2023
Rationale, Design and Baseline Characteristics of the PARAGLIDE-HF Trial: Sacubitril/Valsartan vs Valsartan in HFmrEF and HFpEF With a Worsening Heart Failure Event
Mentz R, Ward J, Hernandez A, Lepage S, Morrow D, Sarwat S, Sharma K, Solomon S, Starling R, Velazquez E, Williamson K, Zieroth S, Braunwald E. Rationale, Design and Baseline Characteristics of the PARAGLIDE-HF Trial: Sacubitril/Valsartan vs Valsartan in HFmrEF and HFpEF With a Worsening Heart Failure Event. Journal Of Cardiac Failure 2023, 29: 922-930. PMID: 36796671, DOI: 10.1016/j.cardfail.2023.02.001.Peer-Reviewed Original ResearchConceptsSac/ValSacubitril/valsartanHeart failure eventsPARAGON-HF trialWHF eventNT-proBNPEjection fractionHeart failureClinical outcomesAmino-terminal pro-B-type natriuretic peptide levelsTerminal pro-B-type natriuretic peptide levelsB-type natriuretic peptide levelsDe novo HFChronic heart failureNatriuretic peptide levelsPrimary efficacy endpointPg/mLEfficacy endpointSafety endpointSecondary endpointsSymptomatic hypotensionBaseline characteristicsRenal functionStable patientsBlack patients
2019
Renal Effects of Intensive Volume Removal in Heart Failure Patients With Preexisting Worsening Renal Function
Rao VS, Ahmad T, Brisco-Bacik MA, Bonventre JV, Wilson FP, Siew ED, Felker GM, Anstrom KK, Mahoney DD, Bart BA, Tang WHW, Velazquez EJ, Testani JM. Renal Effects of Intensive Volume Removal in Heart Failure Patients With Preexisting Worsening Renal Function. Circulation Heart Failure 2019, 12: e005552. PMID: 31163974, PMCID: PMC6585463, DOI: 10.1161/circheartfailure.118.005552.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBiomarkersCreatinineFemaleHeart FailureHumansKidneyLipocalin-2MaleMiddle AgedProspective StudiesConceptsRenal tubular injury biomarkersTubular injury biomarkersHeart failure patientsAcute decompensated heart failure patientsDecompensated heart failure patientsTubular injury markersInjury biomarkersFailure patientsRenal functionInjury markersAcute decompensated heart failureVolume removalCARRESS-HF trialRenal function recoveryDecompensated heart failureRenal tubular injuryRenal effectsSerum creatinineTubular injuryBiomarker substudyHeart failurePharmacological therapyClinical outcomesFunction recoveryHigh incidence
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
Impact of Intubation Time on Survival following Coronary Artery Bypass Grafting: Insights from the Surgical Treatment for Ischemic Heart Failure (STICH) Trial
Bouabdallaoui N, Stevens SR, Doenst T, Wrobel K, Bouchard D, Deja MA, Michler RE, Chua YL, Kalil RAK, Selzman CH, Daly RC, Sun B, Djokovic LT, Sopko G, Velazquez EJ, Rouleau JL, Lee KL, Al-Khalidi HR, Investigators F. Impact of Intubation Time on Survival following Coronary Artery Bypass Grafting: Insights from the Surgical Treatment for Ischemic Heart Failure (STICH) Trial. Journal Of Cardiothoracic And Vascular Anesthesia 2017, 32: 1256-1263. PMID: 29422280, PMCID: PMC6517319, DOI: 10.1053/j.jvca.2017.12.038.Peer-Reviewed Original ResearchConceptsCoronary artery bypassIntubation timeArtery bypassSurgical treatmentRisk factorsNew York Heart Association classMultivariable Cox proportional hazards modelsIschemic Heart Failure (STICH) trialPrevious coronary artery bypassMultivariable logistic regression modelCox proportional hazards modelPostoperative intubation timeHeart Failure TrialSystolic volume indexIschemic heart failureMitral valve proceduresIdentification of patientsMortality risk factorsStrong independent predictorProportional hazards modelStrongest predictorLogistic regression modelsPostoperative mortalitySTICH trialPerioperative factorsPrevalence and Outcomes of Left‐Sided Valvular Heart Disease Associated With Chronic Kidney Disease
