2016
Reassessment of Cardiac Function and Implantable Cardioverter-Defibrillator Use Among Medicare Patients With Low Ejection Fraction After Myocardial Infarction
Pokorney SD, Miller AL, Chen AY, Thomas L, Fonarow GC, de Lemos JA, Al-Khatib SM, Velazquez EJ, Peterson ED, Wang TY. Reassessment of Cardiac Function and Implantable Cardioverter-Defibrillator Use Among Medicare Patients With Low Ejection Fraction After Myocardial Infarction. Circulation 2016, 135: 38-47. PMID: 27881561, DOI: 10.1161/circulationaha.116.022359.Peer-Reviewed Original ResearchMeSH KeywordsAgedDatabases, FactualDefibrillators, ImplantableFemaleHeart VentriclesHumansMagnetic Resonance ImagingMaleMedicareMyocardial InfarctionMyocardial RevascularizationProportional Hazards ModelsRegistriesRetrospective StudiesStroke VolumeSurvival RateTomography, X-Ray ComputedUltrasonographyUnited StatesConceptsLow ejection fractionEjection fractionICD implantationMyocardial infarctionMI admissionsRevascularization statusImplantable cardioverter-defibrillator (ICD) useACTION Registry-GWTGICD implantation ratesMultivariable Cox modelPost-MI patientsYears of ageImplantation rateCardiac functionMedicare patientsCox modelPatientsAdmissionHigher likelihoodInfarctionImplantationAssociationYearsStatusICD
2015
Torsemide Versus Furosemide in Heart Failure Patients
Mentz RJ, Buggey J, Fiuzat M, Ersbøll MK, Schulte PJ, DeVore AD, Eisenstein EL, Anstrom KJ, O'Connor C, Velazquez EJ. Torsemide Versus Furosemide in Heart Failure Patients. Journal Of Cardiovascular Pharmacology 2015, 65: 438-443. PMID: 25945862, PMCID: PMC4423558, DOI: 10.1097/fjc.0000000000000212.Peer-Reviewed Original ResearchMeSH KeywordsAcademic Medical CentersAgedComorbidityDatabases, FactualFemaleFurosemideHeart FailureHumansKaplan-Meier EstimateMaleMiddle AgedNorth CarolinaRetrospective StudiesRisk FactorsSex FactorsSodium Potassium Chloride Symporter InhibitorsSulfonamidesTertiary Care CentersTorsemideTreatment OutcomeUltrasonographyConceptsHeart failure patientsFailure patientsEffects of torsemideFurosemide-treated patientsMore comorbiditiesCause mortalityBaseline characteristicsProspective trialHeart failureLoop diureticsResidual confoundingPatientsDuke HospitalFurosemideRisk adjustmentTorsemideMortalityLab databaseComorbiditiesDiureticsHospitalTrials
2011
Cardiac structure and function, remodeling, and clinical outcomes among patients with diabetes after myocardial infarction complicated by left ventricular systolic dysfunction, heart failure, or both
Shah AM, Hung CL, Shin SH, Skali H, Verma A, Ghali JK, Køber L, Velazquez EJ, Rouleau JL, McMurray JJ, Pfeffer MA, Solomon SD. Cardiac structure and function, remodeling, and clinical outcomes among patients with diabetes after myocardial infarction complicated by left ventricular systolic dysfunction, heart failure, or both. American Heart Journal 2011, 162: 685-691. PMID: 21982661, DOI: 10.1016/j.ahj.2011.07.015.Peer-Reviewed Original ResearchConceptsLV mass indexRisk of deathRelative wall thicknessDiabetic patientsEjection fractionMass indexHigh riskBaseline LV mass indexLeft ventricular systolic dysfunctionHigher LV mass indexHeart failure post-myocardial infarctionVALIANT Echo studyAtrial volume indexVentricular systolic dysfunctionAge-adjusted modelsQuantitative echocardiographic analysisPost-myocardial infarctionHF hospitalizationLong-term elevationNondiabetic patientsConcentric remodelingSystolic dysfunctionAtrial enlargementHeart failureClinical outcomes
2010
Longitudinal and Circumferential Strain Rate, Left Ventricular Remodeling, and Prognosis After Myocardial Infarction
Hung CL, Verma A, Uno H, Shin SH, Bourgoun M, Hassanein AH, McMurray JJ, Velazquez EJ, Kober L, Pfeffer MA, Solomon SD, Investigators V. Longitudinal and Circumferential Strain Rate, Left Ventricular Remodeling, and Prognosis After Myocardial Infarction. Journal Of The American College Of Cardiology 2010, 56: 1812-1822. PMID: 21087709, DOI: 10.1016/j.jacc.2010.06.044.Peer-Reviewed Original ResearchMeSH KeywordsAgedBiomechanical PhenomenaFemaleHumansMaleMiddle AgedMyocardial InfarctionPrognosisUltrasonographyVentricular RemodelingConceptsCircumferential SRMyocardial infarctionHeart failureLongitudinal SRHigh-risk myocardial infarctionVALIANT Echo studyLong-term outcomesMultivariable logistic regressionStandard echocardiographic measuresClinical prognostic valueVentricular contractile performanceCox proportional hazardsParasternal short-axis viewCircumferential strain rateSpeckle-tracking softwareShort-axis viewHospital stayLV dysfunctionSystolic functionEchocardiographic measuresIndependent predictorsClinical outcomesVentricular enlargementPrognostic valueSystolic SRMechanical Dyssynchrony After Myocardial Infarction in Patients With Left Ventricular Dysfunction, Heart Failure, or Both
