2017
Improving on the diagnostic characteristics of echocardiography for pulmonary hypertension
Broderick-Forsgren K, Davenport CA, Sivak JA, Hargett CW, Foster MC, Monteagudo A, Armour A, Rajagopal S, Arges K, Velazquez EJ, Samad Z. Improving on the diagnostic characteristics of echocardiography for pulmonary hypertension. The International Journal Of Cardiovascular Imaging 2017, 33: 1341-1349. PMID: 28337558, DOI: 10.1007/s10554-017-1114-2.Peer-Reviewed Original ResearchMeSH KeywordsArea Under CurveCardiac CatheterizationEchocardiographyHumansHypertension, PulmonaryHypertrophy, Right VentricularModels, CardiovascularPredictive Value of TestsPulmonary ArteryReproducibility of ResultsRetrospective StudiesROC CurveVentricular Dysfunction, RightVentricular Function, RightVentricular PressureConceptsValue of echoRight heart catheterizationPulmonary hypertensionComplex congenital heart diseaseRight heart parametersEcho parametersCongenital heart diseaseVentricular assist deviceDiagnostic characteristicsTime of studyLower RVSPPA enlargementRV dysfunctionRV enlargementEchocardiographic parametersHeart catheterizationHeart transplantationAdult patientsProspective cohortMechanical ventilationRetrospective studyHeart diseaseAssist deviceRVSPScreening test
2014
Platelet aggregation and mental stress induced myocardial ischemia: Results from the Responses of Myocardial Ischemia to Escitalopram Treatment (REMIT) study
Jiang W, Boyle SH, Ortel TL, Samad Z, Velazquez EJ, Harrison RW, Wilson J, Kuhn C, Williams RB, O’Connor C, Becker RC. Platelet aggregation and mental stress induced myocardial ischemia: Results from the Responses of Myocardial Ischemia to Escitalopram Treatment (REMIT) study. American Heart Journal 2014, 169: 496-507.e1. PMID: 25819856, PMCID: PMC4382806, DOI: 10.1016/j.ahj.2014.12.002.Peer-Reviewed Original ResearchConceptsMental stress-induced myocardial ischemiaIschemic heart diseaseSerotonin transporter expressionMyocardial ischemiaPlatelet aggregationPlatelet hyperactivityNormal left ventricular responseStable ischemic heart diseaseStress-induced myocardial ischemiaMental stressTransporter expressionAcute coronary syndromeLeft ventricular responseMental stress testMental stress testingCombination of serotoninEligible patientsCardiovascular eventsCardiovascular prognosisCoronary syndromeVentricular responsePlatelet activityHeart diseaseTreatment studiesIschemia
2012
Mechanisms and Predictors of Mitral Regurgitation after High-Risk Myocardial Infarction
Meris A, Amigoni M, Verma A, Thune JJ, Køber L, Velazquez E, McMurray JJ, Pfeffer MA, Califf R, Levine RA, Solomon SD, Investigators V. Mechanisms and Predictors of Mitral Regurgitation after High-Risk Myocardial Infarction. Journal Of The American Society Of Echocardiography 2012, 25: 535-542. PMID: 22305962, PMCID: PMC3501447, DOI: 10.1016/j.echo.2012.01.006.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAngiotensin-Converting Enzyme InhibitorsCaptoprilDisease ProgressionEchocardiography, Doppler, ColorElectrocardiographyFemaleFollow-Up StudiesHumansMaleMiddle AgedMitral Valve InsufficiencyMonitoring, PhysiologicMultivariate AnalysisMyocardial InfarctionPredictive Value of TestsProspective StudiesReference ValuesReproducibility of ResultsRisk AssessmentROC CurveSeverity of Illness IndexSex FactorsStatistics, NonparametricStroke VolumeTetrazolesTime FactorsValineValsartanVentricular Dysfunction, LeftVentricular RemodelingConceptsHigh-risk myocardial infarctionBaseline mitral regurgitationMitral regurgitationMyocardial infarctionAtrial sizeIndependent predictorsCoaptation depthProgression of MRMitral valve deformationStructural valve diseaseSevere mitral regurgitationFunctional mitral regurgitationIschemic mitral regurgitationGood-quality echocardiogramsMitral annular areaMitral tentingMR degreeLV dysfunctionTenting areaBaseline characteristicsDiastolic functionHeart failureValve diseaseLV remodelingVentricular remodeling
2011
Incremental value of echocardiographic assessment beyond clinical evaluation for prediction of death and development of heart failure after high-risk myocardial infarction
Verma A, Pfeffer MA, Skali H, Rouleau J, Maggioni A, McMurray JJ, Califf RM, Velazquez EJ, Solomon SD. Incremental value of echocardiographic assessment beyond clinical evaluation for prediction of death and development of heart failure after high-risk myocardial infarction. American Heart Journal 2011, 161: 1156-1162. PMID: 21641363, DOI: 10.1016/j.ahj.2011.03.024.Peer-Reviewed Original ResearchConceptsLV ejection fractionHigh-risk myocardial infarctionOutcome of deathHeart failureEchocardiographic measuresMyocardial infarctionEchocardiographic assessmentEjection fractionPrognostic valueClinical variablesClinical assessmentPredictive valueRight ventricular fractional area changeMultivariable proportional hazards modelsVentricular fractional area changeLeft ventricular ejection fractionMinimal prognostic valueAtrial volume indexIncremental prognostic valuePredictors of deathVentricular mass indexVentricular ejection fractionLeft ventricular functionPrediction of deathImportant prognostic information
2006
Predicting significant coronary artery disease in patients with left ventricular dysfunction
Whellan DJ, Tuttle RH, Velazquez EJ, Shaw LK, Jollis JG, Ellis W, O'Connor CM, Califf RM, Borges-Neto S. Predicting significant coronary artery disease in patients with left ventricular dysfunction. American Heart Journal 2006, 152: 340-347. PMID: 16875920, DOI: 10.1016/j.ahj.2005.12.001.Peer-Reviewed Original ResearchConceptsSignificant coronary artery diseaseCoronary artery diseaseSegmental wall motion abnormalitiesLeft ventricular dysfunctionWall motion abnormalitiesEjection functionCardiac catheterizationVentricular dysfunctionArtery diseaseMedian ageMotion abnormalitiesLikelihood of CADAccurate baseline assessmentPatients' median ageMajor epicardial vesselsDiagnostic cardiac catheterizationNumber of patientsUnnecessary invasive proceduresStepwise logistic regressionClinical characteristicsEchocardiographic parametersPrevalent comorbiditiesDuke DatabankHeart failureDiabetes mellitus