2023
Current Landscape and Future Directions of Coronary Revascularization in Ischemic Systolic Heart Failure: A Review
Chuy K, Velazquez E, Lansky A, Jamil Y, Ahmad Y. Current Landscape and Future Directions of Coronary Revascularization in Ischemic Systolic Heart Failure: A Review. Journal Of The Society For Cardiovascular Angiography & Interventions 2023, 2: 101197. PMID: 39131064, PMCID: PMC11307589, DOI: 10.1016/j.jscai.2023.101197.Peer-Reviewed Original ResearchIschemic systolic heart failureSystolic heart failurePercutaneous coronary interventionHeart failureMedical therapyCoronary revascularizationBenefits of PCITrials of PCILeft ventricular systolic dysfunctionPrevalence of HFBenefit of CABGContemporary medical therapyIschemic ventricular dysfunctionCoronary artery bypassVentricular systolic dysfunctionCoronary artery diseaseIschemic heart diseaseAcute cardiac careComparative clinical effectivenessUnmet clinical needRecent revascularizationArtery bypassSystolic dysfunctionVentricular dysfunctionCoronary interventionDetection 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
2022
PCI in Patients With Heart Failure: Current Evidence, Impact of Complete Revascularization, and Contemporary Techniques to Improve Outcomes
Ahmad Y, Petrie M, Jolicoeur E, Madhavan M, Velazquez E, Moses J, Lansky A, Stone G. PCI in Patients With Heart Failure: Current Evidence, Impact of Complete Revascularization, and Contemporary Techniques to Improve Outcomes. Journal Of The Society For Cardiovascular Angiography & Interventions 2022, 1: 100020. PMID: 39132568, PMCID: PMC11307477, DOI: 10.1016/j.jscai.2022.100020.Peer-Reviewed Original ResearchPercutaneous coronary interventionLeft ventricular systolic dysfunctionCoronary artery diseaseHeart failureComplete revascularizationMedical therapyClinical outcomesClinical trialsCoronary artery bypassVentricular systolic dysfunctionClinical trial evidenceHigh operative riskHigh-risk patientsMajor cardiac surgeryExtent of revascularizationMinority of patientsFuture clinical trialsArtery bypassCause mortalityPeriprocedural complicationsSystolic dysfunctionCoronary interventionOperative riskArtery diseaseCardiac surgery
2019
Percutaneous coronary intervention outcomes in patients with stable coronary disease and left ventricular systolic dysfunction
DeVore AD, Yow E, Krucoff MW, Sherwood MW, Shaw LK, Chiswell K, O'Connor CM, Ohman EM, Velazquez EJ. Percutaneous coronary intervention outcomes in patients with stable coronary disease and left ventricular systolic dysfunction. ESC Heart Failure 2019, 6: 1233-1242. PMID: 31560171, PMCID: PMC6989282, DOI: 10.1002/ehf2.12510.Peer-Reviewed Original ResearchConceptsStable coronary artery diseasePercutaneous coronary interventionCoronary artery diseaseVentricular systolic dysfunctionSevere left ventricular systolic dysfunctionLeft ventricular systolic dysfunctionSystolic dysfunctionMedical therapyCardiovascular hospitalizationAddition of PCICanadian Cardiovascular Society class IIIImpact of PCIPercutaneous coronary intervention outcomesDuke University Medical CenterComposite of mortalityPropensity-matched cohortStable coronary diseaseAcute coronary syndromeHigh-risk patientsLong-term mortalityVentricular ejection fractionCox proportional hazardsUniversity Medical CenterCause mortalityCoronary syndrome
2017
Comparison of Incidence of Left Ventricular Systolic Dysfunction Among Patients With Left Bundle Branch Block Versus Those With Normal QRS Duration
