2022
Association Between Depressive Symptoms and Cardiac Structure and Function in a Peruvian Population
Santiago C, Peña M, Brown T, Shakil S, Januzzi J, Velazquez E, Miranda J, Rivera D, Checkley W. Association Between Depressive Symptoms and Cardiac Structure and Function in a Peruvian Population. Global Heart 2022, 17: 78. PMID: 36382157, PMCID: PMC9615600, DOI: 10.5334/gh.981.Peer-Reviewed Original ResearchMeSH KeywordsAdultCohort StudiesDepressionEchocardiographyFemaleHeart FailureHumansMaleMiddle AgedPeruConceptsSignificant depressive symptomsDepressive symptomsHeart failureCardiac structureTransthoracic echocardiographyEpidemiological Studies Depression ScaleCRONICAS Cohort StudyDiastolic relaxation velocityCause of disabilityMultivariable linear regressionNon-depressed subjectsCohort studyEchocardiographic measuresMiddle-income countriesWorse outcomesDepressive disorderDepression ScaleCardiac diseaseRelaxation velocityDepression symptomsNon-depressed participantsSymptomsPeruvian populationRelevant covariatesAdult participants
2019
Speckle Tracking Analysis of Left Ventricular Systolic Function Following Traumatic Brain Injury: A Pilot Prospective Observational Cohort Study
Krishnamoorthy V, Chaikittisilpa N, Lee J, Mackensen GB, Gibbons EF, Laskowitz D, Hernandez A, Velazquez E, Lele AV, Vavilala MS. Speckle Tracking Analysis of Left Ventricular Systolic Function Following Traumatic Brain Injury: A Pilot Prospective Observational Cohort Study. Journal Of Neurosurgical Anesthesiology 2019, 32: 156-161. PMID: 30676403, PMCID: PMC6646112, DOI: 10.1097/ana.0000000000000578.Peer-Reviewed Original ResearchConceptsLeft ventricular ejection fractionGlobal longitudinal strainTraumatic brain injuryAge/sex-matched controlsSex-matched controlsModerate-severe traumatic brain injurySystolic dysfunctionCohort studyBrain injuryMean global longitudinal strainProspective observational cohort studyObservational cohort studyProspective cohort studySubclinical myocardial dysfunctionVentricular ejection fractionSpeckle trackingSpeckle tracking analysisFirst dayMid-ventricular segmentsModerate-severe TBI patientsSystolic functionTransthoracic echocardiographyEjection fractionMyocardial dysfunctionTBI patients
2018
Impaired Recovery of Left Ventricular Function in Patients With Cardiomyopathy and Left Bundle Branch Block
Sze E, Samad Z, Dunning A, Campbell KB, Loring Z, Atwater BD, Chiswell K, Kisslo JA, Velazquez EJ, Daubert JP. Impaired Recovery of Left Ventricular Function in Patients With Cardiomyopathy and Left Bundle Branch Block. Journal Of The American College Of Cardiology 2018, 71: 306-317. PMID: 29348023, PMCID: PMC8352572, DOI: 10.1016/j.jacc.2017.11.020.Peer-Reviewed Original ResearchConceptsGuideline-directed medical therapyLeft bundle branch blockCardiac resynchronization therapyWide QRS durationBundle branch blockQRS durationLVEF improvementQRS morphologyReduced LVEFBranch blockLeft ventricular ejection fraction improvementVentricular ejection fraction improvementEjection fraction improvementMean LVEF improvementNarrow QRS durationSevere valve diseaseFirst-line therapyHeart failure hospitalizationLeft ventricular functionVentricular assist deviceBaseline electrocardiographyFailure hospitalizationCombined endpointSignificant comorbiditiesResynchronization therapy
2017
Measures 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 elastanceRace 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
Associations between positive emotional well-being and stress-induced myocardial ischemia Well-being scores predict exercise-induced ischemia
Feigal JP, Boyle SH, Samad Z, Velazquez EJ, Wilson JL, Becker RC, Williams RB, Kuhn CM, Ortel TL, Rogers JG, O'Connor CM, Jiang W. Associations between positive emotional well-being and stress-induced myocardial ischemia Well-being scores predict exercise-induced ischemia. Journal Of Psychosomatic Research 2016, 93: 14-18. PMID: 28107887, PMCID: PMC6044283, DOI: 10.1016/j.jpsychores.2016.11.012.Peer-Reviewed Original ResearchConceptsLeft ventricular ejection fractionHealth-related behaviorsMyocardial ischemiaStable ischemic heart disease patientsIschemic heart disease patientsWall motion score indexExercise-induced ischemiaTreadmill exercise testingEpidemiologic Studies Depression ScaleStress-induced ischemiaInverse correlationHeart disease patientsSignificant inverse correlationInducible ischemiaAdult patientsExercise testingIschemic responseEjection fractionDisease patientsTreatment trialsSimilar inverse correlationDepression ScaleExercise stressDepressive symptomsUnderscore areas
