2020
Implications of Abnormal Exercise Electrocardiography With Normal Stress Echocardiography
Daubert MA, Sivak J, Dunning A, Douglas PS, Coyne B, Wang TY, Mark DB, Velazquez EJ. Implications of Abnormal Exercise Electrocardiography With Normal Stress Echocardiography. JAMA Internal Medicine 2020, 180: 494-502. PMID: 31985749, PMCID: PMC6990669, DOI: 10.1001/jamainternmed.2019.6958.Peer-Reviewed Original ResearchConceptsNormal stress echocardiographyComposite end pointStress echoExercise electrocardiographyStress echocardiographyMyocardial infarctionDownstream testingEnd pointDuke University Medical CenterExercise stress echoNegative exercise ECGStress ECG findingsAdverse cardiac eventsIncremental prognostic valueObservational cohort studyAdverse clinical eventsCoronary artery diseaseIndividual adverse eventsPopulation of patientsUniversity Medical CenterImaging resultsCoronary revascularizationAdverse eventsCardiac eventsCohort study
2019
High-Density Lipoprotein Particle Subfractions in Heart Failure With Preserved or Reduced Ejection Fraction
Hunter WG, McGarrah RW, Kelly JP, Khouri MG, Craig DM, Haynes C, Felker GM, Hernandez AF, Velazquez EJ, Kraus WE, Shah SH. High-Density Lipoprotein Particle Subfractions in Heart Failure With Preserved or Reduced Ejection Fraction. Journal Of The American College Of Cardiology 2019, 73: 177-186. PMID: 30654890, DOI: 10.1016/j.jacc.2018.10.059.Peer-Reviewed Original ResearchConceptsLipoprotein particle subfractionsHeart failureEjection fractionTotal HDLSmall HDLMajor adverse cardiac eventsVentricular end-diastolic pressureHDL-P sizeAdverse cardiac eventsReduced ejection fractionEnd-diastolic pressureCox proportional hazardsStrict inclusion criteriaCATHGEN biorepositoryDiastolic dysfunctionAdverse eventsCardiac eventsSequential patientsCardiac catheterizationEndothelial functionMultivariable analysisPrognostic utilityAdverse outcomesClinical covariatesHFpEF
2011
Utility of a Simple Algorithm to Grade Diastolic Dysfunction and Predict Outcome After Coronary Artery Bypass Graft Surgery
Swaminathan M, Nicoara A, Phillips-Bute BG, Aeschlimann N, Milano CA, Mackensen GB, Podgoreanu MV, Velazquez EJ, Stafford-Smith M, Mathew JP, Group C. Utility of a Simple Algorithm to Grade Diastolic Dysfunction and Predict Outcome After Coronary Artery Bypass Graft Surgery. The Annals Of Thoracic Surgery 2011, 91: 1844-1850. PMID: 21492828, DOI: 10.1016/j.athoracsur.2011.02.008.Peer-Reviewed Original ResearchConceptsLeft ventricular diastolic dysfunctionMajor adverse cardiac eventsCoronary artery bypass graft surgeryArtery bypass graft surgeryBypass graft surgeryDiastolic dysfunctionGraft surgeryLong-term major adverse cardiac eventsCoronary artery bypass graft patientsMitral annular tissue velocityEarly flow velocityAdverse cardiac eventsVentricular diastolic dysfunctionBypass graft patientsLVDD gradeMedian followGraft patientsCardiac eventsEchocardiographic variablesCardiac surgeryCox modelingMore patientsPredicts outcomeTissue DopplerHigh incidence