2023
Detection of Left Ventricular Systolic Dysfunction From Electrocardiographic Images
Sangha V, Nargesi A, Dhingra L, Khunte A, Mortazavi B, Ribeiro A, Banina E, Adeola O, Garg N, Brandt C, Miller E, Ribeiro A, Velazquez E, Giatti L, Barreto S, Foppa M, Yuan N, Ouyang D, Krumholz H, Khera R. Detection of Left Ventricular Systolic Dysfunction From Electrocardiographic Images. Circulation 2023, 148: 765-777. PMID: 37489538, PMCID: PMC10982757, DOI: 10.1161/circulationaha.122.062646.Peer-Reviewed Original ResearchConceptsLV systolic dysfunctionYale-New Haven HospitalVentricular systolic dysfunctionSystolic dysfunctionLV ejection fractionBrazilian Longitudinal StudyNew Haven HospitalEjection fractionCardiology clinicRegional hospitalLeft ventricular systolic dysfunctionCedars-Sinai Medical CenterAdult Health (ELSA-Brasil) cohort
2019
Global Longitudinal Strain and Immune Status in Patients Living With Human Immunodeficiency Virus
Alenezi F, Bloomfield GS, Okeke NL, Velagapudi P, Abudaqa L, Ijioma N, Dunning A, Alajmi H, Clement ME, Shah SH, Naggie S, Velazquez EJ. Global Longitudinal Strain and Immune Status in Patients Living With Human Immunodeficiency Virus. The American Journal Of Cardiology 2019, 124: 966-971. PMID: 31371060, PMCID: PMC6887515, DOI: 10.1016/j.amjcard.2019.06.013.Peer-Reviewed Original ResearchConceptsLV ejection fractionHIV-1 RNA viral loadNormal LV ejection fractionRNA viral loadHuman immunodeficiency virusViral loadImmunodeficiency virusImmune statusGlobal longitudinal strain analysisNadir CD4 cell countPreclinical left ventricular dysfunctionDuke University Medical CenterCD4 cell countPlasma HIV RNALeft ventricular dysfunctionGlobal longitudinal strainCells/Longitudinal strain analysisUniversity Medical CenterCD4 cell count dataAbnormal GLSNadir CD4CD4 countHIV RNAVentricular dysfunction
2018
Predictors and Changes in Cardiac Hemodynamics and Geometry With Transcatheter Aortic Valve Implantation
Alenezi F, Fudim M, Rymer J, Dunning A, Chiswell K, Swaminathan M, Bottiger B, Velagapudi P, Nicoara A, Kisslo J, Velazquez E, Vemulapalli S, Bloomfield GS, Samad Z. Predictors and Changes in Cardiac Hemodynamics and Geometry With Transcatheter Aortic Valve Implantation. The American Journal Of Cardiology 2018, 123: 813-819. PMID: 30598241, DOI: 10.1016/j.amjcard.2018.11.038.Peer-Reviewed Original ResearchConceptsTranscatheter aortic valve implantationAortic valve implantationLV ejection fractionAortic stenosisValve implantationEjection fractionLV massCardiac hemodynamicsBaseline LV ejection fractionLeft ventricle mass indexPost-TAVI paravalvular leakLV global longitudinal strainDuke University Medical CenterBaseline LV massLV mass regressionSevere aortic stenosisVentricle mass indexGlobal longitudinal strainTreatment of patientsUniversity Medical CenterGreat clinical successTAVI patientsReverse remodelingTransthoracic echocardiographyMedian age
2017
Impaired left ventricular global longitudinal strain in patients with heart failure with preserved ejection fraction: insights from the RELAX trial