Sze E, Dunning A, Loring Z, Atwater BD, Chiswell K, Daubert JP, Kisslo JA, Mark DB, Velazquez EJ, Samad Z. Comparison of Incidence of Left Ventricular Systolic Dysfunction Among Patients With Left Bundle Branch Block Versus Those With Normal QRS Duration. The American Journal Of Cardiology 2017, 120: 1990-1997. PMID: 28958452, DOI: 10.1016/j.amjcard.2017.08.003.Peer-Reviewed Original ResearchConceptsLeft ventricular systolic dysfunctionLeft bundle branch blockVentricular systolic dysfunctionBundle branch blockEjection fractionBaseline echocardiogramSystolic dysfunctionBranch blockQRS durationRisk factorsRelative riskLeft ventricular assist deviceNarrow QRS durationCohort of patientsNormal QRS durationFinal study cohortCommon risk factorsComparison of incidenceVentricular assist deviceHeart transplantStudy cohortLBBB patientsHigh incidencePatientsEchocardiogramRace and Sex Differences in QRS Interval and Associated Outcome Among Patients with Left Ventricular Systolic Dysfunction
Randolph TC, Broderick S, Shaw LK, Chiswell K, Mentz RJ, Kutyifa V, Velazquez EJ, Gilliam FR, Thomas KL. Race and Sex Differences in QRS Interval and Associated Outcome Among Patients with Left Ventricular Systolic Dysfunction. Journal Of The American Heart Association 2017, 6: e004381. PMID: 28320746, PMCID: PMC5523998, DOI: 10.1161/jaha.116.004381.Peer-Reviewed Original ResearchConceptsQRS durationBundle branch blockWhite patientsHeart failureBlack patientsBranch blockNon-left bundle branch block morphologyLeft ventricular systolic dysfunctionMultivariable Cox regression modelsBundle branch block morphologyLeft bundle branch blockMedian QRS durationVentricular systolic dysfunctionHeart failure patientsVentricular ejection fractionShorter QRS durationCox regression modelRisk of mortalityDuke University HospitalBlack individualsSex differencesCause mortalitySystolic dysfunctionCoronary angiographyEjection fraction
2016
Coronary-Artery Bypass Surgery in Patients with Ischemic Cardiomyopathy
Velazquez EJ, Lee KL, Jones RH, Al-Khalidi HR, Hill JA, Panza JA, Michler RE, Bonow RO, Doenst T, Petrie MC, Oh JK, She L, Moore VL, Desvigne-Nickens P, Sopko G, Rouleau JL. Coronary-Artery Bypass Surgery in Patients with Ischemic Cardiomyopathy. New England Journal Of Medicine 2016, 374: 1511-1520. PMID: 27040723, PMCID: PMC4938005, DOI: 10.1056/nejmoa1602001.Peer-Reviewed Original ResearchConceptsMedical therapy groupCardiovascular causesCoronary artery diseaseMedical therapyCABG groupArtery diseaseIschemic cardiomyopathySevere left ventricular systolic dysfunctionGuideline-directed medical therapyLeft ventricular systolic dysfunctionMajor secondary outcomesCoronary artery bypassPrimary outcome eventVentricular systolic dysfunctionArtery bypass surgeryCohort of patientsRate of deathSystolic dysfunctionBypass surgeryMedian durationSecondary outcomesSurvival benefitEjection fractionHeart failurePrimary outcome
2015
Importance of Angina in Patients With Coronary Disease, Heart Failure, and Left Ventricular Systolic Dysfunction Insights From STICH
Jolicœur EM, Dunning A, Castelvecchio S, Dabrowski R, Waclawiw MA, Petrie MC, Stewart R, Jhund PS, Desvigne-Nickens P, Panza JA, Bonow RO, Sun B, San TR, Al-Khalidi HR, Rouleau JL, Velazquez EJ, Cleland JGF. Importance of Angina in Patients With Coronary Disease, Heart Failure, and Left Ventricular Systolic Dysfunction Insights From STICH. Journal Of The American College Of Cardiology 2015, 66: 2092-2100. PMID: 26541919, PMCID: PMC4655599, DOI: 10.1016/j.jacc.2015.08.882.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseLV systolic dysfunctionGreater survival benefitMedical therapySystolic dysfunctionCause mortalitySurvival benefitWorse prognosisCoronary artery bypass graft surgeryLeft ventricular systolic dysfunctionArtery bypass graft surgeryLong-term clinical outcomesGreater prognostic benefitBypass graft surgeryVentricular systolic dysfunctionEffect of CABGMultivariable CoxSTICH trialGraft surgeryPrognostic benefitArtery diseaseCoronary diseaseEjection fractionHeart failureClinical outcomesManagement and outcomes in patients with moderate or severe functional mitral regurgitation and severe left ventricular dysfunction