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 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 trialGenetic Variants Are Not Associated with Outcome in Patients with Coronary Artery Disease and Left Ventricular Dysfunction: Results of the Genetic Substudy of the Surgical Treatment for Ischemic Heart Failure (STICH) Trials
Feldman AM, She L, McNamara DM, Mann DL, Bristow MR, Maisel AS, Wagner DR, Andersson B, Chiariello L, Hayward CS, Hendry P, Parker JD, Racine N, Selzman CH, Senni M, Stepinska J, Zembala M, Rouleau J, Velazquez EJ, Lee KL. Genetic Variants Are Not Associated with Outcome in Patients with Coronary Artery Disease and Left Ventricular Dysfunction: Results of the Genetic Substudy of the Surgical Treatment for Ischemic Heart Failure (STICH) Trials. Cardiology 2015, 130: 69-81. PMID: 25592552, PMCID: PMC4367125, DOI: 10.1159/000368221.Peer-Reviewed Original ResearchConceptsIschemic Heart Failure (STICH) trialHeart Failure TrialSurgical treatmentFailure TrialGenetic substudyGenetic variantsCombination of deathCoronary artery bypassHeart failure populationCoronary artery diseaseLeft ventricular reconstructionPrognostic clinical variablesΒ2-adrenergic receptor geneReceptor geneArtery bypassVentricular dysfunctionCause mortalityMultivariable adjustmentArtery diseaseCardiovascular hospitalizationMedical therapyMultivariable analysisPrognostic significanceClinical variablesVentricular reconstruction
2013
Prediction of All-Cause Mortality and Heart Failure Admissions From Global Left Ventricular Longitudinal Strain in Patients With Acute Myocardial Infarction and Preserved Left Ventricular Ejection Fraction
Ersbøll M, Valeur N, Mogensen UM, Andersen MJ, Møller JE, Velazquez EJ, Hassager C, Søgaard P, Køber L. Prediction of All-Cause Mortality and Heart Failure Admissions From Global Left Ventricular Longitudinal Strain in Patients With Acute Myocardial Infarction and Preserved Left Ventricular Ejection Fraction. Journal Of The American College Of Cardiology 2013, 61: 2365-2373. PMID: 23563128, DOI: 10.1016/j.jacc.2013.02.061.Peer-Reviewed Original ResearchMeSH KeywordsAgedCause of DeathCohort StudiesConfidence IntervalsEchocardiography, DopplerFemaleHeart FailureHumansMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionPredictive Value of TestsPrognosisProportional Hazards ModelsProspective StudiesRisk AssessmentSeverity of Illness IndexStroke VolumeSurvival RateVentricular Dysfunction, LeftConceptsGlobal longitudinal strainHeart failure hospitalizationVentricular ejection fractionAcute myocardial infarctionMyocardial infarctionFailure hospitalizationSecondary endpointsEjection fractionHigh-risk myocardial infarctionVentricular global longitudinal strainLeft ventricular ejection fractionLongitudinal strainHeart failure admissionsPrimary composite endpointCox regression analysisHigh-risk subjectsVentricular longitudinal strainImportant prognostic informationSignificant prognostic valueAssessment of GLSParticular clinical relevanceCardiovascular deathCause mortalityPrimary endpointCardiac death
2012
Race and gender variation in the QT interval and its association with mortality in patients with coronary artery disease: Results from the Duke Databank for Cardiovascular Disease (DDCD)
Williams ES, Thomas KL, Broderick S, Shaw LK, Velazquez EJ, Al-Khatib SM, Daubert JP. Race and gender variation in the QT interval and its association with mortality in patients with coronary artery disease: Results from the Duke Databank for Cardiovascular Disease (DDCD). American Heart Journal 2012, 164: 434-441. PMID: 22980312, DOI: 10.1016/j.ahj.2012.05.024.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseCause mortalityArtery diseaseProlonged QTcRisk factorsQT intervalMortality riskLow glomerular filtration rateHigher diastolic blood pressureNative coronary artery stenosisCardiac risk factorsLow ejection fractionDiastolic blood pressureGlomerular filtration rateCoronary artery stenosisRisk of deathCardiac catheterizationCardiac eventsDuke DatabankBlood pressureEjection fractionQTc intervalQTc prolongationArtery stenosisBaseline electrocardiogram
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
2007
Mortality risk associated with ejection fraction differs across resting nuclear perfusion findings
Bourque JM, Velazquez EJ, Tuttle RH, Shaw LK, O’Connor C, Borges-Neto S. Mortality risk associated with ejection fraction differs across resting nuclear perfusion findings. Journal Of Nuclear Cardiology 2007, 14: 165-173. PMID: 17386378, DOI: 10.1016/j.nuclcard.2006.11.011.Peer-Reviewed Original ResearchConceptsMortality riskEjection fractionPrognostic informationHigher long-term mortality ratesLong-term mortality ratesPerfusion single-photon emissionVentricular ejection fractionIschemic heart diseaseLong-term outcomesProportional hazard modelingLong-term survivalSingle photon emissionCardiac catheterizationNormal LVEFRisk stratificationPerfusion findingsPatient prognosticationHeart diseaseRest scoreLVEFMyocardial perfusionMortality ratePerfusion studiesHazard modelingSignificant predictors
