2019
Echocardiographic Assessment of Right Ventricular Function and Response to Therapy in Pulmonary Arterial Hypertension
Shelburne NJ, Parikh KS, Chiswell K, Shaw LK, Sivak J, Arges K, Tomfohr J, Velazquez EJ, Kisslo J, Samad Z, Rajagopal S. Echocardiographic Assessment of Right Ventricular Function and Response to Therapy in Pulmonary Arterial Hypertension. The American Journal Of Cardiology 2019, 124: 1298-1304. PMID: 31481176, DOI: 10.1016/j.amjcard.2019.07.026.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAntihypertensive AgentsEchocardiographyExercise TestFemaleFollow-Up StudiesHeart VentriclesHumansMaleMiddle AgedNorth CarolinaPrognosisPulmonary Arterial HypertensionRetrospective StudiesSeverity of Illness IndexStroke VolumeSurvival RateVentricular Function, RightYoung AdultConceptsTricuspid annular plane systolic excursionPulmonary arterial hypertensionRV global longitudinal strainRV systolic pressureRight ventricular functionGlobal longitudinal strainArterial hypertensionSystolic pressureVentricular functionSevere pulmonary arterial hypertensionAnnular plane systolic excursionLongitudinal strainPAH-specific therapyManagement of patientsRight atrial areaMid-RVPAH therapyCause mortalityEchocardiographic parametersClinical responseEchocardiographic variablesSystolic excursionWalk distanceEchocardiographic assessmentAtrial areaGlobal 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 dysfunctionSpeckle 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 patientsEffects of a Cookstove Intervention on Cardiac Structure, Cardiac Function, and Blood Pressure in Western Kenya
Bloomfield GS, Kirwa K, Agarwal A, Eliot MN, Alenezi F, Carter EJ, Foster MC, Kimaiyo S, Lumsden R, Menya D, Mitter SS, Velazquez EJ, Vedanthan R, Wellenius GA. Effects of a Cookstove Intervention on Cardiac Structure, Cardiac Function, and Blood Pressure in Western Kenya. Journal Of The American Society Of Echocardiography 2019, 32: 427-430. PMID: 30665729, DOI: 10.1016/j.echo.2018.11.013.Peer-Reviewed Original Research
2018
Left Ventricular Global Longitudinal Strain Can Reliably Be Measured from a Single Apical Four-Chamber View in Patients with Heart Failure
Alenezi F, Ambrosy AP, Phelan M, Chiswell K, Abudaqa L, Alajmi H, Kisslo J, Velazquez EJ. Left Ventricular Global Longitudinal Strain Can Reliably Be Measured from a Single Apical Four-Chamber View in Patients with Heart Failure. Journal Of The American Society Of Echocardiography 2018, 32: 317-318. PMID: 30552031, DOI: 10.1016/j.echo.2018.10.009.Peer-Reviewed Original ResearchPredictors 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 ageDeterminants of Left Ventricular Hypertrophy and Diastolic Dysfunction in an HIV Clinical Cohort
Okeke NL, Alenezi F, Bloomfield GS, Dunning A, Clement ME, Shah SH, Naggie S, Velazquez EJ. Determinants of Left Ventricular Hypertrophy and Diastolic Dysfunction in an HIV Clinical Cohort. Journal Of Cardiac Failure 2018, 24: 496-503. PMID: 29964194, PMCID: PMC6231907, DOI: 10.1016/j.cardfail.2018.06.003.Peer-Reviewed Original ResearchConceptsLeft ventricular hypertrophyDiastolic dysfunctionTransthoracic echocardiogramVentricular hypertrophyHuman immunodeficiency virus-infected personsDuke University Medical CenterDefinite diastolic dysfunctionHIV Clinical CohortStructural myocardial abnormalitiesVirus-infected personsHuman immunodeficiency virusCells/University Medical CenterCD4 nadirsCD4 countViral suppressionPrimary outcomeImmune suppressionImmunodeficiency virusMyocardial abnormalitiesClinical cohortMedical CenterHigh riskImmune functionInfected personsThe relationship between baseline and follow-up left ventricular ejection fraction with adverse events among primary prevention ICD patients
