2018
Clinical 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 ageTranscatheter Aortic Valve Replacement versus Medical Management among Patients with Aortic Stenosis and Left Ventricular Systolic Dysfunction
Lowenstern A, Vora A, Dunning A, Schulte P, Vemulapalli S, Hughes G, Velazquez E, Harrison J, Samad Z. Transcatheter Aortic Valve Replacement versus Medical Management among Patients with Aortic Stenosis and Left Ventricular Systolic Dysfunction. Structural Heart 2018, 2: 388-395. DOI: 10.1080/24748706.2018.1500049.Peer-Reviewed Original ResearchTranscatheter aortic valve replacementCoronary artery bypass graftSevere aortic stenosisVentricular systolic dysfunctionAortic valve replacementAortic stenosisMedical managementSystolic dysfunctionValve replacementOutcomes of patientsArtery bypass graftVentricular ejection fractionIschemic heart diseaseCause mortalityMultivariable adjustmentRenal insufficiencyTAVR patientsTransthoracic echocardiogramEjection fractionHeart failureMedian ageBypass graftHistorical cohortTherapeutic optionsPatient populationLiraglutide and weight loss among patients with advanced heart failure and a reduced ejection fraction: insights from the FIGHT trial
Sharma A, Ambrosy AP, DeVore AD, Margulies KB, McNulty SE, Mentz RJ, Hernandez AF, Felker G, Cooper LB, Lala A, Vader J, Groake JD, Borlaug BA, Velazquez EJ. Liraglutide and weight loss among patients with advanced heart failure and a reduced ejection fraction: insights from the FIGHT trial. ESC Heart Failure 2018, 5: 1035-1043. PMID: 30120812, PMCID: PMC6300815, DOI: 10.1002/ehf2.12334.Peer-Reviewed Original ResearchConceptsWeight loss agentsHeart failureEjection fractionHF hospitalizationNew York Heart Association functional class IIIGlucagon-like peptide-1 (GLP-1) receptor antagonistHeart Failure Treatment studyWeight lossAcute HF hospitalizationEfficacy of liraglutideRecent HF hospitalizationFunctional class IIILast study visitReduced ejection fractionAdvanced heart failureCardiovascular outcome trialsMedian ejection fractionAnalysis of patientsLiraglutide useMultivariable adjustmentStudy drugObese patientsOutcome trialsMedian agePrimary outcome
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 characteristics
2016
Aortic valve surgery and survival in patients with moderate or severe aortic stenosis and left ventricular dysfunction
Samad Z, Vora AN, Dunning A, Schulte PJ, Shaw LK, Al-Enezi F, Ersboll M, McGarrah RW, Vavalle JP, Shah SH, Kisslo J, Glower D, Harrison JK, Velazquez EJ. Aortic valve surgery and survival in patients with moderate or severe aortic stenosis and left ventricular dysfunction. European Heart Journal 2016, 37: 2276-2286. PMID: 26787441, PMCID: PMC5841220, DOI: 10.1093/eurheartj/ehv701.Peer-Reviewed Original ResearchConceptsAortic valve surgerySevere aortic stenosisModerate aortic stenosisAortic stenosisValve surgeryMean gradientMultivariable Cox modelVentricular systolic dysfunctionCoronary artery bypassHigh-risk cohortCurrent practice patternsArtery bypassCause mortalityEchocardiographic databaseSystolic dysfunctionVentricular dysfunctionMultivariable adjustmentTranscatheter approachMedical therapyPractice patternsBetter survivalCABGCox modelPatientsLower mortality
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