Samad Z, Sivak JA, Phelan M, Schulte PJ, Patel U, Velazquez EJ. Prevalence and Outcomes of Left‐Sided Valvular Heart Disease Associated With Chronic Kidney Disease. Journal Of The American Heart Association 2017, 6: e006044. PMID: 29021274, PMCID: PMC5721834, DOI: 10.1161/jaha.117.006044.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAged, 80 and overAortic ValveAortic Valve StenosisComorbidityDatabases, FactualEchocardiographyFemaleGlomerular Filtration RateHumansKaplan-Meier EstimateKidneyMaleMiddle AgedMitral ValveMitral Valve InsufficiencyNorth CarolinaPrevalencePrognosisProportional Hazards ModelsRenal Insufficiency, ChronicRetrospective StudiesRisk FactorsSeverity of Illness IndexSex FactorsTime FactorsConceptsChronic kidney diseaseFive-year survival estimatesNon-CKD patientsCKD patientsMitral regurgitationMR severityKidney diseaseSurvival estimatesCoronary artery bypassGlomerular filtration ratePercutaneous coronary interventionSevere mitral regurgitationValvular heart diseaseSerum creatinine valuesAdverse prognostic markerRegurgitant valve lesionsIndex echocardiogramSevere ASArtery bypassIntervention patientsValve lesionsValve surgeryCoronary interventionHazard ratioHeart failureMeasures of Ventricular-Arterial Coupling and Incident Heart Failure With Preserved Ejection Fraction: A Matched Case-Control Analysis
Lekavich CL, Barksdale DJ, Wu JR, Neelon V, Crandell J, Velazquez EJ. Measures of Ventricular-Arterial Coupling and Incident Heart Failure With Preserved Ejection Fraction: A Matched Case-Control Analysis. Journal Of Cardiac Failure 2017, 23: 659-665. PMID: 28716687, PMCID: PMC5585062, DOI: 10.1016/j.cardfail.2017.07.395.Peer-Reviewed Original ResearchConceptsVentricular-arterial couplingControl groupEchocardiographic markersEjection fractionHeart failureControl subjectsCase groupHigher oddsConditional logistic regression analysisMatched Case-Control AnalysisDate of echocardiographyIncident heart failureConditional logistic regressionLogistic regression analysisCase-control analysisTimes higher oddsIncident HFpEFAtrial diameterTransthoracic echocardiogramProspective studyStudy cohortMortality implicationsUse of EESHFpEFVentricular elastanceLeft ventricular global longitudinal strain in patients with heart failure with preserved ejection fraction: outcomes following an acute heart failure hospitalization
Buggey J, Alenezi F, Yoon HJ, Phelan M, DeVore AD, Khouri MG, Schulte PJ, Velazquez EJ. Left ventricular global longitudinal strain in patients with heart failure with preserved ejection fraction: outcomes following an acute heart failure hospitalization. ESC Heart Failure 2017, 4: 432-439. PMID: 29154416, PMCID: PMC5695196, DOI: 10.1002/ehf2.12159.Peer-Reviewed Original ResearchConceptsAcute heart failure hospitalizationVentricular global longitudinal strainAbnormal LV-GLSLV-GLSHeart failure hospitalizationGlobal longitudinal strainAcute HFpEFFailure hospitalizationEjection fractionHeart failureLongitudinal strainCox proportional hazards modelDuke University Medical CenterComposite of mortalityMedian LV-GLSWorse LV-GLSChronic heart failureWorse clinical outcomesMyocardial systolic dysfunctionSpeckle-tracking analysisProportional hazards modelUniversity Medical CenterMultivariable adjustmentSystolic dysfunctionBaseline characteristicsImpaired 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
2015
Temporal Trends in Disease Severity and Predicted Surgical Risk at the Time of Referral for Echocardiography in Patients Diagnosed with Aortic Stenosis
