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
Society of Thoracic Surgeons Risk Score and EuroSCORE-2 Appropriately Assess 30-Day Postoperative Mortality in the STICH Trial and a Contemporary Cohort of Patients With Left Ventricular Dysfunction Undergoing Surgical Revascularization
Bouabdallaoui N, Stevens SR, Doenst T, Petrie MC, Al-Attar N, Ali IS, Ambrosy AP, Barton AK, Cartier R, Cherniavsky A, Demondion P, Desvigne-Nickens P, Favaloro RR, Gradinac S, Heinisch P, Jain A, Jasinski M, Jouan J, Kalil RAK, Menicanti L, Michler RE, Rao V, Smith PK, Zembala M, Velazquez EJ, Al-Khalidi HR, Rouleau JL, Investigators F. Society of Thoracic Surgeons Risk Score and EuroSCORE-2 Appropriately Assess 30-Day Postoperative Mortality in the STICH Trial and a Contemporary Cohort of Patients With Left Ventricular Dysfunction Undergoing Surgical Revascularization. Circulation Heart Failure 2018, 11: e005531. PMID: 30571194, PMCID: PMC6309904, DOI: 10.1161/circheartfailure.118.005531.Peer-Reviewed Original ResearchConceptsPostoperative mortality riskCoronary artery bypassThoracic Surgeons risk scoreEuroScore 2Left ventricular dysfunctionContemporary cohortVentricular dysfunctionArtery bypassSTS scoreMortality riskRisk scoreSTICH patientsSTICH trialPostoperative mortalityUndergoing coronary artery bypassLeft ventricle ejection fractionVentricle ejection fractionGood c-statisticLow-risk scoresSurgical revascularizationSurvival benefitCardiac surgeryConsecutive patientsEjection fractionCC patientsVariability in Ejection Fraction Measured By Echocardiography, Gated Single-Photon Emission Computed Tomography, and Cardiac Magnetic Resonance in Patients With Coronary Artery Disease and Left Ventricular Dysfunction
Pellikka PA, She L, Holly TA, Lin G, Varadarajan P, Pai RG, Bonow RO, Pohost GM, Panza JA, Berman DS, Prior DL, Asch FM, Borges-Neto S, Grayburn P, Al-Khalidi HR, Miszalski-Jamka K, Desvigne-Nickens P, Lee KL, Velazquez EJ, Oh JK. Variability in Ejection Fraction Measured By Echocardiography, Gated Single-Photon Emission Computed Tomography, and Cardiac Magnetic Resonance in Patients With Coronary Artery Disease and Left Ventricular Dysfunction. JAMA Network Open 2018, 1: e181456-e181456. PMID: 30646130, PMCID: PMC6324278, DOI: 10.1001/jamanetworkopen.2018.1456.Peer-Reviewed Original ResearchConceptsLeft ventricular ejection fractionCoronary artery diseaseCardiovascular magnetic resonanceVentricular ejection fractionArtery diseaseCore laboratorySingle photon emissionVentricular dysfunctionEjection fractionBland-Altman plotsLVEF measurementsAssociation of LVEFGated single-photon emissionIschemic heart failureLeft ventricular dysfunctionSubset of patientsOptimal treatment strategyImaging modalitiesMulticenter diagnostic studyCardiac magnetic resonanceInternational multicenter studyLVEF dataMost patientsHeart failureSurgical treatmentSex Difference in Patients With Ischemic Heart Failure Undergoing Surgical Revascularization
Piña IL, Zheng Q, She L, Szwed H, Lang IM, Farsky PS, Castelvecchio S, Biernat J, Paraforos A, Kosevic D, Favaloro LE, Nicolau JC, Varadarajan P, Velazquez EJ, Pai RG, Cyrille N, Lee KL, Desvigne-Nickens P. Sex Difference in Patients With Ischemic Heart Failure Undergoing Surgical Revascularization. Circulation 2018, 137: 771-780. PMID: 29459462, PMCID: PMC5896331, DOI: 10.1161/circulationaha.117.030526.Peer-Reviewed Original ResearchConceptsIschemic left ventricular dysfunctionLeft ventricular dysfunctionCause mortalityCardiovascular