Atrial and ventricular strain changes after transcatheter pulmonary valve replacement in patients with repaired tetralogy of Fallot: a feature tracking cardiac MRI study

• DOI: 10.1007/s11604-025-01765-x
• Publication Date: 2025-03-12T04:04:45Z
• Authors: Sercin Ozkok; Hatice Ozge Ciftci; Ilker Kemal Yucel; Dursun Muhammed O...; Kevser Banu Kose; Ahmet Celebi; Kerem Pekkan
• Keywords: Pulmonary valve; Valve replacement; Pulmonary Valve Insufficiency

Abstract Purpose In patients with repaired tetralogy of Fallot, transcatheter or surgical pulmonary valve replacement is recommended. However, it not clear whether preserves systolic and diastolic functions both ventricles. The aim the study to investigate impact on atrial ventricular myocardial strain changes by feature-tracking cardiac magnetic resonance imaging. Materials methods Cardiac imaging 18 (median age 14.5 years) Fallot before after were retrospectively analyzed. Feature tracking for left right atria ventricles was performed. parameters (volume function) characteristics (atria ventricles) compared replacement. Wilcoxon rank-sum Spearman correlation test used. Results After replacement, end-diastolic volume, end-systolic stroke volume decreased, whereas ejection fractions remained unchanged. Reservoir, conduit pump measurements improved ( P = 0.003, 0.001, 0.006) 0.013, 0.004, 0.015). Global circumferential, longitudinal, radial strains 0.043, 0.002, respectively). Right ventricle global circumferential significantly no significant change in longitudinal 0.007, 0.068, 0.055, Conclusion Transcatheter enhances parameters, indicating a positive overall function. Feature-tracking may offer comprehensive, non-invasive evaluation which leads improvement indications outcomes.