Ersboll M, Samad Z, Al Enezi F, Kisslo J, Schulte PJ, Shaw LK, Køber L, Harrison JK, Bashore T, Brennan M, Velazquez EJ. Temporal Trends in Disease Severity and Predicted Surgical Risk at the Time of Referral for Echocardiography in Patients Diagnosed with Aortic Stenosis. Critical Pathways In Cardiology A Journal Of Evidence-Based Medicine 2015, 14: 103-109. PMID: 26214813, DOI: 10.1097/hpc.0000000000000048.Peer-Reviewed Original ResearchConceptsSevere aortic stenosisProportion of patientsAortic stenosisSurgical riskHigh-risk aortic valve replacementDisease severityHealth care resource planningAortic valve replacementCalcific aortic stenosisHeart valve surgeryTime of referralTertiary hospital centerNumber of patientsNative aortic valveDuke University HospitalLogistic EuroSCOREValve surgeryValve replacementMedian ageReferral patternsUniversity HospitalAortic valveHospital CenterPatientsReferralInfluence of QRS infarct score and QRS duration prior to transcatheter aortic valve replacement on follow-up left ventricular end systolic volume in patients with new persistent left bundle branch block
Hannink LG, Wagner GS, Kisslo J, Alenezi FA, Shaw LK, Hofmann P, Zusterzeel R, Phelan M, Velazquez EJ, Gorgels AP. Influence of QRS infarct score and QRS duration prior to transcatheter aortic valve replacement on follow-up left ventricular end systolic volume in patients with new persistent left bundle branch block. Journal Of Electrocardiology 2015, 48: 637-642. PMID: 25959263, DOI: 10.1016/j.jelectrocard.2015.04.010.Peer-Reviewed Original ResearchMeSH KeywordsAged, 80 and overAortic Valve StenosisBundle-Branch BlockDiagnosis, Computer-AssistedEchocardiographyElectrocardiographyFemaleFollow-Up StudiesHumansMalePrognosisReproducibility of ResultsRetrospective StudiesRisk AssessmentSensitivity and SpecificityStroke VolumeTranscatheter Aortic Valve ReplacementTreatment OutcomeConceptsLeft bundle branch blockTranscatheter aortic valve replacementPersistent left bundle branch blockVentricular end-systolic volumeAortic valve replacementBundle branch blockEnd-systolic volumeQRS durationInfarct scoreValve replacementVentricular functionBranch blockNew-onset left bundle branch blockLeft ventricular end-systolic volumeNew left bundle branch blockLeft ventricular functionLarger study populationStrict inclusion criteriaSuch predictive valueQRS scoreSystolic volumeInclusion criteriaStudy populationCardiac conditionsPredictive value
2014
Predictors and Progression of Aortic Stenosis in Patients With Preserved Left Ventricular Ejection Fraction
Ersboll M, Schulte PJ, Al Enezi F, Shaw L, Køber L, Kisslo J, Siddiqui I, Piccini J, Glower D, Harrison JK, Bashore T, Risum N, Jollis JG, Velazquez EJ, Samad Z. Predictors and Progression of Aortic Stenosis in Patients With Preserved Left Ventricular Ejection Fraction. The American Journal Of Cardiology 2014, 115: 86-92. PMID: 25456876, DOI: 10.1016/j.amjcard.2014.09.049.Peer-Reviewed Original ResearchConceptsModerate aortic stenosisAortic stenosisMild aortic stenosisVentricular ejection fractionMean gradientHemodynamic progressionEjection fractionClinical variablesLeft ventricular ejection fractionSevere aortic stenosisBaseline clinical variablesSubset of patientsRate of progressionEchocardiographic surveillanceRenal dysfunctionUnselected cohortAccelerated progressionLongitudinal linear regression modelsCurrent guidelinesDisease progressionRetrospective analysisPatientsSignificant interactionProgressionBaselineFactors Associated With Isolated Right Heart Failure in Women A Pilot Study From Western Kenya