mortalitySTICH trialSurgical deathsVentricular dysfunctionCardiovascular hospitalizationRisk factorsKansas City Cardiomyopathy Questionnaire overall summary scoreHigher New York Heart Association classCardiac Operative Risk Evaluation scoreCoronary artery disease risk factorsNew York Heart Association classHigher body mass indexComposite of deathCoronary artery bypassIschemic heart failureDisease risk factorsPoor prognostic factorVentricular ejection fractionCoronary artery diseaseBody mass indexLong-term outcomesOverall summary scoreSix-minute walk distance after coronary artery bypass grafting compared with medical therapy in ischaemic cardiomyopathy
Stewart RAH, Szalewska D, Stebbins A, Al-Khalidi HR, Cleland JGH, Rynkiewicz A, Drazner MH, White HD, Mark DB, Roy A, Kosevic D, Rajda M, Jasinski M, Leng CY, Tungsubutra W, Desvigne-Nickens P, Velazquez EJ, Petrie MC. Six-minute walk distance after coronary artery bypass grafting compared with medical therapy in ischaemic cardiomyopathy. Open Heart 2018, 5: e000752. PMID: 29531766, PMCID: PMC5845417, DOI: 10.1136/openhrt-2017-000752.Peer-Reviewed Original ResearchCoronary artery bypass surgeryIschemic left ventricular dysfunctionLeft ventricular dysfunctionWalk distanceVentricular dysfunctionMedical therapyMED groupFunctional capacityNew York Heart Association classSix-minute walk distanceMin walk distanceCoronary artery bypassArtery bypass surgeryVentricular ejection fractionCoronary artery diseaseArtery bypassBypass surgeryArtery diseaseAssociation classEjection fractionIschemic cardiomyopathySurgical treatmentTreatment allocationDisease trialsPatients
2017
Mental stress-induced left ventricular dysfunction and adverse outcome in ischemic heart disease patients
Sun JL, Boyle SH, Samad Z, Babyak MA, Wilson JL, Kuhn C, Becker RC, Ortel TL, Williams RB, Rogers JG, O’Connor C, Velazquez EJ, Jiang W. Mental stress-induced left ventricular dysfunction and adverse outcome in ischemic heart disease patients. European Journal Of Preventive Cardiology 2017, 24: 591-599. PMID: 28067532, PMCID: PMC6093615, DOI: 10.1177/2047487316686435.Peer-Reviewed Original ResearchMeSH KeywordsAgedCitalopramDisease-Free SurvivalFemaleHumansMaleMental HealthMiddle AgedMultivariate AnalysisMyocardial IschemiaProportional Hazards ModelsRisk AssessmentRisk FactorsSelective Serotonin Reuptake InhibitorsStress, PsychologicalStroke VolumeTime FactorsTreatment OutcomeVentricular Dysfunction, LeftVentricular Function, LeftConceptsMental stress-induced myocardial ischemiaMajor adverse cardiovascular eventsAdverse cardiovascular eventsLeft ventricular ejection fraction changeVentricular ejection fraction changeStable ischemic heart diseaseIschemic heart disease patientsLeft ventricular ejection fractionStress-induced myocardial ischemiaEjection fraction changesVentricular ejection fractionIschemic heart diseaseCardiovascular eventsHeart disease patientsMyocardial ischemiaEjection fractionStudy endpointDisease patientsHeart diseaseMental Stress–Induced Myocardial IschemiaStress-induced left ventricular dysfunctionFuture adverse cardiovascular eventsLeft ventricular dysfunctionHeart failure statusAssociation of indices
2015
Influence of Baseline Characteristics, Operative Conduct, and Postoperative Course on 30-Day Outcomes of Coronary Artery Bypass Grafting Among Patients With Left Ventricular Dysfunction
