2019
Association between systolic ejection time and outcomes in heart failure by ejection fraction
Patel PA, Ambrosy AP, Phelan M, Alenezi F, Chiswell K, Van Dyke MK, Tomfohr J, Honarpour N, Velazquez EJ. Association between systolic ejection time and outcomes in heart failure by ejection fraction. European Journal Of Heart Failure 2019, 22: 1174-1182. PMID: 31863532, PMCID: PMC7493053, DOI: 10.1002/ejhf.1659.Peer-Reviewed Original ResearchConceptsSystolic ejection timeEjection fractionHeart failureClinical outcomesVentricular systolic ejection timeOutpatient transthoracic echocardiogramReduced ejection fractionTertiary referral centerMultivariable logistic regressionHFrEF patientsHF patientsReferral centerTransthoracic echocardiogramAmbulatory patientsHF populationEjection timeEligibility criteriaLogistic regressionPatientsOutcomesAssociationHFpEFEchocardiogram
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 incidencePatientsEchocardiogramAssessment of cardiac allograft systolic function by global longitudinal strain: From donor to recipient
DeVore AD, Alenezi F, Krishnamoorthy A, Ersboll M, Samsky MD, Schulte PJ, Patel CB, Rogers JG, Milano CA, Velazquez EJ, Khouri MG. Assessment of cardiac allograft systolic function by global longitudinal strain: From donor to recipient. Clinical Transplantation 2017, 31: e12961. PMID: 28294407, DOI: 10.1111/ctr.12961.Peer-Reviewed Original ResearchConceptsLV global longitudinal strainLeft ventricular ejection fractionGlobal longitudinal strainMedian left ventricular ejection fractionSystolic functionLongitudinal strainLV systolic dysfunctionMyocardial systolic performancePost-transplant outcomesLV systolic functionVentricular ejection fractionDonor-recipient pairsMyocardial deformation analysisAllograft dysfunctionCardiac allograftsCause hospitalizationSystolic dysfunctionPretransplant levelsEjection fractionSystolic performanceCorresponding recipientsClinical implicationsRecipientsEchocardiogramFurther studies
2004
Prognostic usefulness of left ventricular thrombus by echocardiography in dilated cardiomyopathy in predicting stroke, transient ischemic attack, and death
Crawford TC, Smith WT, Velazquez EJ, Taylor SM, Jollis JG, Kisslo J. Prognostic usefulness of left ventricular thrombus by echocardiography in dilated cardiomyopathy in predicting stroke, transient ischemic attack, and death. The American Journal Of Cardiology 2004, 93: 500-503. PMID: 14969636, DOI: 10.1016/j.amjcard.2003.10.056.Peer-Reviewed Original Research