2006
Association of QRS duration and outcomes after myocardial infarction: the VALIANT trial
Yerra L, Anavekar N, Skali H, Zelenkofske S, Velazquez E, McMurray J, Pfeffer M, Solomon SD. Association of QRS duration and outcomes after myocardial infarction: the VALIANT trial. Heart Rhythm 2006, 3: 313-316. PMID: 16500304, DOI: 10.1016/j.hrthm.2005.11.024.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngiotensin-Converting Enzyme InhibitorsAntihypertensive AgentsCohort StudiesElectrocardiographyFemaleFollow-Up StudiesHeart VentriclesHumansMaleMiddle AgedMyocardial InfarctionPrognosisStroke VolumeSurvival RateTetrazolesTreatment OutcomeValineValsartanVentricular Dysfunction, LeftConceptsQRS durationSudden deathCV deathAdverse outcomesMyocardial infarctionPost-myocardial infarction settingUnivariate relative riskLeft ventricular dysfunctionHeart failure patientsSymptoms of HFAcute myocardial infarctionDevelopment of HFEnd-systolic volumeLarger ventricular volumesQRS duration prolongationRecurrent MICardiovascular deathInitial electrocardiogramVentricular dysfunctionAcute MIFailure patientsSystolic functionEjection fractionIndependent predictorsClinical outcomes
2005
Discovering the Full Spectrum of Cardiovascular Disease
Benjamin EJ, Jessup M, Flack JM, Krumholz HM, Liu K, Nadkarni VM, Rhoades DA, Rodriguez BL, Scott RP, Taylor MP, Velazquez EJ, Winkleby MA. Discovering the Full Spectrum of Cardiovascular Disease. Circulation 2005, 111: e124-33. PMID: 15769754, DOI: 10.1161/01.cir.0000157742.95689.65.Peer-Reviewed Original ResearchAdolescentAdultAge FactorsAgedArteriosclerosisAsianBlack or African AmericanBody Mass IndexCardiovascular DiseasesChildCohort StudiesComorbidityFemaleGlucose IntoleranceHawaiiHealth SurveysHumansIncidenceIndians, North AmericanJapanMaleMexican AmericansMiddle AgedMinority GroupsRisk FactorsSex FactorsUnited StatesWhite People
2004
Newly Diagnosed and Previously Known Diabetes Mellitus and 1-Year Outcomes of Acute Myocardial Infarction
Aguilar D, Solomon SD, Køber L, Rouleau JL, Skali H, McMurray JJ, Francis GS, Henis M, O’Connor C, Diaz R, Belenkov YN, Varshavsky S, Leimberger JD, Velazquez EJ, Califf RM, Pfeffer MA. Newly Diagnosed and Previously Known Diabetes Mellitus and 1-Year Outcomes of Acute Myocardial Infarction. Circulation 2004, 110: 1572-1578. PMID: 15364810, DOI: 10.1161/01.cir.0000142047.28024.f2.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngiotensin II Type 1 Receptor BlockersAngiotensin-Converting Enzyme InhibitorsCaptoprilCohort StudiesComorbidityDiabetes ComplicationsDiabetes MellitusDrug Therapy, CombinationFemaleFollow-Up StudiesHeart FailureHumansLife TablesMaleMedical RecordsMiddle AgedMulticenter Studies as TopicMyocardial InfarctionProportional Hazards ModelsRandomized Controlled Trials as TopicRiskStrokeTetrazolesTime FactorsTreatment OutcomeValineValsartanVentricular Dysfunction, LeftConceptsAcute myocardial infarctionMyocardial infarctionCardiovascular eventsDiabetes mellitusAdverse outcomesAcute Myocardial Infarction trialPoor long-term outcomesMajor cardiovascular eventsMyocardial Infarction trialHigh-risk patientsRisk of deathLong-term outcomesRisk of mortalityBaseline characteristicsDiabetic statusComorbid conditionsMetabolic abnormalitiesPrior diagnosisPoor prognosisNew diagnosisDiabetesPatientsMellitusOutcomesInfarctionClinical characteristics and referral pattern of patients with left ventricular dysfunction and significant coronary artery disease undergoing radionuclide imaging
Bourque JM, Velazquez EJ, Borges-Neto S, Shaw LK, Whellan DJ, O'Connor C. Clinical characteristics and referral pattern of patients with left ventricular dysfunction and significant coronary artery disease undergoing radionuclide imaging. Journal Of Nuclear Cardiology 2004, 11: 118-125. PMID: 15052242, DOI: 10.1016/j.nuclcard.2003.09.005.Peer-Reviewed Original ResearchConceptsSignificant coronary artery diseaseCoronary artery diseaseLeft ventricular dysfunctionReferral patternsLV dysfunctionVentricular dysfunctionArtery diseaseMyocardial infarctionObservational studyMyocardial perfusion imaging resultsCharlson Comorbidity IndexHeart failure symptomsCongestive heart failureLogistic regression modelingNuclear perfusionCohort patientsComorbidity indexPrior revascularizationBaseline characteristicsCatheterization resultsClinical characteristicsCardiac revascularizationEjection fractionHeart failurePerfusion testing