DeVore AD, McNulty S, Alenezi F, Ersboll M, Vader JM, Oh JK, Lin G, Redfield MM, Lewis G, Semigran MJ, Anstrom KJ, Hernandez AF, Velazquez EJ. Impaired left ventricular global longitudinal strain in patients with heart failure with preserved ejection fraction: insights from the RELAX trial. European Journal Of Heart Failure 2017, 19: 893-900. PMID: 28194841, PMCID: PMC5511088, DOI: 10.1002/ejhf.754.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBiomarkersDouble-Blind MethodEchocardiographyExercise ToleranceFemaleFollow-Up StudiesHeart Failure, SystolicHeart VentriclesHumansMaleMiddle AgedMyocardial ContractionNatriuretic Peptide, BrainOxygen ConsumptionPeptide FragmentsProcollagenQuality of LifeRetrospective StudiesStroke VolumeTime FactorsVentricular Function, LeftConceptsLV global longitudinal strainGlobal longitudinal strainImpaired LV global longitudinal strainVentricular global longitudinal strainEjection fractionQuality of lifeRELAX trialExercise capacityHeart failureN-terminal pro-brain natriuretic peptideLeft ventricular global longitudinal strainWorse LV global longitudinal strainLog-transformed NT-proBNPPro-brain natriuretic peptideNormal LV ejection fractionLongitudinal strainHeart failure scoreLV ejection fractionPeak oxygen consumptionHFpEF patientsMinnesota LivingDiastolic dysfunctionNT-proBNPSystolic dysfunctionClinical characteristics
2013
Mechanisms of Functional Mitral Regurgitation in Ischemic Cardiomyopathy Determined by Transesophageal Echocardiography (from the Surgical Treatment for Ischemic Heart Failure Trial)
Golba K, Mokrzycki K, Drozdz J, Cherniavsky A, Wrobel K, Roberts BJ, Haddad H, Maurer G, Yii M, Asch FM, Handschumacher MD, Holly TA, Przybylski R, Kron I, Schaff H, Aston S, Horton J, Lee KL, Velazquez EJ, Grayburn PA, Investigators S. Mechanisms of Functional Mitral Regurgitation in Ischemic Cardiomyopathy Determined by Transesophageal Echocardiography (from the Surgical Treatment for Ischemic Heart Failure Trial). The American Journal Of Cardiology 2013, 112: 1812-1818. PMID: 24035166, PMCID: PMC3830629, DOI: 10.1016/j.amjcard.2013.07.047.Peer-Reviewed Original ResearchConceptsEnd-systolic volume indexLV end-systolic volume indexFunctional mitral regurgitationLV ejection fractionSeverity of MRMitral regurgitationVolume indexTenting areaIschemic cardiomyopathyMR gradeAnnulus areaVentricular end-systolic volume indexIschemic Heart Failure (STICH) trialSphericity indexHeart Failure TrialEffective regurgitant orifice areaPosterior leaflet angleMitral annulus areaMitral annulus diameterRegurgitant orifice areaSTICH trialSurgical treatmentEjection fractionFailure TrialTransesophageal echocardiographyRegional cardiac dysfunction and outcome in patients with left ventricular dysfunction, heart failure, or both after myocardial infarction
Wang N, Shah A, Querejeta G, Gupta D, Velazquez E, Califf R, Mcmurray J, Pfeffer M, Solomon S. Regional cardiac dysfunction and outcome in patients with left ventricular dysfunction, heart failure, or both after myocardial infarction. European Heart Journal 2013, 34: p662. DOI: 10.1093/eurheartj/eht307.p662.Peer-Reviewed Original ResearchWall motion scoreLV ejection fractionHeart failureLV dysfunctionRegional cardiac functionLongitudinal strainEjection fractionClinical outcomesCardiac functionMultivariate Cox proportional hazards modelCox proportional hazards modelPost-myocardial infarction patientsLV wall motion scoreAbnormal wall motion scoreRegional cardiac dysfunctionLeft ventricular dysfunctionLeft ventricular functionMyocardial infarction patientsSpeckle tracking echocardiographySegmental longitudinal strainRegional longitudinal strainProportional hazards modelRegional myocardial functionPeak longitudinal strainNormal reference valuesInducible Myocardial Ischemia and Outcomes in Patients With Coronary Artery Disease and Left Ventricular Dysfunction
