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The Value of Right Ventricular Longitudinal Strain in the Evaluation of Adult Patients With Repaired Tetralogy of Fallot: a New Tool for a Contemporary Challenge

2017-04Journal article Open access
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dc.contributor.authorAlmeida-Morais, L
dc.contributor.authorPereira-da-Silva, T
dc.contributor.authorBranco, LM
dc.contributor.authorTimóteo, AT
dc.contributor.authorAgapito, A
dc.contributor.authorSousa, L
dc.contributor.authorOliveira, JA
dc.contributor.authorThomas, B
dc.contributor.authorJalles-Tavares, N
dc.contributor.authorSoares, R
dc.contributor.authorGalrinho, A
dc.contributor.authorCruz Ferreira, R
dc.date.accessioned2018-01-12T14:08:57Z
dc.date.available2018-01-12T14:08:57Z
dc.date.issued2017-04
dc.description.abstractOBJECTIVE: The role of right ventricular longitudinal strain for assessing patients with repaired tetralogy of Fallot is not fully understood. In this study, we aimed to evaluate its relation with other structural and functional parameters in these patients. METHODS: Patients followed-up in a grown-up CHD unit, assessed by transthoracic echocardiography, cardiac MRI, and treadmill exercise testing, were retrospectively evaluated. Right ventricular size and function and pulmonary regurgitation severity were assessed by echocardiography and MRI. Right ventricular longitudinal strain was evaluated in the four-chamber view using the standard semiautomatic method. RESULTS: In total, 42 patients were included (61% male, 32±8 years). The mean right ventricular longitudinal strain was -16.2±3.7%, and the right ventricular ejection fraction, measured by MRI, was 42.9±7.2%. Longitudinal strain showed linear correlation with tricuspid annular systolic excursion (r=-0.40) and right ventricular ejection fraction (r=-0.45) (all p<0.05), which in turn showed linear correlation with right ventricular fractional area change (r=0.50), pulmonary regurgitation colour length (r=0.35), right ventricular end-systolic volume (r=-0.60), and left ventricular ejection fraction (r=0.36) (all p<0.05). Longitudinal strain (β=-0.72, 95% confidence interval -1.41, -0.15) and left ventricular ejection fraction (β=0.39, 95% confidence interval 0.11, 0.67) were independently associated with right ventricular ejection fraction. The best threshold of longitudinal strain for predicting a right ventricular ejection fraction of <40% was -17.0%. CONCLUSIONS: Right ventricular longitudinal strain is a powerful method for evaluating patients with tetralogy of Fallot. It correlated with echocardiographic right ventricular function parameters and was independently associated with right ventricular ejection fraction derived by MRI.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCardiol Young. 2017 Apr;27(3):498-506.pt_PT
dc.identifier.doi10.1017/S1047951116000810pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.17/2845
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherCambridge University Presspt_PT
dc.subjectAdultpt_PT
dc.subjectEchocardiographypt_PT
dc.subjectElectrocardiographypt_PT
dc.subjectExercise Testpt_PT
dc.subjectFemalept_PT
dc.subjectFollow-Up Studiespt_PT
dc.subjectHeart Ventriclespt_PT
dc.subjectHumanspt_PT
dc.subjectMagnetic Resonance Imaging, Cinept_PT
dc.subjectMalept_PT
dc.subjectPredictive Value of Testspt_PT
dc.subjectRetrospective Studiespt_PT
dc.subjectStroke Volumept_PT
dc.subjectSystolept_PT
dc.subjectTetralogy of Fallotpt_PT
dc.subjectVentricular Function, Rightpt_PT
dc.subjectCardiac Surgical Procedurespt_PT
dc.subjectHSM CARpt_PT
dc.titleThe Value of Right Ventricular Longitudinal Strain in the Evaluation of Adult Patients With Repaired Tetralogy of Fallot: a New Tool for a Contemporary Challengept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage506pt_PT
oaire.citation.issue3pt_PT
oaire.citation.startPage498pt_PT
oaire.citation.titleCardiology in the Youngpt_PT
oaire.citation.volume27pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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