Friedman DJ, Fudim M, Overton R, Shaw LK, Patel D, Pokorney SD, Velazquez EJ, Al-Khatib SM. The relationship between baseline and follow-up left ventricular ejection fraction with adverse events among primary prevention ICD patients. American Heart Journal 2018, 201: 17-24. PMID: 29910051, PMCID: PMC6309220, DOI: 10.1016/j.ahj.2018.03.017.Peer-Reviewed Original ResearchConceptsLeft ventricular assist devicePrimary prevention ICD patientsAppropriate ICD therapyVentricular ejection fractionImplantable cardioverter defibrillatorICD therapyICD implantationEjection fractionICD patientsMultivariable Cox proportional hazards modelsPrimary prevention implantable cardioverter defibrillatorsCo-primary study endpointsPrimary prevention ICD recipientsFollow-up left ventricular ejection fractionLeft ventricular ejection fractionCox proportional hazards modelComposite of timeLong-term followProportional hazards modelVentricular assist deviceLong-term riskBaseline LVEFLVEF improvementAdverse eventsComposite endpointRight Ventricular Longitudinal Strain Reproducibility Using Vendor-Dependent and Vendor-Independent Software
Il'Giovine ZJ, Mulder H, Chiswell K, Arges K, Tomfohr J, Hashmi A, Velazquez EJ, Kisslo JA, Samad Z, Rajagopal S. Right Ventricular Longitudinal Strain Reproducibility Using Vendor-Dependent and Vendor-Independent Software. Journal Of The American Society Of Echocardiography 2018, 31: 721-732.e5. PMID: 29525250, PMCID: PMC6825401, DOI: 10.1016/j.echo.2018.01.008.Peer-Reviewed Original ResearchConceptsVendor-independent softwarePeak systolic longitudinal strainRight ventricular functionSingle-center studySystolic longitudinal strainMulticenter clinical trialCongenital heart diseaseRepeated-measures analysisRVLS valuesPulmonary hypertensionVentricular functionVendor-specific softwareHeart diseaseClinical trialsEchocardiographic scansClinical practiceLongitudinal strainWidespread variabilityDiseaseGlobal strainDifferent ultrasound scannersEffect of scannerWide variabilityRegional strainPossible interactions
2017
On Books, Covers, and Judgments in Heart Failure ∗
Borlaug BA, Velazquez EJ. On Books, Covers, and Judgments in Heart Failure ∗. JACC Cardiovascular Imaging 2017, 11: 1747-1749. PMID: 29153569, DOI: 10.1016/j.jcmg.2017.08.021.Peer-Reviewed Original ResearchComparison 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 incidencePatientsEchocardiogramAdverse Remodeling and Reverse Remodeling After Myocardial Infarction
Bhatt AS, Ambrosy AP, Velazquez EJ. Adverse Remodeling and Reverse Remodeling After Myocardial Infarction. Current Cardiology Reports 2017, 19: 71. PMID: 28660552, DOI: 10.1007/s11886-017-0876-4.Peer-Reviewed Original ResearchMeSH KeywordsHeart FailureHeart VentriclesHumansMyocardial InfarctionStroke VolumeVentricular RemodelingConceptsAdverse LV remodelingMyocardial infarctionLV remodelingAdverse remodelingNeurohormonal regulationLeft ventricleCurrent evidence-based therapiesPost-MI heart failurePoor clinical outcomeAdverse cardiac remodelingPost-MI settingDevice-based therapiesEvidence-based therapiesNeurohormonal blockadeEarly revascularizationPathophysiological considerationsHeart failureVentricular dyssynchronyClinical outcomesEjection fractionMultiple imaging modalitiesCardiac remodelingTreatment strategiesReviewThe purposeInfarctionValue of Cardiovascular Magnetic Resonance Imaging–Derived Baseline Left Ventricular Ejection Fraction and Volumes for Precise Risk Stratification of Patients With Ischemic Cardiomyopathy: Insights From the Surgical Treatment for Ischemic Heart Failure (STICH) Trial
Pai RG, Varadarajan P, Rouleau JL, Stebbins AL, Velazquez EJ, Al-Khalidi HR, Pohost GM. Value of Cardiovascular Magnetic Resonance Imaging–Derived Baseline Left Ventricular Ejection Fraction and Volumes for Precise Risk Stratification of Patients With Ischemic Cardiomyopathy: Insights From the Surgical Treatment for Ischemic Heart Failure (STICH) Trial. JAMA Cardiology 2017, 2: 577-579. PMID: 28199489, PMCID: PMC5814980, DOI: 10.1001/jamacardio.2016.5492.Peer-Reviewed Original ResearchMeSH KeywordsAgedCardiac Surgical ProceduresCardiomyopathiesFemaleHeart FailureHeart VentriclesHumansKaplan-Meier EstimateMagnetic Resonance ImagingMagnetic Resonance Imaging, CineMaleMiddle AgedMortalityMultivariate AnalysisMyocardial IschemiaOrgan SizePlastic Surgery ProceduresRisk AssessmentStroke VolumeConceptsIschemic Heart Failure (STICH) trialCardiovascular magnetic resonance imagingHeart Failure TrialVentricular ejection fractionPrecise risk stratificationMagnetic resonance imagingEjection fractionIschemic cardiomyopathySurgical treatmentFailure TrialRisk stratificationResonance imagingPatientsCardiomyopathyBaselineTrialsLeft 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
