEuropean heart journal. Imaging methods and practice2024
Simultaneous volumetric and functional right ventricular assessment by principal strain analysis in children with repaired tetralogy of Fallot.
Article in European heart journal. Imaging methods and practice, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Physics-Informed Reconstruction of Transmural Myocardial Deformation from 3D Echocardiography: Validation Against Cardiac MRI.Annals of biomedical engineering · 2026Article
- Integrated Strain-Flow Analysis for Early Assessment of Right Ventricular Dysfunction in Pulmonary Arterial Hypertension.Annals of biomedical engineering · 2026Article
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Authors and funding
7 authors.
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Abstract
Aims: Principal strain (PS) analysis using 3D speckle-tracking echocardiography enables us to simultaneously measure 3D ventricular volumes and strains. PS quantifies 3D deformation by defining not only amplitude but also direction of principal myocardial contraction (PS angle). This study aims (i) to validate volumetric and functional parameters using PS analysis in volume-overloaded right ventricle (RV) of repaired tetralogy of Fallot (rTOF) vs. cardiac magnetic resonance (CMR) and (ii) to describe PS analysis indices in patients undergoing pulmonary valve replacement (PVR). Methods and results: Sixty-four paediatric patients with rTOF (12.4 ± 5.2 years) and 58 age-matched healthy children (12.8 ± 3.7 years) were prospectively included. We calculated PS magnitude [global PS (GPS)] and angle, indexed RV end-diastolic and end-systolic volumes (EDVi and ESVi), RV ejection fraction (EF), and conventional strains. Among rTOF patients, 32 CMRs were available. First, we validated volumetric parameters obtained by PS analysis against CMR. Second, we compared these indices between rTOF patients and controls. Lastly, we evaluated the discriminative value of PS analysis in PVR. PS analysis and CMR measurements showed good correlations (EDVi, Conclusion: PS analysis is a reliable and reproducible method for both volumetric and functional analysis of volume-overloaded RV in rTOF, which can be of incremental value for defining the indications for PVR.
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