Panza JA, Holly TA, Asch FM, She L, Pellikka PA, Velazquez EJ, Lee KL, Borges-Neto S, Farsky PS, Jones RH, Berman DS, Bonow RO. Inducible Myocardial Ischemia and Outcomes in Patients With Coronary Artery Disease and Left Ventricular Dysfunction. Journal Of The American College Of Cardiology 2013, 61: 1860-1870. PMID: 23500234, PMCID: PMC3755503, DOI: 10.1016/j.jacc.2013.02.014.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseDobutamine stress echocardiogramLV ejection fractionInducible myocardial ischemiaEjection fractionMedical therapyMyocardial ischemiaCause mortalityVentricular dysfunctionArtery diseaseClinical endpointsMultivessel coronary artery diseaseOptimal medical therapyRadionuclide stress testsCoronary artery bypassSevere LV dysfunctionLeft ventricular dysfunctionStress-induced ischemiaPrevious myocardial infarctionSummed difference scoreStress testingRNS testingSTICH patientsSTICH trialArtery bypass
2011
Incremental value of echocardiographic assessment beyond clinical evaluation for prediction of death and development of heart failure after high-risk myocardial infarction
Verma A, Pfeffer MA, Skali H, Rouleau J, Maggioni A, McMurray JJ, Califf RM, Velazquez EJ, Solomon SD. Incremental value of echocardiographic assessment beyond clinical evaluation for prediction of death and development of heart failure after high-risk myocardial infarction. American Heart Journal 2011, 161: 1156-1162. PMID: 21641363, DOI: 10.1016/j.ahj.2011.03.024.Peer-Reviewed Original ResearchConceptsLV ejection fractionHigh-risk myocardial infarctionOutcome of deathHeart failureEchocardiographic measuresMyocardial infarctionEchocardiographic assessmentEjection fractionPrognostic valueClinical variablesClinical assessmentPredictive valueRight ventricular fractional area changeMultivariable proportional hazards modelsVentricular fractional area changeLeft ventricular ejection fractionMinimal prognostic valueAtrial volume indexIncremental prognostic valuePredictors of deathVentricular mass indexVentricular ejection fractionLeft ventricular functionPrediction of deathImportant prognostic information
2008
Impact of Left Ventricular Dysfunction on Hospital Mortality Among Patients Undergoing Elective Percutaneous Coronary Intervention
Wallace TW, Berger JS, Wang A, Velazquez EJ, Brown DL. Impact of Left Ventricular Dysfunction on Hospital Mortality Among Patients Undergoing Elective Percutaneous Coronary Intervention. The American Journal Of Cardiology 2008, 103: 355-360. PMID: 19166689, DOI: 10.1016/j.amjcard.2008.09.088.Peer-Reviewed Original ResearchConceptsElective percutaneous coronary interventionPercutaneous coronary interventionHospital mortalityEjection fractionCoronary interventionOdds ratioLeft ventricular systolic dysfunctionHospital mortality increasesReduced ejection fractionRetrospective cohort studyVentricular systolic dysfunctionLeft ventricular dysfunctionLow ejection fractionLV ejection fractionAdjusted hospital mortalitySystolic dysfunctionVentricular dysfunctionCohort studyMultivariate adjustmentMedical therapyEF groupPatientsMortalityOutcome variablesMortality increases
2006
Long-term outcomes of left bundle branch block in high-risk survivors of acute myocardial infarction: The VALIANT experience
