2024
A Multimodal Video-Based AI Biomarker for Aortic Stenosis Development and Progression
Oikonomou E, Holste G, Yuan N, Coppi A, McNamara R, Haynes N, Vora A, Velazquez E, Li F, Menon V, Kapadia S, Gill T, Nadkarni G, Krumholz H, Wang Z, Ouyang D, Khera R. A Multimodal Video-Based AI Biomarker for Aortic Stenosis Development and Progression. JAMA Cardiology 2024, 9: 534-544. PMID: 38581644, PMCID: PMC10999005, DOI: 10.1001/jamacardio.2024.0595.Peer-Reviewed Original ResearchCardiac magnetic resonanceAortic valve replacementCardiac magnetic resonance imagingAV VmaxSevere ASAortic stenosisCohort studyPeak aortic valve velocityCohort study of patientsAortic valve velocityCohort of patientsTraditional cardiovascular risk factorsAssociated with faster progressionStudy of patientsCedars-Sinai Medical CenterAssociated with AS developmentCardiovascular risk factorsCardiovascular imaging modalitiesIndependent of ageModerate ASEjection fractionEchocardiographic studiesValve replacementRisk stratificationCardiac structure
2017
Value of Cardiovascular Magnetic Resonance Imaging–Derived Baseline Left Ventricular Ejection Fraction and Volumes for Precise Risk Stratification of Patients With Ischemic Cardiomyopathy: Insights From the Surgical Treatment for Ischemic Heart Failure (STICH) Trial
Pai RG, Varadarajan P, Rouleau JL, Stebbins AL, Velazquez EJ, Al-Khalidi HR, Pohost GM. Value of Cardiovascular Magnetic Resonance Imaging–Derived Baseline Left Ventricular Ejection Fraction and Volumes for Precise Risk Stratification of Patients With Ischemic Cardiomyopathy: Insights From the Surgical Treatment for Ischemic Heart Failure (STICH) Trial. JAMA Cardiology 2017, 2: 577-579. PMID: 28199489, PMCID: PMC5814980, DOI: 10.1001/jamacardio.2016.5492.Peer-Reviewed Original ResearchMeSH KeywordsAgedCardiac Surgical ProceduresCardiomyopathiesFemaleHeart FailureHeart VentriclesHumansKaplan-Meier EstimateMagnetic Resonance ImagingMagnetic Resonance Imaging, CineMaleMiddle AgedMortalityMultivariate AnalysisMyocardial IschemiaOrgan SizePlastic Surgery ProceduresRisk AssessmentStroke VolumeConceptsIschemic Heart Failure (STICH) trialCardiovascular magnetic resonance imagingHeart Failure TrialVentricular ejection fractionPrecise risk stratificationMagnetic resonance imagingEjection fractionIschemic cardiomyopathySurgical treatmentFailure TrialRisk stratificationResonance imagingPatientsCardiomyopathyBaselineTrials
2013
Early Echocardiographic Deformation Analysis for the Prediction of Sudden Cardiac Death and Life-Threatening Arrhythmias After Myocardial Infarction
Ersbøll M, Valeur N, Andersen MJ, Mogensen UM, Vinther M, Svendsen JH, Møller JE, Kisslo J, Velazquez EJ, Hassager C, Søgaard P, Køber L. Early Echocardiographic Deformation Analysis for the Prediction of Sudden Cardiac Death and Life-Threatening Arrhythmias After Myocardial Infarction. JACC Cardiovascular Imaging 2013, 6: 851-860. PMID: 23850252, DOI: 10.1016/j.jcmg.2013.05.009.Peer-Reviewed Original ResearchMeSH KeywordsAgedArrhythmias, CardiacDeath, Sudden, CardiacDefibrillators, ImplantableDenmarkEchocardiographyElectric CountershockFemaleHumansMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionPredictive Value of TestsPrimary PreventionProportional Hazards ModelsProspective StudiesRisk FactorsStroke VolumeTreatment OutcomeVentricular Function, LeftConceptsGlobal longitudinal strainAcute myocardial infarctionSudden cardiac deathMalignant ventricular arrhythmiasMyocardial infarctionNet reclassification indexVentricular arrhythmiasCardiac deathAddition of GLSMeasurement of GLSSCD/VAsChronic ischemic heart failureNovel echocardiographic parametersPrimary composite endpointPrimary composite outcomeIschemic heart failureEchocardiographic parametersPrimary endpointComposite outcomeHospital dischargeLate complicationsMultivariate adjustmentComposite endpointHeart failureRisk stratification
2009
Predictors of sudden cardiac death change with time after myocardial infarction: results from the VALIANT trial
Piccini JP, Zhang M, Pieper K, Solomon SD, Al-Khatib SM, Van de Werf F, Pfeffer MA, McMurray JJ, Califf RM, Velazquez EJ. Predictors of sudden cardiac death change with time after myocardial infarction: results from the VALIANT trial. European Heart Journal 2009, 31: 211-221. PMID: 19854729, DOI: 10.1093/eurheartj/ehp425.Peer-Reviewed Original ResearchConceptsSudden cardiac deathMyocardial infarctionInitial left ventricular ejection fractionRisk of SCDLeft ventricular ejection fractionHigher baseline heart rateBaseline creatinine clearanceBaseline clinical characteristicsRecurrent cardiovascular eventsPrior myocardial infarctionVentricular ejection fractionBaseline heart rateCox proportional hazardsCardiovascular eventsClinical characteristicsCreatinine clearanceCumulative incidenceCardiac deathEjection fractionEntire followRisk stratificationVALIANT trialPost-MIRisk stratifierLandmark analysis
2007
Mortality risk associated with ejection fraction differs across resting nuclear perfusion findings
Bourque JM, Velazquez EJ, Tuttle RH, Shaw LK, O’Connor C, Borges-Neto S. Mortality risk associated with ejection fraction differs across resting nuclear perfusion findings. Journal Of Nuclear Cardiology 2007, 14: 165-173. PMID: 17386378, DOI: 10.1016/j.nuclcard.2006.11.011.Peer-Reviewed Original ResearchConceptsMortality riskEjection fractionPrognostic informationHigher long-term mortality ratesLong-term mortality ratesPerfusion single-photon emissionVentricular ejection fractionIschemic heart diseaseLong-term outcomesProportional hazard modelingLong-term survivalSingle photon emissionCardiac catheterizationNormal LVEFRisk stratificationPerfusion findingsPatient prognosticationHeart diseaseRest scoreLVEFMyocardial perfusionMortality ratePerfusion studiesHazard modelingSignificant predictors