Shin SH, Hung CL, Uno H, Hassanein AH, Verma A, Bourgoun M, Køber L, Ghali JK, Velazquez EJ, Califf RM, Pfeffer MA, Solomon SD. Mechanical Dyssynchrony After Myocardial Infarction in Patients With Left Ventricular Dysfunction, Heart Failure, or Both. Circulation 2010, 121: 1096-1103. PMID: 20176989, DOI: 10.1161/circulationaha.109.863795.Peer-Reviewed Original ResearchMeSH KeywordsAgedAnalog-Digital ConversionAngiotensin II Type 1 Receptor BlockersDeathDisease ProgressionFemaleFollow-Up StudiesHeart FailureHumansMaleMiddle AgedMotionMyocardial ContractionMyocardial InfarctionPrognosisProportional Hazards ModelsStress, MechanicalTetrazolesUltrasonographyValineValsartanVentricular Dysfunction, LeftVideo RecordingConceptsSD of timeLeft ventricular dysfunctionHeart failureMyocardial infarctionMechanical dyssynchronyVentricular dysfunctionIndependent predictorsPost-myocardial infarction prognosisPeak velocityAdverse cardiovascular outcomesMultivariate Cox modelRisk of deathLeft ventricular segmentsMeasures of dyssynchronyVelocity vector imagingCardiovascular outcomesEchocardiographic variablesVentricular synchronyVentricular dyssynchronyClinical outcomesEchocardiography studyRisk factorsContractile patternsVentricular segmentsCox model
2008
Prognostic Implications of Left Ventricular Mass and Geometry Following Myocardial Infarction The VALIANT (VALsartan In Acute myocardial iNfarcTion) Echocardiographic Study
Verma A, Meris A, Skali H, Ghali JK, Arnold JM, Bourgoun M, Velazquez EJ, McMurray JJ, Kober L, Pfeffer MA, Califf RM, Solomon SD. Prognostic Implications of Left Ventricular Mass and Geometry Following Myocardial Infarction The VALIANT (VALsartan In Acute myocardial iNfarcTion) Echocardiographic Study. JACC Cardiovascular Imaging 2008, 1: 582-591. PMID: 19356485, DOI: 10.1016/j.jcmg.2008.05.012.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngiotensin II Type 1 Receptor BlockersCardiovascular DiseasesEuropeFemaleHeart VentriclesHumansHypertrophy, Left VentricularKaplan-Meier EstimateMaleMiddle AgedMyocardial InfarctionPredictive Value of TestsProportional Hazards ModelsRecurrenceRisk AssessmentRisk FactorsTetrazolesTime FactorsTreatment OutcomeUltrasonographyUnited StatesValineValsartanVentricular RemodelingConceptsLeft ventricular mass indexRelative wall thicknessHigh-risk myocardial infarctionAdverse cardiovascular eventsLeft ventricular massMyocardial infarctionLV geometryCardiovascular eventsConcentric remodelingEchocardiographic studyLV hypertrophyConcentric hypertrophyEccentric hypertrophyPrognostic implicationsVentricular massBaseline left ventricular mass indexMean left ventricular mass indexBaseline left ventricular massHigher relative wall thicknessBaseline LV massNonfatal cardiovascular outcomesAbnormal LV geometryComposite end pointVentricular mass indexConcentric LV hypertrophyUsefulness of Right Ventricular Fractional Area Change to Predict Death, Heart Failure, and Stroke Following Myocardial Infarction (from the VALIANT ECHO Study)
Anavekar NS, Skali H, Bourgoun M, Ghali JK, Kober L, Maggioni AP, McMurray JJ, Velazquez E, Califf R, Pfeffer MA, Solomon SD. Usefulness of Right Ventricular Fractional Area Change to Predict Death, Heart Failure, and Stroke Following Myocardial Infarction (from the VALIANT ECHO Study). The American Journal Of Cardiology 2008, 101: 607-612. PMID: 18308007, DOI: 10.1016/j.amjcard.2007.09.115.Peer-Reviewed Original ResearchConceptsRight ventricular fractional area changeVentricular fractional area changeRight ventricular functionHeart failureFractional area changeMyocardial infarctionClinical outcomesSudden deathCause mortalityVentricular dysfunctionEjection fractionVentricular functionBaseline right ventricular functionRight ventricular systolic functionSevere right ventricular dysfunctionLeft ventricular ejection fractionRecurrent myocardial infarctionRight ventricular dysfunctionLeft ventricular dysfunctionVentricular systolic functionVentricular ejection fractionMajor risk factorTwo-dimensional echocardiogramsCV deathCV outcomes
2006
Predicting significant coronary artery disease in patients with left ventricular dysfunction
Whellan DJ, Tuttle RH, Velazquez EJ, Shaw LK, Jollis JG, Ellis W, O'Connor CM, Califf RM, Borges-Neto S. Predicting significant coronary artery disease in patients with left ventricular dysfunction. American Heart Journal 2006, 152: 340-347. PMID: 16875920, DOI: 10.1016/j.ahj.2005.12.001.Peer-Reviewed Original ResearchConceptsSignificant coronary artery diseaseCoronary artery diseaseSegmental wall motion abnormalitiesLeft ventricular dysfunctionWall motion abnormalitiesEjection functionCardiac catheterizationVentricular dysfunctionArtery diseaseMedian ageMotion abnormalitiesLikelihood of CADAccurate baseline assessmentPatients' median ageMajor epicardial vesselsDiagnostic cardiac catheterizationNumber of patientsUnnecessary invasive proceduresStepwise logistic regressionClinical characteristicsEchocardiographic parametersPrevalent comorbiditiesDuke DatabankHeart failureDiabetes mellitus