Lagat DK, DeLong AK, Wellenius GA, Carter EJ, Bloomfield GS, Velazquez EJ, Hogan J, Kimaiyo S, Sherman CB. Factors Associated With Isolated Right Heart Failure in Women A Pilot Study From Western Kenya. Global Heart 2014, 9: 249-254. PMID: 25667096, PMCID: PMC4405788, DOI: 10.1016/j.gheart.2014.04.003.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overCase-Control StudiesFemaleHeart FailureHumansKenyaMiddle AgedPilot ProjectsRisk FactorsConceptsRight heart failureOccupational dust exposureAirflow limitationHeart failureControl subjectsIndoor air pollutionDust exposureIsolated right heart failureHuman immunodeficiency virus (HIV) testingPilot studySmall observational studiesCase-control studyKitchen ventilationSpecific environmental exposuresWestern KenyaSurrogate measureA Pilot StudyAnalysis of subgroupsSmoke exposure timeExpiratory volumeHIV positivityReferral hospitalWalk testOccupational dustThromboembolic diseaseBlood pressure level impacts risk of death among HIV seropositive adults in Kenya: a retrospective analysis of electronic health records
Bloomfield GS, Hogan JW, Keter A, Holland TL, Sang E, Kimaiyo S, Velazquez EJ. Blood pressure level impacts risk of death among HIV seropositive adults in Kenya: a retrospective analysis of electronic health records. BMC Infectious Diseases 2014, 14: 284. PMID: 24886474, PMCID: PMC4046023, DOI: 10.1186/1471-2334-14-284.Peer-Reviewed Original ResearchConceptsSystolic blood pressureLower blood pressureHigher systolic blood pressureCardiovascular risk factorsBlood pressure levelsBlood pressureHigh blood pressureHigher mortality riskMortality rateHazard ratioRisk factorsIncidence rateRetrospective analysisMortality riskLarge HIV treatment programHuman immunodeficiency virus (HIV) infectionNormal systolic blood pressureProportional hazards regression modelsCox proportional hazards modelAdvanced HIV diseaseNon-communicable causeHIV-seropositive individualsHIV-seropositive adultsImmunodeficiency virus infectionHIV treatment programs
2013
Low-Dose Dopamine or Low-Dose Nesiritide in Acute Heart Failure With Renal Dysfunction: The ROSE Acute Heart Failure Randomized Trial
Chen HH, Anstrom KJ, Givertz MM, Stevenson LW, Semigran MJ, Goldsmith SR, Bart B, Bull DA, Stehlik J, LeWinter MM, Konstam MA, Huggins GS, Rouleau JL, O'Meara E, Tang WH, Starling RC, Butler J, Deswal A, Felker GM, O'Connor CM, Bonita RE, Margulies KB, Cappola TP, Ofili EO, Mann DL, Dávila-Román VG, McNulty SE, Borlaug BA, Velazquez EJ, Lee KL, Shah MR, Hernandez AF, Braunwald E, Redfield MM. Low-Dose Dopamine or Low-Dose Nesiritide in Acute Heart Failure With Renal Dysfunction: The ROSE Acute Heart Failure Randomized Trial. JAMA 2013, 310: 2533-2543. PMID: 24247300, PMCID: PMC3934929, DOI: 10.1001/jama.2013.282190.Peer-Reviewed Original ResearchConceptsLow-dose dopamineAcute heart failureCumulative urine volumeRenal dysfunctionCystatin C levelsHeart failureRenal functionUrine volumeDiuretic therapyPlacebo-controlled clinical trialEnd pointPooled placebo groupCoprimary end pointsSecondary end pointsHours of admissionC levelsSerum cystatin CDose dopaminePlacebo groupActive treatmentClinical outcomesRandomized trialsClinical trialsCystatin CMAIN OUTCOME
2011
Hypertension and Obesity as Cardiovascular Risk Factors among HIV Seropositive Patients in Western Kenya
Bloomfield GS, Hogan JW, Keter A, Sang E, Carter EJ, Velazquez EJ, Kimaiyo S. Hypertension and Obesity as Cardiovascular Risk Factors among HIV Seropositive Patients in Western Kenya. PLOS ONE 2011, 6: e22288. PMID: 21779407, PMCID: PMC3136516, DOI: 10.1371/journal.pone.0022288.Peer-Reviewed Original ResearchConceptsPrevalence of hypertensionOverweight/obesityLarge HIV treatment programCardiovascular risk factorsHIV treatment programsLogistic regression analysisRisk factorsSystolic/diastolic blood pressureAssociated cardiovascular risk factorsTreatment programMultiple logistic regression analysisHIV-seropositive individualsHIV-seropositive patientsDiastolic blood pressureOverweight/obesePrevalence of HIVPercent of menAge categoriesOrdinal logistic regression analysisRegression analysisHigher age categoriesElectronic medical recordsWestern KenyaCD4 countSeropositive patientsCircumstances and Outcomes of Sudden Unexpected Death in Patients With High-Risk Myocardial Infarction
