2021
Deep Learning–Based Automated Echocardiographic Quantification of Left Ventricular Ejection Fraction
Asch F, Mor-Avi V, Rubenson D, Goldstein S, Saric M, Mikati I, Surette S, Chaudhry A, Poilvert N, Hong H, Horowitz R, Park D, Diaz-Gomez J, Boesch B, Nikravan S, Liu R, Philips C, Thomas J, Martin R, Lang R. Deep Learning–Based Automated Echocardiographic Quantification of Left Ventricular Ejection Fraction. Circulation Cardiovascular Imaging 2021, 14: e012293. PMID: 34126754, DOI: 10.1161/circimaging.120.012293.Peer-Reviewed Original ResearchConceptsMachine-learning algorithmsAutomated machine-learning algorithmMachine-learning classificationLV functionAutomated classificationPoint-of-careAlgorithmEjection fractionAutomated estimationLV) ejection fractionApical 2-chamber viewParasternal long-axis viewEvaluation of LV functionProtocol 1Point-of-care settingsAccuracyClassificationApical 4-chamberLong-axis viewPoint-of-care physiciansImaging systemMildly-to-moderatelyProtocolEF valuesClinical examination
2019
P4429Cardiac magnetic resonance characteristics of professional athletes and hypertrophic cardiomyopathy patients in the grey zone of hypertrophy
Czimbalmos C, Csecs I, Dohy Z, Toth A, Suhai F, Szabo L, Horvath V, Sydo N, Kiss O, Becker D, Merkely B, Vago H. P4429Cardiac magnetic resonance characteristics of professional athletes and hypertrophic cardiomyopathy patients in the grey zone of hypertrophy. European Heart Journal 2019, 40: ehz745.0831. DOI: 10.1093/eurheartj/ehz745.0831.Peer-Reviewed Original ResearchMale HCM patientsHCM patientsHypertrophic cardiomyopathy patientsHypertrophic cardiomyopathyHealthy athletesEjection fractionLeft ventricular (LV) ejection fractionLV) ejection fractionConventional CMR parametersCardiac magnetic resonanceEnd-diastolic wall thicknessLV hypertrophyCardiomyopathy patientsNo significant differenceCMR parametersGray zoneHCM groupEnd-diastolicPhysiological hypertrophyPatient groupAthlete's heartEnd-systolePatientsHypertrophyStroke volume
2010
Rapid Estimation of Left Ventricular Function Using Echocardiographic Speckle-Tracking of Mitral Annular Displacement
Tsang W, Ahmad H, Patel A, Sugeng L, Salgo I, Weinert L, Mor-Avi V, Lang R. Rapid Estimation of Left Ventricular Function Using Echocardiographic Speckle-Tracking of Mitral Annular Displacement. Journal Of The American Society Of Echocardiography 2010, 23: 511-515. PMID: 20356710, DOI: 10.1016/j.echo.2010.03.003.Peer-Reviewed Original ResearchConceptsMitral annular displacementCMR EFCardiac magnetic resonanceEjection fractionAnnular displacementLeft ventricular (LV) ejection fractionEstimation of left ventricular functionStudy groupLV) ejection fractionTransthoracic two-dimensional echocardiographyTest groupTwo-dimensional echocardiographyAcceptable limits of agreementLeft ventricular functionClinical transthoracic echocardiographyBland-Altman analysisLimits of agreementClinically useful toolTransthoracic echocardiographyEndocardial definitionVentricular functionMitral annulusEndocardial visualizationAnnular motionInterobserver variability
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