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 likelihoodInfarctionImplantationAssociationYearsStatusICDClinical and echocardiographic predictors of mortality in acute pulmonary embolism
Dahhan T, Siddiqui I, Tapson VF, Velazquez EJ, Sun S, Davenport CA, Samad Z, Rajagopal S. Clinical and echocardiographic predictors of mortality in acute pulmonary embolism. Cardiovascular Ultrasound 2016, 14: 44. PMID: 27793158, PMCID: PMC5086059, DOI: 10.1186/s12947-016-0087-y.Peer-Reviewed Original ResearchConceptsAcute pulmonary embolismChronic obstructive pulmonary diseaseBody mass indexTricuspid annular plane systolic excursionPulmonary artery acceleration timePulmonary embolismActive malignancyEjection fractionClinical parametersMass indexNYHA class III symptomsRV myocardial performance indexAnnular plane systolic excursionLeft ventricular ejection fractionMedian body mass indexClass III symptomsFraction area changeRV Tei indexSpeckle-tracking strainOutcomes of patientsAbsence of hypertensionTroponin T levelsMyocardial performance indexObstructive pulmonary diseaseSystolic blood pressurePulmonary function and adverse cardiovascular outcomes: Can cardiac function explain the link?
Peña M, Dunning A, Schulte PJ, Durheim MT, Kussin P, Checkley W, Velazquez EJ. Pulmonary function and adverse cardiovascular outcomes: Can cardiac function explain the link? Respiratory Medicine 2016, 121: 4-12. PMID: 27888991, DOI: 10.1016/j.rmed.2016.10.009.Peer-Reviewed Original ResearchConceptsLeft ventricular ejection fractionAdverse cardiovascular eventsPulmonary functionCause mortalityCardiovascular eventsCardiac hospitalizationCardiac functionDecreased LVEFNormal left ventricular ejection fractionSingle tertiary care medical centerTertiary care medical centerCox proportional hazards modelLeft heart remodelingRight heart dysfunctionAdverse cardiovascular outcomesRight ventricular functionTertiary care centerVentricular ejection fractionVentricular internal dimensionLeft heart structuresLeft heart sizeProportional hazards modelMultivariable linear regressionDecreased FVCCardiovascular outcomesGetting to a Man's Heart through His Colon
Samsky MD, DeVore AD, Durkin M, Stout JE, Velazquez EJ, Milano CA. Getting to a Man's Heart through His Colon. Texas Heart Institute Journal 2016, 43: 168-70. PMID: 27127437, PMCID: PMC4845564, DOI: 10.14503/thij-14-4946.Peer-Reviewed Original ResearchConceptsLeft ventricular pseudoaneurysmVentricular pseudoaneurysmDor procedureVentricular apexIschemic Heart Failure (STICH) trialHeart Failure TrialCoronary artery bypassAnterior chest wallLeft ventricular apexLeft ventricular cavityDifficile bacteremiaSTICH trialArtery bypassPulsatile massTransthoracic echocardiogramDacron patchIschemic cardiomyopathySurgical explorationSurgical treatmentFailure TrialHemorrhagic shockPurulent materialThoracotomy siteChest wallPericardial spaceAn Approach to Improve the Negative Predictive Value and Clinical Utility of Transthoracic Echocardiography in Suspected Native Valve Infective Endocarditis
Sivak JA, Vora AN, Navar AM, Schulte PJ, Crowley AL, Kisslo J, Corey GR, Liao L, Wang A, Velazquez EJ, Samad Z. An Approach to Improve the Negative Predictive Value and Clinical Utility of Transthoracic Echocardiography in Suspected Native Valve Infective Endocarditis. Journal Of The American Society Of Echocardiography 2016, 29: 315-322. PMID: 26850679, PMCID: PMC6052444, DOI: 10.1016/j.echo.2015.12.009.Peer-Reviewed Original ResearchConceptsInitial transthoracic echocardiographyNative valve infective endocarditisTransthoracic echocardiographyTransesophageal echocardiographyNegative predictive valueInfective endocarditisPredictive valueNegative resultsNegative findingsNative valve endocarditisValve endocarditisClinical suspicionIntermediate riskSingle institutionTransthoracic approachCurrent guidelinesTransthoracic studyDiagnostic characteristicsRetrospective analysisClinical utilityPatientsEndocarditisEchocardiographyDiagnostic performanceGold standard