Samad Z, Shaw LK, Phelan M, Ersboll M, Risum N, Al-Khalidi HR, Glower DD, Milano CA, Alexander JH, O'Connor CM, Wang A, Velazquez EJ. Management and outcomes in patients with moderate or severe functional mitral regurgitation and severe left ventricular dysfunction. European Heart Journal 2015, 36: 2733-2741. PMID: 26233850, DOI: 10.1093/eurheartj/ehv343.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseSevere mitral regurgitationEvent-free survival benefitHigher event-free survivalSevere functional mitral regurgitationMV surgerySevere LV dysfunctionEvent-free survivalOutcomes of patientsMitral regurgitationFunctional mitral regurgitationIPW adjustmentSystolic dysfunctionLV dysfunctionSurvival benefitEntire cohortTreatment strategiesSevere left ventricular systolic dysfunctionCoronary artery bypass graft surgeryMultivariable Cox proportional hazards modelsSevere left ventricular dysfunctionArtery bypass graft surgeryLeft ventricular systolic dysfunctionCox proportional hazards modelIsolated MV surgerySex differences in clinical characteristics and outcomes after myocardial infarction: insights from the Valsartan in Acute Myocardial Infarction Trial (VALIANT)
Lam CS, McEntegart M, Claggett B, Liu J, Skali H, Lewis E, Køber L, Rouleau J, Velazquez E, Califf R, McMurray JJ, Pfeffer M, Solomon S. Sex differences in clinical characteristics and outcomes after myocardial infarction: insights from the Valsartan in Acute Myocardial Infarction Trial (VALIANT). European Journal Of Heart Failure 2015, 17: 301-312. PMID: 25655011, DOI: 10.1002/ejhf.238.Peer-Reviewed Original ResearchConceptsAcute Myocardial Infarction trialMyocardial Infarction trialVentricular systolic dysfunctionHeart failureMyocardial infarctionSystolic dysfunctionClinical characteristicsVentricular volumeKillip class III/IVLeft ventricular systolic dysfunctionRisk of HFClass III/IVHigher long-term riskSmaller left ventricular volumesSimilar ejection fractionLong-term mortalityPost-infarction anginaRisk of hospitalizationSubset of patientsNon-fatal outcomesLong-term riskLeft ventricular volumeAssociation of sexMore comorbiditiesCardiovascular deathRevascularization in Severe Left Ventricular Dysfunction
Velazquez EJ, Bonow RO. Revascularization in Severe Left Ventricular Dysfunction. Journal Of The American College Of Cardiology 2015, 65: 615-624. PMID: 25677320, DOI: 10.1016/j.jacc.2014.10.070.Peer-Reviewed Original ResearchConceptsLeft ventricular systolic dysfunctionVentricular systolic dysfunctionShort-term riskSurgical revascularizationSystolic dysfunctionSevere left ventricular systolic dysfunctionCoronary artery bypass graft surgeryArtery bypass graft surgeryHigh-risk patient populationBypass graft surgeryReduced ejection fractionCornerstone of treatmentHigh-risk patientsMitral valve surgerySurgical ventricular reconstructionGreater short-term riskImplantable device therapyQuality of lifeMultivessel diseaseGraft surgeryValve surgerySurgery needDevice therapyEjection fractionHeart failure
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 outcomesLV Thrombus Detection by Routine Echocardiography Insights Into Performance Characteristics Using Delayed Enhancement CMR