Stephenson K, Skali H, McMurray JJ, Velazquez EJ, Aylward PG, Kober L, Van de Werf F, White HD, Pieper KS, Califf RM, Solomon SD, Pfeffer MA. Long-term outcomes of left bundle branch block in high-risk survivors of acute myocardial infarction: The VALIANT experience. Heart Rhythm 2006, 4: 308-313. PMID: 17341394, DOI: 10.1016/j.hrthm.2006.11.021.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAngiotensin II Type 1 Receptor BlockersAngiotensin-Converting Enzyme InhibitorsBundle-Branch BlockCaptoprilElectrocardiographyFemaleFollow-Up StudiesHeart FailureHumansMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionPredictive Value of TestsProportional Hazards ModelsResearch DesignRisk FactorsStroke VolumeSurvival AnalysisSurvivorsTetrazolesTime FactorsTreatment OutcomeValineValsartanVentricular Dysfunction, LeftConceptsNew left bundle branch blockLeft bundle branch blockLV systolic dysfunctionHigh-risk survivorsHeart failureMyocardial infarctionBundle branch blockSystolic dysfunctionCardiovascular outcomesIndependent predictorsBranch blockLeft ventricular systolic dysfunctionLong-term cardiovascular complicationsMajor adverse cardiovascular outcomesAcute Myocardial Infarction trialBaseline ECG dataMajor cardiovascular outcomesPost-MI survivorsComposite of deathMyocardial Infarction trialVentricular systolic dysfunctionAdverse cardiovascular outcomesHigh-risk patientsLV ejection fractionLong-term outcomes
2005
Outcomes by Race and Etiology of Patients With Left Ventricular Systolic Dysfunction
Thomas KL, East MA, Velazquez EJ, Tuttle RH, Shaw LK, O’Connor C, Peterson ED. Outcomes by Race and Etiology of Patients With Left Ventricular Systolic Dysfunction. The American Journal Of Cardiology 2005, 96: 956-963. PMID: 16188524, DOI: 10.1016/j.amjcard.2005.07.002.Peer-Reviewed Original ResearchConceptsProportional hazards regression modelsLV systolic dysfunctionVentricular systolic dysfunctionSystolic dysfunctionNonischemic etiologyHeart failureAdjusted Cox proportional hazards regression modelNew York Heart Association class IICox proportional hazards regression modelRacial differencesIschemic LV systolic dysfunctionSignificant coronary artery diseaseLong-term mortality riskWorse long-term outcomesNonischemic LV dysfunctionOutcomes of patientsSystolic heart failureEtiology of patientsLV ejection fractionCoronary artery diseaseLong-term outcomesHazards regression modelsLV dysfunctionWorse survivalArtery diseaseChanges in Ventricular Size and Function in Patients Treated With Valsartan, Captopril, or Both After Myocardial Infarction
Solomon SD, Skali H, Anavekar NS, Bourgoun M, Barvik S, Ghali JK, Warnica JW, Khrakovskaya M, Arnold JM, Schwartz Y, Velazquez EJ, Califf RM, McMurray JV, Pfeffer MA. Changes in Ventricular Size and Function in Patients Treated With Valsartan, Captopril, or Both After Myocardial Infarction. Circulation 2005, 111: 3411-3419. PMID: 15967846, DOI: 10.1161/circulationaha.104.508093.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngiotensin-Converting Enzyme InhibitorsCaptoprilDrug Therapy, CombinationElectrocardiographyFemaleHeart VentriclesHospitalizationHumansHypertrophy, Left VentricularMaleMiddle AgedMyocardial InfarctionPrognosisStroke VolumeTetrazolesTreatment OutcomeValineValsartanVentricular Dysfunction, LeftConceptsAngiotensin receptor blockersMyocardial infarctionEjection fractionEchocardiographic measuresPo bidPo tidHeart failureTreatment armsInfarct segment lengthProgressive LV enlargementVALIANT Echo studyLV ejection fractionLeft ventricular enlargementCombination of captoprilACE inhibitor captoprilEnd-diastolic volumeARB valsartanEchocardiographic characteristicsVALIANT studyCardiovascular eventsEchocardiographic parametersLV dysfunctionReceptor blockersLV enlargementVentricular enlargement