Wrobel K, Stevens SR, Jones RH, Selzman CH, Lamy A, Beaver TM, Djokovic LT, Wang N, Velazquez EJ, Sopko G, Kron IL, DiMaio JM, Michler RE, Lee KL, Yii M, Leng CY, Zembala M, Rouleau JL, Daly RC, Al-Khalidi HR. Influence of Baseline Characteristics, Operative Conduct, and Postoperative Course on 30-Day Outcomes of Coronary Artery Bypass Grafting Among Patients With Left Ventricular Dysfunction. Circulation 2015, 132: 720-730. PMID: 26304663, PMCID: PMC4551105, DOI: 10.1161/circulationaha.114.014932.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseCoronary artery bypassLeft ventricular dysfunctionVentricular dysfunctionArtery diseaseArtery bypassBaseline characteristicsMedical therapyOperative conductSevere left ventricular dysfunctionAtrial fibrillation/flutterSevere coronary artery diseaseLeft ventricular ejection fractionGreater operative riskSignificant preoperative predictorsCardiopulmonary bypass timeHigh-risk patientsIschemic heart failureSerious postoperative complicationsVentricular ejection fractionLeft ventricular sizeSurgical ventricular reconstructionGreater clinical benefitCABG populationSTICH trial
2014
Quality-of-life outcomes with coronary artery bypass graft surgery in ischemic left ventricular dysfunction: a randomized trial.
Mark DB, Knight JD, Velazquez EJ, Wasilewski J, Howlett JG, Smith PK, Spertus JA, Rajda M, Yadav R, Hamman BL, Malinowski M, Naik A, Rankin G, Harding TM, Drew LA, Desvigne-Nickens P, Anstrom KJ. Quality-of-life outcomes with coronary artery bypass graft surgery in ischemic left ventricular dysfunction: a randomized trial. Annals Of Internal Medicine 2014, 161: 392-9. PMID: 25222386, PMCID: PMC4182862, DOI: 10.7326/m13-1380.Peer-Reviewed Original ResearchConceptsIschemic left ventricular dysfunctionLeft ventricular dysfunctionCoronary artery diseaseMedical therapyVentricular dysfunctionSTICH trialArtery diseaseKansas City Cardiomyopathy Questionnaire overall summary scoreCoronary artery bypass graft surgeryGuideline-based medical therapyKansas City Cardiomyopathy QuestionnaireMultivessel coronary artery diseaseRoutine coronary artery bypassSymptomatic high-risk patientsArtery bypass graft surgeryLeft ventricular ejection fractionPrespecified secondary end pointsLife outcomesTreatment-related qualityBypass graft surgeryCoronary artery bypassMedical therapy groupSecondary end pointsHigh-risk patientsVentricular ejection fractionMetabolomics analysis reveals insights into biochemical mechanisms of mental stress-induced left ventricular dysfunction
Boyle SH, Matson WR, Velazquez EJ, Samad Z, Williams RB, Sharma S, Thomas B, Wilson JL, O’Connor C, Jiang W. Metabolomics analysis reveals insights into biochemical mechanisms of mental stress-induced left ventricular dysfunction. Metabolomics 2014, 11: 571-582. PMID: 25983674, PMCID: PMC4431771, DOI: 10.1007/s11306-014-0718-y.Peer-Reviewed Original ResearchLeft ventricular dysfunctionLeft ventricular ejection fractionMental stress-induced myocardial ischemiaStress-induced left ventricular dysfunctionNormal left ventricular responseStress-induced myocardial ischemiaCoronary heart disease patientsLeft ventricular responseVentricular ejection fractionAdult CHD patientsHeart disease patientsConventional risk indicatorsVentricular dysfunctionAdverse eventsEjection fractionStable CHDVentricular responseCHD patientsDisease patientsMyocardial ischemiaLVD groupCardiovascular conditionsMental stressorsPatientsGreater riskExtent of Coronary and Myocardial Disease and Benefit From Surgical Revascularization in LV Dysfunction
