2015
Genetic Variants Are Not Associated with Outcome in Patients with Coronary Artery Disease and Left Ventricular Dysfunction: Results of the Genetic Substudy of the Surgical Treatment for Ischemic Heart Failure (STICH) Trials
Feldman AM, She L, McNamara DM, Mann DL, Bristow MR, Maisel AS, Wagner DR, Andersson B, Chiariello L, Hayward CS, Hendry P, Parker JD, Racine N, Selzman CH, Senni M, Stepinska J, Zembala M, Rouleau J, Velazquez EJ, Lee KL. Genetic Variants Are Not Associated with Outcome in Patients with Coronary Artery Disease and Left Ventricular Dysfunction: Results of the Genetic Substudy of the Surgical Treatment for Ischemic Heart Failure (STICH) Trials. Cardiology 2015, 130: 69-81. PMID: 25592552, PMCID: PMC4367125, DOI: 10.1159/000368221.Peer-Reviewed Original ResearchConceptsIschemic Heart Failure (STICH) trialHeart Failure TrialSurgical treatmentFailure TrialGenetic substudyGenetic variantsCombination of deathCoronary artery bypassHeart failure populationCoronary artery diseaseLeft ventricular reconstructionPrognostic clinical variablesΒ2-adrenergic receptor geneReceptor geneArtery bypassVentricular dysfunctionCause mortalityMultivariable adjustmentArtery diseaseCardiovascular hospitalizationMedical therapyMultivariable analysisPrognostic significanceClinical variablesVentricular reconstruction
2014
Predictors and Progression of Aortic Stenosis in Patients With Preserved Left Ventricular Ejection Fraction
Ersboll M, Schulte PJ, Al Enezi F, Shaw L, Køber L, Kisslo J, Siddiqui I, Piccini J, Glower D, Harrison JK, Bashore T, Risum N, Jollis JG, Velazquez EJ, Samad Z. Predictors and Progression of Aortic Stenosis in Patients With Preserved Left Ventricular Ejection Fraction. The American Journal Of Cardiology 2014, 115: 86-92. PMID: 25456876, DOI: 10.1016/j.amjcard.2014.09.049.Peer-Reviewed Original ResearchConceptsModerate aortic stenosisAortic stenosisMild aortic stenosisVentricular ejection fractionMean gradientHemodynamic progressionEjection fractionClinical variablesLeft ventricular ejection fractionSevere aortic stenosisBaseline clinical variablesSubset of patientsRate of progressionEchocardiographic surveillanceRenal dysfunctionUnselected cohortAccelerated progressionLongitudinal linear regression modelsCurrent guidelinesDisease progressionRetrospective analysisPatientsSignificant interactionProgressionBaseline
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
2010
Prevalence and predictors of mechanical dyssynchrony as defined by phase analysis in patients with left ventricular dysfunction undergoing gated SPECT myocardial perfusion imaging
Samad Z, Atchley AE, Trimble MA, Sun JL, Shaw LK, Pagnanelli R, Chen J, Garcia EV, Iskandrian AE, Velazquez EJ, Borges-Neto S. Prevalence and predictors of mechanical dyssynchrony as defined by phase analysis in patients with left ventricular dysfunction undergoing gated SPECT myocardial perfusion imaging. Journal Of Nuclear Cardiology 2010, 18: 24-30. PMID: 21082299, PMCID: PMC3077282, DOI: 10.1007/s12350-010-9310-7.Peer-Reviewed Original ResearchMeSH KeywordsAgedAlgorithmsCardiac-Gated Single-Photon Emission Computer-Assisted TomographyFemaleHumansImage EnhancementImage Interpretation, Computer-AssistedIncidenceMaleMyocardial Perfusion ImagingNorth CarolinaPrevalenceReproducibility of ResultsRisk AssessmentRisk FactorsSensitivity and SpecificityVentricular Dysfunction, LeftConceptsLeft ventricular dysfunctionMechanical dyssynchronyVentricular dysfunctionIndependent predictorsBlack raceQRS durationPhase SDGated SPECT myocardial perfusionLeft ventricular ejection fractionTomography myocardial perfusion imagingStress scoresVentricular ejection fractionIschemic heart diseasePopulation of patientsMeasures of dyssynchronySPECT myocardial perfusionMyocardial perfusion imagingSingle photon emissionSignificant dyssynchronyEjection fractionEntire cohortUnivariate predictorsClinical variablesHeart diseaseMale gender