Weinsaft JW, Kim HW, Crowley AL, Klem I, Shenoy C, Van Assche L, Brosnan R, Shah DJ, Velazquez EJ, Parker M, Judd RM, Kim RJ. LV Thrombus Detection by Routine Echocardiography Insights Into Performance Characteristics Using Delayed Enhancement CMR. JACC Cardiovascular Imaging 2011, 4: 702-712. PMID: 21757159, PMCID: PMC3724234, DOI: 10.1016/j.jcmg.2011.03.017.Peer-Reviewed Original ResearchMeSH KeywordsAgedChi-Square DistributionContrast MediaEchocardiographyFemaleHeart DiseasesHeart VentriclesHumansMagnetic Resonance ImagingMagnetic Resonance Imaging, CineMaleMiddle AgedPredictive Value of TestsProspective StudiesRegistriesThrombosisVentricular Dysfunction, LeftVentricular Function, LeftConceptsDelayed-enhancement cardiac magnetic resonanceLeft ventricular thrombusRoutine echoPositive predictive valuePredictive valueClinical indicationsLeft ventricular systolic dysfunctionLV thrombus detectionVentricular systolic dysfunctionRoutine clinical careCardiac magnetic resonanceNegative predictive valueDiagnostic confidence scoreLVT detectionSystolic dysfunctionVentricular thrombusEmbolic eventsEnhancement CMREcho contrastMural thrombusPrimary indicationContrast useClinical carePatientsThrombus
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 increasesRacial Analysis of Patients With Myocardial Infarction Complicated by Heart Failure and/or Left Ventricular Dysfunction Treated With Valsartan, Captopril, or Both
Prisant LM, Thomas KL, Lewis EF, Huang Z, Francis GS, Weaver WD, Pfeffer MA, McMurray JJ, Califf RM, Velazquez EJ. Racial Analysis of Patients With Myocardial Infarction Complicated by Heart Failure and/or Left Ventricular Dysfunction Treated With Valsartan, Captopril, or Both. Journal Of The American College Of Cardiology 2008, 51: 1865-1871. PMID: 18466801, DOI: 10.1016/j.jacc.2007.12.050.Peer-Reviewed Original ResearchMeSH KeywordsAngiotensin II Type 1 Receptor BlockersAngiotensin-Converting Enzyme InhibitorsBiomarkersBlack or African AmericanCaptoprilFemaleHeart FailureHospitalizationHumansIncidenceMaleMiddle AgedMyocardial InfarctionRetrospective StudiesRisk FactorsSystoleTetrazolesUnited StatesValineValsartanVentricular Dysfunction, LeftWhite PeopleConceptsLeft ventricular systolic dysfunctionHeart failureAcute myocardial infarctionMyocardial infarctionBaseline characteristicsAfrican AmericansMyocardial Infarction ComplicatedAngiotensin receptor blockersCoronary risk factorsOutcomes of patientsRecurrent myocardial infarctionVentricular systolic dysfunctionSimilar clinical outcomesHF hospitalizationCardiovascular morbidityCause mortalityReceptor blockersSystolic dysfunctionVentricular dysfunctionCardiovascular mortalityWhite patientsClinical outcomesPoor outcomeVALIANT trialSubgroup analysis
2007
Amiodarone use after acute myocardial infarction complicated by heart failure and/or left ventricular dysfunction may be associated with excess mortality
Thomas KL, Al-Khatib SM, Lokhnygina Y, Solomon SD, Kober L, McMurray JJ, Califf RM, Velazquez EJ. Amiodarone use after acute myocardial infarction complicated by heart failure and/or left ventricular dysfunction may be associated with excess mortality. American Heart Journal 2007, 155: 87-93. PMID: 18082495, DOI: 10.1016/j.ahj.2007.09.010.Peer-Reviewed Original ResearchMeSH KeywordsAgedAmiodaroneCaptoprilCause of DeathDose-Response Relationship, DrugDouble-Blind MethodDrug Administration ScheduleDrug Therapy, CombinationFemaleHeart FailureHumansMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionProbabilityProportional Hazards ModelsReference ValuesRisk AssessmentSeverity of Illness IndexSurvival AnalysisTetrazolesTreatment OutcomeValineValsartanVentricular DysfunctionConceptsVentricular systolic dysfunctionAmiodarone useAcute myocardial infarctionMyocardial infarctionSystolic dysfunctionLeft ventricular systolic dysfunctionPost-acute myocardial infarctionHazard ratio 1.5Higher Killip classTrials of amiodaroneKillip classVentricular dysfunctionBaseline characteristicsCardiovascular mortalityDiabetes mellitusHeart failureMedical regimenRandomized comparisonBaseline predictorsExcess mortalityCox modelSubsequent mortalityDay 1PatientsAmiodaroneRacial Disparity in the Utilization of Implantable-Cardioverter Defibrillators Among Patients With Prior Myocardial Infarction and an Ejection Fraction of ≤35%