Panza JA, Velazquez EJ, She L, Smith PK, Nicolau JC, Favaloro RR, Gradinac S, Chrzanowski L, Prabhakaran D, Howlett JG, Jasinski M, Hill JA, Szwed H, Larbalestier R, Desvigne-Nickens P, Jones RH, Lee KL, Rouleau JL. Extent of Coronary and Myocardial Disease and Benefit From Surgical Revascularization in LV Dysfunction. Journal Of The American College Of Cardiology 2014, 64: 553-561. PMID: 25104523, PMCID: PMC4129547, DOI: 10.1016/j.jacc.2014.04.064.Peer-Reviewed Original ResearchConceptsCoronary artery bypass graft surgeryOptimal medical therapyCoronary artery diseaseEnd-systolic volume indexEjection fractionSurgical revascularizationIschemic cardiomyopathyMedical therapyPrognostic factorsExtensive coronary artery diseaseArtery bypass graft surgeryIschemic left ventricular dysfunctionAdvanced ischemic cardiomyopathySubsequent survival benefitBypass graft surgeryHigh operative riskLeft ventricular dysfunctionGraft surgeryLV dysfunctionRevascularization TrialVentricular dysfunctionOperative riskSurvival benefitArtery diseaseMyocardial dysfunctionMyocardial viability and impact of surgical ventricular reconstruction on outcomes of patients with severe left ventricular dysfunction undergoing coronary artery bypass surgery: Results of the Surgical Treatment for Ischemic Heart Failure trial
Holly TA, Bonow RO, Arnold JM, Oh JK, Varadarajan P, Pohost GM, Haddad H, Jones RH, Velazquez EJ, Birkenfeld B, Asch FM, Malinowski M, Barretto R, Kalil RA, Berman DS, Sun JL, Lee KL, Panza JA. Myocardial viability and impact of surgical ventricular reconstruction on outcomes of patients with severe left ventricular dysfunction undergoing coronary artery bypass surgery: Results of the Surgical Treatment for Ischemic Heart Failure trial. Journal Of Thoracic And Cardiovascular Surgery 2014, 148: 2677-2684.e1. PMID: 25152476, PMCID: PMC4250319, DOI: 10.1016/j.jtcvs.2014.06.090.Peer-Reviewed Original ResearchMeSH KeywordsAgedCardiomyopathiesCoronary Artery BypassCoronary Artery DiseaseFemaleHeart FailureHumansKaplan-Meier EstimateMaleMiddle AgedMyocardiumPlastic Surgery ProceduresPredictive Value of TestsProportional Hazards ModelsSeverity of Illness IndexTime FactorsTissue SurvivalTomography, Emission-Computed, Single-PhotonTreatment OutcomeVentricular Dysfunction, LeftVentricular Function, LeftConceptsSurgical ventricular reconstructionCoronary artery bypass graft surgeryIschemic Heart Failure (STICH) trialArtery bypass graft surgeryCoronary artery bypass surgeryBypass graft surgeryHeart Failure TrialArtery bypass surgeryLeft ventricular dysfunctionCoronary artery diseaseType of surgeryCardiac hospitalizationVentricular reconstructionVentricular dysfunctionMyocardial viabilitySurgical treatmentGraft surgeryBypass surgeryArtery diseaseFailure TrialSevere regional left ventricular dysfunctionSevere left ventricular dysfunctionRegional left ventricular dysfunctionOutcomes of patientsIschemic heart failureExercise Capacity and Mortality in Patients With Ischemic Left Ventricular Dysfunction Randomized to Coronary Artery Bypass Graft Surgery or Medical Therapy An Analysis From the STICH Trial (Surgical Treatment for Ischemic Heart Failure)
