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
2018
The association between blood pressure and long-term outcomes of patients with ischaemic cardiomyopathy with and without surgical revascularization: an analysis of the STICH trial
Andersson B, She L, Tan RS, Jeemon P, Mokrzycki K, Siepe M, Romanov A, Favaloro LE, Djokovic LT, Raju PK, Betlejewski P, Racine N, Ostrzycki A, Nawarawong W, Das S, Rouleau JL, Sopko G, Lee KL, Velazquez EJ, Panza JA. The association between blood pressure and long-term outcomes of patients with ischaemic cardiomyopathy with and without surgical revascularization: an analysis of the STICH trial. European Heart Journal 2018, 39: 3464-3471. PMID: 30113633, PMCID: PMC6166135, DOI: 10.1093/eurheartj/ehy438.Peer-Reviewed Original ResearchConceptsBlood pressureCoronary artery diseaseHigh blood pressureMortality outcomesSTICH trialArtery diseaseHeart failureIschemic cardiomyopathyLandmark analysisInfluence of BPLong-term mortality outcomesBP-lowering medicationsIschemic HF patientsCoronary artery bypassOutcomes of patientsBaseline blood pressureDiastolic blood pressureLower blood pressureLong-term outcomesSystolic BP valuesCABG treatmentSurgical revascularizationArtery bypassHF patientsVentricular dysfunction
2015
Angiotensin Receptor Neprilysin Inhibition in Heart Failure: Mechanistic Action and Clinical Impact
Buggey J, Mentz RJ, DeVore AD, Velazquez EJ. Angiotensin Receptor Neprilysin Inhibition in Heart Failure: Mechanistic Action and Clinical Impact. Journal Of Cardiac Failure 2015, 21: 741-750. PMID: 26209000, DOI: 10.1016/j.cardfail.2015.07.008.Peer-Reviewed Original ResearchConceptsHeart failureNeprilysin inhibitionClinical dataClinical impactAngiotensin receptor-neprilysin inhibitionRate of angioedemaAngiotensin receptor blockersEnzyme inhibitor enalaprilMechanistic actionImproved safety profileSignificant reductionARNi LCZ696Aldosterone systemHF patientsHF severityReceptor blockersCardiorenal effectsNeprilysin inhibitorHF populationNatriuretic peptideSafety profileACE inhibitionSurrogate markerClinical trialsCommon syndrome
2008
Evaluation of mechanical dyssynchrony and myocardial perfusion using phase analysis of gated SPECT imaging in patients with left ventricular dysfunction
Trimble MA, Borges-Neto S, Honeycutt EF, Shaw LK, Pagnanelli R, Chen J, Iskandrian AE, Garcia EV, Velazquez EJ. Evaluation of mechanical dyssynchrony and myocardial perfusion using phase analysis of gated SPECT imaging in patients with left ventricular dysfunction. Journal Of Nuclear Cardiology 2008, 15: 663-670. PMID: 18761269, PMCID: PMC3048059, DOI: 10.1016/j.nuclcard.2008.06.007.Peer-Reviewed Original ResearchConceptsLeft ventricular dysfunctionMechanical dyssynchronyQRS durationPhase SDHF patientsVentricular dysfunctionPerfusion abnormalitiesMyocardial perfusionGated SPECT myocardial perfusion imagingLV phase distributionPhase analysis indicesSPECT myocardial perfusion imagingHeart failure patientsCardiac resynchronization therapyMeasures of dyssynchronyMyocardial perfusion imagingSingle photon emissionLV dysfunctionFailure patientsResynchronization therapyEjection fractionElectrical dyssynchronyMyocardial functionDyssynchronyMyocardial thickening