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
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 ResearchClinical Utility and Prognostic Value of Right Atrial Function in Pulmonary Hypertension
Alenezi F, Mandawat A, Il'Giovine ZJ, Shaw LK, Siddiqui I, Tapson VF, Arges K, Rivera D, Romano MMD, Velazquez EJ, Douglas PS, Samad Z, Rajagopal S. Clinical Utility and Prognostic Value of Right Atrial Function in Pulmonary Hypertension. Circulation Cardiovascular Imaging 2018, 11: e006984. PMID: 30571314, PMCID: PMC6309911, DOI: 10.1161/circimaging.117.006984.Peer-Reviewed Original ResearchConceptsPulmonary arterial hypertensionArterial hypertensionRA dysfunctionLongitudinal strainComplete echocardiographic dataResults Study subjectsRight atrial functionRight atrial enlargementComposite of timeEarly diastolic SRPeak longitudinal strainRA conduitRA reservoirMultivariable adjustmentPulmonary hypertensionAtrial functionComposite outcomeDiastolic SRAtrial enlargementAtrial sizePrimary outcomePrognostic importancePrognostic valueAdverse outcomesMean age
2017
Left 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
2014
Impaired Resting Myocardial Annular Velocities Are Independently Associated With Mental Stress–Induced Ischemia in Coronary Heart Disease
Ersbøll M, Al Enezi F, Samad Z, Sedberry B, Boyle SH, O’Connor C, Jiang W, Velazquez EJ, Investigators R. Impaired Resting Myocardial Annular Velocities Are Independently Associated With Mental Stress–Induced Ischemia in Coronary Heart Disease. JACC Cardiovascular Imaging 2014, 7: 351-361. PMID: 24631512, PMCID: PMC3992174, DOI: 10.1016/j.jcmg.2013.10.014.Peer-Reviewed Original ResearchMeSH KeywordsAgedChi-Square DistributionEchocardiography, DopplerEchocardiography, StressExercise TestFemaleHumansLogistic ModelsMaleMiddle AgedMyocardial ContractionMyocardial IschemiaOdds RatioPredictive Value of TestsRandomized Controlled Trials as TopicRisk FactorsStress, PsychologicalStroke VolumeVentricular Function, LeftConceptsMental stress-induced ischemiaStress-induced myocardial ischemiaLeft ventricular ejection fractionTissue Doppler myocardial velocitiesVentricular ejection fractionMental stress testMyocardial velocitiesMyocardial ischemiaEjection fractionHeart diseaseConventional exercise stress testingWall motion index scoreIschemic ST-segment changesMyocardial tissue Doppler velocitiesRegional wall motion abnormalitiesPreclinical cardiac dysfunctionStress-induced ischemiaCoronary artery diseaseExercise stress testingTissue Doppler velocitiesCoronary heart diseaseLate diastolic velocityST-segment changesWall motion abnormalitiesStress–Induced Ischemia
2010
Mechanical 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
2006
Epidemiology of Heart Failure and Left Ventricular Systolic Dysfunction after Acute Myocardial Infarction: Prevalence, Clinical Characteristics, and Prognostic Importance
Weir RA, McMurray JJ, Velazquez EJ. Epidemiology of Heart Failure and Left Ventricular Systolic Dysfunction after Acute Myocardial Infarction: Prevalence, Clinical Characteristics, and Prognostic Importance. The American Journal Of Cardiology 2006, 97: 13-25. PMID: 16698331, DOI: 10.1016/j.amjcard.2006.03.005.Peer-Reviewed Original ResearchMeSH KeywordsGlobal HealthHeart FailureHumansIncidenceMyocardial ContractionMyocardial InfarctionPrevalencePrognosisVentricular Dysfunction, LeftConceptsVentricular systolic dysfunctionHeart failureSystolic dysfunctionAcute myocardial infarction resultsConcomitant heart failureLong-term mortalityAcute myocardial infarctionMyocardial infarction resultsEvidence-based treatmentsAggressive treatmentClinical characteristicsInhospital deathRehospitalization ratesHospital admissionInfarction resultsPrognostic importanceMyocardial infarctionEarly initiationHigh riskSignificant riskStrongest predictorAdmissionSignificant increaseDysfunctionTreatment