Stewart RA, Szalewska D, She L, Lee KL, Drazner MH, Lubiszewska B, Kosevic D, Ruengsakulrach P, Nicolau JC, Coutu B, Choudhary SK, Mark DB, Cleland JG, Piña IL, Velazquez EJ, Rynkiewicz A, White H. Exercise Capacity and Mortality in Patients With Ischemic Left Ventricular Dysfunction Randomized to Coronary Artery Bypass Graft Surgery or Medical Therapy An Analysis From the STICH Trial (Surgical Treatment for Ischemic Heart Failure). JACC Heart Failure 2014, 2: 335-343. PMID: 25023813, PMCID: PMC4127151, DOI: 10.1016/j.jchf.2014.02.009.Peer-Reviewed Original ResearchConceptsCoronary artery bypass graft surgeryIschemic left ventricular dysfunctionLeft ventricular dysfunctionArtery bypass graft surgeryBypass graft surgeryPoor exercise capacityExercise capacityMedical therapyVentricular dysfunctionSTICH trialGraft surgeryBetter exercise capacityWalk testMedical managementPrognostic significanceTreatment allocationPhysical activityPatientsEarly riskHigh mortalityMortalityTherapyDysfunctionSurgeryTrials
2013
Regional 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
2012
Influence of Mitral Regurgitation Repair on Survival in the Surgical Treatment for Ischemic Heart Failure Trial
Deja MA, Grayburn PA, Sun B, Rao V, She L, Krejca M, Jain AR, Chua Y, Daly R, Senni M, Mokrzycki K, Menicanti L, Oh JK, Michler R, Wróbel K, Lamy A, Velazquez EJ, Lee KL, Jones RH. Influence of Mitral Regurgitation Repair on Survival in the Surgical Treatment for Ischemic Heart Failure Trial. Circulation 2012, 125: 2639-2648. PMID: 22553307, PMCID: PMC3776601, DOI: 10.1161/circulationaha.111.072256.Peer-Reviewed Original ResearchConceptsSevere mitral regurgitationMild mitral regurgitationMitral regurgitationMitral valve repairTrace mitral regurgitationMitral surgeryMedical therapyValve repairIschemic Heart Failure (STICH) trialCoronary artery bypassHeart Failure TrialPrimary end pointLeft ventricular dysfunctionCoronary artery diseaseModerate mitral regurgitationBaseline prognostic variablesIschemic mitral regurgitationArtery bypassRandomized patientsVentricular dysfunctionHazard ratioArtery diseaseEjection fractionMedical armSurgical treatment
2011
Myocardial Viability and Survival in Ischemic Left Ventricular Dysfunction
Bonow RO, Maurer G, Lee KL, Holly TA, Binkley PF, Desvigne-Nickens P, Drozdz J, Farsky PS, Feldman AM, Doenst T, Michler RE, Berman DS, Nicolau JC, Pellikka PA, Wrobel K, Alotti N, Asch FM, Favaloro LE, She L, Velazquez EJ, Jones RH, Panza JA. Myocardial Viability and Survival in Ischemic Left Ventricular Dysfunction. New England Journal Of Medicine 2011, 364: 1617-1625. PMID: 21463153, PMCID: PMC3290901, DOI: 10.1056/nejmoa1100358.Peer-Reviewed Original ResearchMeSH KeywordsAgedCardiovascular DiseasesCombined Modality TherapyCoronary Artery BypassCoronary Artery DiseaseEchocardiography, StressFemaleFollow-Up StudiesHeart FailureHumansKaplan-Meier EstimateMaleMiddle AgedMyocardial IschemiaMyocardiumProportional Hazards ModelsStatistics, NonparametricTomography, Emission-Computed, Single-PhotonVentricular Dysfunction, LeftConceptsCoronary artery diseaseVentricular dysfunctionMedical therapyMyocardial viabilityArtery diseaseViable myocardiumSurvival benefitBaseline variablesIschemic left ventricular dysfunctionDifferential survival benefitSubstudy of patientsCoronary artery bypassLeft ventricular dysfunctionDobutamine echocardiographyUnderwent assessmentPatientsCABGDysfunctionTreatment assignmentTherapyMyocardiumDiseaseGreater likelihoodMortalityTrialsCoronary-Artery Bypass Surgery in Patients with Left Ventricular Dysfunction