Thomas KL, Al-Khatib SM, Kelsey RC, Bush H, Brosius L, Velazquez EJ, Peterson ED, Gilliam FR. Racial Disparity in the Utilization of Implantable-Cardioverter Defibrillators Among Patients With Prior Myocardial Infarction and an Ejection Fraction of ≤35%. The American Journal Of Cardiology 2007, 100: 924-929. PMID: 17826371, DOI: 10.1016/j.amjcard.2007.04.024.Peer-Reviewed Original ResearchConceptsSudden cardiac deathLeft ventricular systolic dysfunctionVentricular systolic dysfunctionCardiac deathEjection fractionBlack patientsMyocardial infarctionSystolic dysfunctionWhite patientsPrimary preventionSignificant left ventricular systolic dysfunctionLower mean ejection fractionSudden cardiac death rateCardiac death rateMean ejection fractionPrior myocardial infarctionMultivariate logistic regressionImplantable cardioverter defibrillatorClinical characteristicsICD implantationICD useOverall mortalityProphylactic implantationPatient raceNational registry
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 outcomesGeographic variation in the treatment of acute myocardial infarction in the VALsartan In Acute myocardial iNfarcTion (VALIANT) trial
Reed SD, McMurray JJ, Velazquez EJ, Schulman KA, Califf RM, Kober L, Maggioni AP, Van de Werf F, White HD, Diaz R, Mareev V, Murin J, Committees and Investigators F. Geographic variation in the treatment of acute myocardial infarction in the VALsartan In Acute myocardial iNfarcTion (VALIANT) trial. American Heart Journal 2006, 152: 500-508. PMID: 16923421, DOI: 10.1016/j.ahj.2006.02.032.Peer-Reviewed Original ResearchConceptsHigh-risk patientsAcute myocardial infarctionMyocardial infarctionReperfusion therapyBaseline characteristicsVALIANT trialLeft ventricular systolic dysfunctionTime of MIAcute Myocardial Infarction trialSafety of captoprilMyocardial Infarction trialPatient baseline characteristicsUse of aspirinVentricular systolic dysfunctionProportion of patientsCare of patientsEvidence-based therapiesMultivariable regression modelsSystolic dysfunctionHeart failureTrial populationKey treatmentPatientsInternational trialInternational guidelines
2003
Valsartan, Captopril, or Both in Myocardial Infarction Complicated by Heart Failure, Left Ventricular Dysfunction, or Both
Pfeffer MA, McMurray JJ, Velazquez EJ, Rouleau JL, Køber L, Maggioni AP, Solomon SD, Swedberg K, Van de Werf F, White H, Leimberger JD, Henis M, Edwards S, Zelenkofske S, Sellers MA, Califf RM. Valsartan, Captopril, or Both in Myocardial Infarction Complicated by Heart Failure, Left Ventricular Dysfunction, or Both. New England Journal Of Medicine 2003, 349: 1893-1906. PMID: 14610160, DOI: 10.1056/nejmoa032292.Peer-Reviewed Original ResearchConceptsCaptopril groupValsartan groupMyocardial infarctionCardiovascular eventsAdverse eventsHeart failureMost drug-related adverse eventsDrug-related adverse eventsLeft ventricular systolic dysfunctionAngiotensin receptor blocker valsartanAngiotensin converting enzyme (ACE) inhibitorsEnd pointMyocardial Infarction ComplicatedNonfatal cardiovascular eventsDouble-blind trialPrimary end pointVentricular systolic dysfunctionComposite end pointLeft ventricular dysfunctionPopulation of patientsACE inhibitor captoprilAcute myocardial infarctionAdditional therapyCardiovascular morbidityRenal dysfunction