Ye S, Grunnert M, Thune JJ, Stephenson KM, Uno H, Finn PV, McMurray JJ, Velazquez EJ, Califf R, Pfeffer MA, Solomon SD. Circumstances and Outcomes of Sudden Unexpected Death in Patients With High-Risk Myocardial Infarction. Circulation 2011, 123: 2674-2680. PMID: 21606398, DOI: 10.1161/circulationaha.110.990655.Peer-Reviewed Original ResearchConceptsHigh-risk myocardial infarctionSudden deathMyocardial infarctionHospital eventsVentricular tachycardia/ventricular fibrillationPrevention of SDSD eventsLong-term mortalityMajority of patientsSudden unexpected deathInitial ECG rhythmCatastrophic complicationUnwitnessed arrestsUnexpected deathVentricular fibrillationTrial trialsPatientsInfarctionECG rhythmDeathPreventionHigher proportionHome eventsArrestSource documentation
2010
Pathogenesis of Sudden Unexpected Death in a Clinical Trial of Patients With Myocardial Infarction and Left Ventricular Dysfunction, Heart Failure, or Both
Pouleur AC, Barkoudah E, Uno H, Skali H, Finn PV, Zelenkofske SL, Belenkov YN, Mareev V, Velazquez EJ, Rouleau JL, Maggioni AP, Køber L, Califf RM, McMurray JJ, Pfeffer MA, Solomon SD. Pathogenesis of Sudden Unexpected Death in a Clinical Trial of Patients With Myocardial Infarction and Left Ventricular Dysfunction, Heart Failure, or Both. Circulation 2010, 122: 597-602. PMID: 20660803, DOI: 10.1161/circulationaha.110.940619.Peer-Reviewed Original ResearchConceptsSudden unexpected deathRecurrent MISudden deathArrhythmic deathAutopsy recordsUnexpected deathAcute Myocardial Infarction trialImplantable cardioverter-defibrillator therapyEarly post-myocardial infarction periodPost-myocardial infarction periodMyocardial Infarction trialCardioverter-defibrillator therapySudden death eventsIndex MILack of benefitSeries of casesCardiovascular causesNoncardiovascular causesVentricular dysfunctionAcute MICardiac ruptureHeart failureAutopsy evidenceClinical groundsAutopsy findings
2008
Improvements in Signs and Symptoms During Hospitalization for Acute Heart Failure Follow Different Patterns and Depend on the Measurement Scales Used: An International, Prospective Registry to Evaluate the Evolution of Measures of Disease Severity in Acute Heart Failure (MEASURE-AHF)
Allen LA, Metra M, Milo-Cotter O, Filippatos G, Reisin LH, Bensimhon DR, Gronda EG, Colombo P, Felker GM, Dei L, Kremastinos DT, O'connor CM, Cotter G, Davison BA, Dittrich HC, Velazquez EJ. Improvements in Signs and Symptoms During Hospitalization for Acute Heart Failure Follow Different Patterns and Depend on the Measurement Scales Used: An International, Prospective Registry to Evaluate the Evolution of Measures of Disease Severity in Acute Heart Failure (MEASURE-AHF). Journal Of Cardiac Failure 2008, 14: 777-784. PMID: 18995183, PMCID: PMC3961584, DOI: 10.1016/j.cardfail.2008.07.188.Peer-Reviewed Original ResearchConceptsAcute heart failureHeart failurePatient-reported dyspneaProspective international cohortSymptoms of dyspneaPatient-reported symptomsVisual analog scaleMultiple clinical measuresAHF episodeAHF therapiesProspective registryEjection fractionPhysician assessmentAnalog scaleMean ageVAS measuresInternational cohortClinical measuresDyspneaPhysical signsDischarge decisionsDisease severitySymptomsDifferent patternsHospitalization
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 outcomesLetter by Bourque et al Regarding Article, “Changing Incidence and Survival for Heart Failure in a Well-Defined Older Population, 1970–1974 and 1990–1994”
Bourque JM, O’Connor C, Velazquez EJ. Letter by Bourque et al Regarding Article, “Changing Incidence and Survival for Heart Failure in a Well-Defined Older Population, 1970–1974 and 1990–1994”. Circulation 2006, 114: e255-e255. PMID: 16908779, DOI: 10.1161/circulationaha.106.632786.Peer-Reviewed Original Research