Velazquez EJ, Lee KL, Deja MA, Jain A, Sopko G, Marchenko A, Ali IS, Pohost G, Gradinac S, Abraham WT, Yii M, Prabhakaran D, Szwed H, Ferrazzi P, Petrie MC, O'Connor CM, Panchavinnin P, She L, Bonow RO, Rankin GR, Jones RH, Rouleau JL. Coronary-Artery Bypass Surgery in Patients with Left Ventricular Dysfunction. New England Journal Of Medicine 2011, 364: 1607-1616. PMID: 21463150, PMCID: PMC3415273, DOI: 10.1056/nejmoa1100356.Peer-Reviewed Original ResearchConceptsMedical therapy groupCardiovascular causesCoronary artery diseaseMedical therapyCABG groupRate of deathArtery diseasePrimary outcomeMajor secondary outcomesCoronary artery bypassPrimary end pointArtery bypass surgeryLeft ventricular dysfunctionTreatment of patientsVentricular dysfunctionBypass surgerySecondary outcomesEjection fractionHeart failureCABGPatientsTherapyEnd pointHospitalizationDeathPredictors and prognostic impact of recurrent myocardial infarction in patients with left ventricular dysfunction, heart failure, or both following a first myocardial infarction
Thune JJ, Signorovitch JE, Kober L, McMurray JJ, Swedberg K, Rouleau J, Maggioni A, Velazquez E, Califf R, Pfeffer MA, Solomon SD. Predictors and prognostic impact of recurrent myocardial infarction in patients with left ventricular dysfunction, heart failure, or both following a first myocardial infarction. European Journal Of Heart Failure 2011, 13: 148-153. PMID: 21037250, DOI: 10.1093/eurjhf/hfq194.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedCaptoprilCause of DeathConfidence IntervalsDrug Therapy, CombinationFemaleFollow-Up StudiesHeart FailureHumansMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionPredictive Value of TestsPrognosisProportional Hazards ModelsRecurrenceRisk AssessmentSeverity of Illness IndexSex FactorsSurvival AnalysisTetrazolesTime FactorsValineValsartanVentricular Dysfunction, LeftConceptsRecurrent myocardial infarctionFirst myocardial infarctionRisk of deathLeft ventricular dysfunctionMyocardial infarctionVentricular dysfunctionHeart failurePrognostic impactOne-year mortalityGlomerular filtration rateEarly reinfarctionLate reinfarctionTrial cohortUnstable anginaProlong survivalMedian timeMI survivorsFiltration ratePatientsContemporary managementContemporary treatmentInfarctionMortalityReinfarctionDeath
2010
Prevalence and predictors of mechanical dyssynchrony as defined by phase analysis in patients with left ventricular dysfunction undergoing gated SPECT myocardial perfusion imaging
Samad Z, Atchley AE, Trimble MA, Sun JL, Shaw LK, Pagnanelli R, Chen J, Garcia EV, Iskandrian AE, Velazquez EJ, Borges-Neto S. Prevalence and predictors of mechanical dyssynchrony as defined by phase analysis in patients with left ventricular dysfunction undergoing gated SPECT myocardial perfusion imaging. Journal Of Nuclear Cardiology 2010, 18: 24-30. PMID: 21082299, PMCID: PMC3077282, DOI: 10.1007/s12350-010-9310-7.Peer-Reviewed Original ResearchMeSH KeywordsAgedAlgorithmsCardiac-Gated Single-Photon Emission Computer-Assisted TomographyFemaleHumansImage EnhancementImage Interpretation, Computer-AssistedIncidenceMaleMyocardial Perfusion ImagingNorth CarolinaPrevalenceReproducibility of ResultsRisk AssessmentRisk FactorsSensitivity and SpecificityVentricular Dysfunction, LeftConceptsLeft ventricular dysfunctionMechanical dyssynchronyVentricular dysfunctionIndependent predictorsBlack raceQRS durationPhase SDGated SPECT myocardial perfusionLeft ventricular ejection fractionTomography myocardial perfusion imagingStress scoresVentricular ejection fractionIschemic heart diseasePopulation of patientsMeasures of dyssynchronySPECT myocardial perfusionMyocardial perfusion imagingSingle photon emissionSignificant dyssynchronyEjection fractionEntire cohortUnivariate predictorsClinical variablesHeart diseaseMale genderMechanical 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