Dataset from Monti CB, Secchi F, Capra D, Guarnieri G, Lastella G, Barbaro U, Carminati M, Sardanelli F. Right ventricular strain in repaired Tetralogy of Fallot with regards to pulmonary valve replacement. Eur J Radiol. 2020 Oct;131:109235. doi: 10.1016/j.ejrad.2020.109235. Epub 2020 Aug 28. PMID: 32919263.
Authors/Creators
- 1. Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133 Milano, Italy. Electronic address: caterina.monti@unimi.it.
- 2. Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133 Milano, Italy; Unit of Radiology, IRCCS Policlinico San Donato, Via Morandi 30, 20097, San Donato Milanese, Italy. Electronic address: francesco.secchi@grupposandonato.it.
- 3. Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133 Milano, Italy. Electronic address: davide.capra@unimi.it.
- 4. Corso di Laurea in Medicina e Chirurgia, Università degli Studi di Milano, Via Festa del Perdono 7, 20122, Milano, Italy. Electronic address: gianlu1993@icloud.com.
- 5. Postgraduation School in Radiodiagnostics, Università degli Studi di Milano, Via Festa del Perdono 7, 20122, Milano, Italy. Electronic address: giulia.lastella@unimi.it.
- 6. Department of Radiology, IRCCS Centro Neurolesi "Bonino Pulejo", Viale Europa 45, 98124, Messina, Italy. Electronic address: ugobarbaro@gmail.com.
- 7. Department of Pediatric and Adult Congenital Cardiology and Cardiac Surgery, IRCCS Policlinico San Donato, Via Morandi 30, 20097, San Donato Milanese, Italy. Electronic address: mario.carminati@grupposandonato.it.
- 8. Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133 Milano, Italy; Unit of Radiology, IRCCS Policlinico San Donato, Via Morandi 30, 20097, San Donato Milanese, Italy. Electronic address: francesco.sardanelli@unimi.it.
Description
Dataset from the article Monti CB, Secchi F, Capra D, Guarnieri G, Lastella G, Barbaro U, Carminati M, Sardanelli F. Right ventricular strain in repaired Tetralogy of Fallot with regards to pulmonary valve replacement. Eur J Radiol. 2020 Oct;131:109235. doi: 10.1016/j.ejrad.2020.109235. Epub 2020 Aug 28. PMID: 32919263.
Abstract
Purpose: To assess right ventricular (RV) myocardial strain both globally and segmentally through feature-tracking cardiac magnetic resonance (CMR) in patients with Tetralogy of Fallot (ToF), with regards to pulmonary valve replacement (PVR).
Methods: After Ethics Committee approval, we retrospectively included 46 consecutive ToF patients who had two CMR examinations performed at our institution between March 2014 and June 2019. We divided patients into those who had not undergone PVR between the two CMR examinations (Group-0), and those who had (Group-1). Ventricular volumes were quantified on cine sequences, and strain was calculated through feature-tracking, using the previously traced segmentations. RV longitudinal and radial strain were assessed both globally and separately for the septum and free wall. Variations were normalized for intercurrent years, differences were appraised with t-tests or Mann-Whitney U.
Results: 30 patients belonged to Group-0 and 16 to Group-1. Median age was 22 years (interquartile range [IQR] 17-29 years) in Group-0, and 21 years (IQR 16-29 years) in Group-1. No significant differences were reported in RV strain between groups (p ≥ 0.254) except for RV septal radial strain, significantly higher (p = 0.010) in Group-0 (24.2 %, IQR 10.1-52.4 %) than in Group-1 (6.0 %, IQR -3.3-23.3 %) at the second CMR. Both global and segmental RV strains decreased over time in both groups, and yearly variations did not differ significantly (p ≥ 0.081) between groups.
Conclusions: While PVR performed at the appropriate timing eases the burden on the RV allowing for a reduction in volumes, RV strain seems to continuously deteriorate as in patients who do not undergo PVR.
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