2022
An Explainable Machine Learning Approach Reveals Prognostic Significance of Right Ventricular Dysfunction in Nonischemic Cardiomyopathy
Fahmy A, Csecs I, Arafati A, Assana S, Yankama T, Al-Otaibi T, Rodriguez J, Chen Y, Ngo L, Manning W, Kwong R, Nezafat R. An Explainable Machine Learning Approach Reveals Prognostic Significance of Right Ventricular Dysfunction in Nonischemic Cardiomyopathy. JACC Cardiovascular Imaging 2022, 15: 766-779. PMID: 35033500, DOI: 10.1016/j.jcmg.2021.11.029.Peer-Reviewed Original ResearchConceptsNonischemic dilated cardiomyopathyBeth Israel Deaconess Medical CenterComposite endpointRight ventricular (RV) dysfunctionCardiovascular hospitalizationRisk prediction modelAdverse outcomesRisk markersMarker of adverse outcomeCardiac magnetic resonance markersRisk stratification of patientsRight ventricular dysfunctionRV ejection fractionMedical CenterFollow-up durationCardiac magnetic resonanceEnd-diastolic volumeStratification of patientsArea under the curveAll-cause deathHigh-risk thresholdVentricular dysfunctionEjection fractionNonischemic cardiomyopathyPrognostic significance
2018
Cardiac magnetic resonance based deformation imaging: role of feature tracking in athletes with suspected arrhythmogenic right ventricular cardiomyopathy
Czimbalmos C, Csecs I, Dohy Z, Toth A, Suhai F, Müssigbrodt A, Kiss O, Geller L, Merkely B, Vago H. Cardiac magnetic resonance based deformation imaging: role of feature tracking in athletes with suspected arrhythmogenic right ventricular cardiomyopathy. The International Journal Of Cardiovascular Imaging 2018, 35: 529-538. PMID: 30382474, PMCID: PMC6453871, DOI: 10.1007/s10554-018-1478-y.Peer-Reviewed Original ResearchMeSH KeywordsAdultArrhythmogenic Right Ventricular DysplasiaAthletesCardiomegaly, Exercise-InducedCase-Control StudiesDiagnosis, DifferentialFemaleHeart VentriclesHumansImage Interpretation, Computer-AssistedMagnetic Resonance Imaging, CineMaleMyocardial ContractionPredictive Value of TestsReproducibility of ResultsStroke VolumeVentricular Function, LeftVentricular Function, RightVentricular RemodelingConceptsArrhythmogenic right ventricular cardiomyopathyRV ejection fractionCardiac magnetic resonanceTask Force criteriaRV free wallRight ventricular cardiomyopathyCut-off valueAthlete's heartVentricular cardiomyopathyBalanced steady-state free precession cine imagesRight ventricular (RV) remodelingSuspected arrhythmogenic right ventricular cardiomyopathyDiagnosis of arrhythmogenic right ventricular cardiomyopathySteady-state free precession cine imagesFree wallHealthy athletesRV strain analysisRight ventricular volumesRV dilatationEjection fractionCine imagesVentricular volumeRegional strain analysisTrained athletesMagnetic resonanceLeft and right ventricular parameters corrected with threshold-based quantification method in a normal cohort analyzed by three independent observers with various training-degree
Csecs I, Czimbalmos C, Suhai F, Mikle R, Mirzahosseini A, Dohy Z, Szűcs A, Kiss A, Simor T, Tóth A, Merkely B, Vágó H. Left and right ventricular parameters corrected with threshold-based quantification method in a normal cohort analyzed by three independent observers with various training-degree. The International Journal Of Cardiovascular Imaging 2018, 34: 1127-1133. PMID: 29492774, DOI: 10.1007/s10554-018-1322-4.Peer-Reviewed Original ResearchConceptsCardiac magnetic resonancePapillary musclesInterobserver agreementIndependent observersShort-axis cine imagesCardiac magnetic resonance scansRight ventricular parametersRV ejection fractionRight ventricular functionInvestigate interobserver variabilityGlobal intraclass correlation coefficientAssess LVIntraclass correlation coefficientRV parametersEjection fractionVentricular parametersVentricular functionHealthy volunteersCine imagesLV parametersEnd-diastolicInterobserver variabilityMeasure LVEnd-systoleTB method